Tax Deductions for Homeowners

What's Deductible? -- A to Z

Acquisition debt. See Mortgage interest.

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Boats as homes. A boat that has eating, sleeping and sanitary facilities can qualify as a first or second home, so you can deduct mortgage interest paid on the loan secured by the boat to buy it. However, if you are subject to the alternative minimum tax, this write-off is not allowed.

Cancelled debt on foreclosure or short sale. Generally, when a debt is canceled or forgiven, the borrower is considered to have received taxable income equal to the amount of the canceled debt. However, through 2012, up to $2 million of debt discharged on a mortgage on a principal residence -- in a foreclosure, for example, or short sale -- can be tax-free.

Casualty loss. If your home was damaged or destroyed -- by fire or storm, for example -- you may be able to get financial help from Uncle Sam by deducting a casualty loss on your return. Your deduction for a 2010 loss is generally the total of your unreimbursed loss reduced by $500 100 and further reduced by 10% of your adjusted gross income.

Depreciation on home. Profit due to depreciation claimed on your residence before May 7, 1997 -- because you had a home office, for example, or at one time rented out the property -- qualifies for the rule that lets you treat $250,000 of home sale profit as tax-free income. (The limit is $500,000 if you're married and file a joint return.) Profit due to depreciation after May 6, 1997, is taxed at 25%, unless you're in a lower tax bracket, in which case that rate applies.

Discharged debt. See Cancelled debt on foreclosure or short sale.

D.C. first-time homebuyer credit. If you bought a home in the nation's capital during 2010, you may be eligible for a $5,000 tax credit. It doesn't really have to be your first home ... just a home you purchased in the District of Columbia after not owning one in D.C. for at least one year. It doesn't matter if you have owned a home elsewhere. This break phases out as income exceeds $70,000 on single returns and $110,000 on married filing jointly returns. See first-time homebuyer credit. If you bought during the part of 2010 when the nationwide homebuyer credit was available (see below), you must choose between the two credits. You can’t claim both.

Energy credits. You can earn a 2009 tax credit for installing energy-saving home improvements such as new doors, new windows, energy-efficient furnaces, heat pumps, hot water heaters, air conditioners, etc. The credit is 30% of the cost of installing such energy savers, up to a top credit of $1,500. For windows and doors, the credit is based on the cost of the materials; for furnaces and air conditioners and the like, you can count the cost of installation, too. A bigger credit is available for more ambitious projects – like solar hot-water heating systems, geothermal heat pumps and, yes, even residential wind energy systems. Start generating your own power and Uncle Sam will rebate 30% of the full cost of your system…with no dollar cap.

First-time homebuyer credit. If you bought a home during the first four months of 2010, you may qualify for either an $8,000 or $6,500 home buyer credit. And, you don’t really have to be a first-time home buyer to qualify for either credit. To qualify for the $8,000 credit you (and your spouse if married) must not have owned a home in the three years leading up to the purchase of your new home. The credit is 10% of the purchase price of the home, up to a maximum credit of $8,000. No credit is allowed for homes that cost more than $800,000.

To qualify for the $6,500 credit, you must be a long-time homeowner, defined as owing and living in the same principal residence for five of the eight years leading up to the purchase of your new home. The credit is 10% of the purchase price of the home, up to a maximum credit of $6,500. No credit is allowed for homes that cost more than $800,000.

Timing is everything. To qualify for either credit, you must have signed a binding contract on your new home before May 1, 2010, and you must have closed on the deal by September 30, 2010.

Unlike a first-time home buyer credit available in 2008 – which had to be paid back over 15 years by adding $500 in each of those years to the taxpayer’s tax bill – the 2010 credit does not have to be paid back, as long as you live in the principal residence for at least three years.

First-time homebuyer credit repayment. The $7,500 first-time homebuyer credit that was available for qualifying purchases after April 8, 2008, and before January 1, 2009, must be repaid starting with your 2010 tax return. To repay this “interest-free loan”, you must add $500 each year to your tax bill until the full $7,500 is repaid. If you sell or otherwise stop using the house as your home before the credit is fully repaid, any remaining balance must be repaid with your tax return for the year of the sale.

Foreclosure. See Cancelled debt on foreclosure or short sale.

Home-equity debt. Interest on up to $100,000 of debt secured by your first or second home -- using a second mortgage, say, or home equity line of credit -- can be deducted, regardless of how the money is used. The use of home-equity debt gives homeowners an opportunity to skirt the rules that generally block the deduction of debt used to buy automobiles, for example, or pay for vacations.

Home-office deduction. You can deduct the costs of a home office that you use exclusively and regularly for business. This includes depreciation, utilities and insurance for the office portion of your home. To qualify for the tax break you must either meet with clients there regularly, or the home office must be your principal place of business (unless it is not attached to your house).

Home-sale exclusion. Up to $250,000 of profit from the sale of your home can be tax free; $500,000 if you are married an file a joint return. To qualify, you must own and live in the house for periods totaling two years out of the five years leading up to the sale. A reduced exclusion is available if you fail the two-year test due to unforeseen circumstances such as a move resulting from a job change, for example, or divorce. You can use this exclusion any number of times but no more frequently than once every two years.

IRA payouts for first-time homebuyers. You can withdraw as much as $10,000 from a traditional IRA before age 59½ without penalty if the money is used to buy the first home for yourself, a child or grandchild, or your parents or grandparents. Although the payout avoids the normal 10% early-withdrawal penalty, it is taxed. Different rules apply to tapping a Roth IRA for the purchase of a home. See Roth IRA payouts for first-time homebuyers.

Loan prepayment penalties. If your lender charges you a penalty for prepaying your mortgage early, the charge is deductible as mortgage interest.

Mortgage interest. You can deduct interest on up to $1.1 million of loans used to buy or build or improve your first or second home and secured by the property. Up to $1 million of such debt is called acquisition debt, which must be used to acquire or improve the property, and up to $100,000 more is called home equity debt, which can be used for any purpose.

Mortgage interest credit. If you received a mortgage credit certificate from a state or local governmental agency, you can claim a tax credit of up to $2,000 of mortgage interest paid.

Moving expenses. If a move is connected with taking a new job that is at least 50 miles farther from your old home than your old job was, you can deduct travel and lodging expenses for you and your family and the cost of moving your household goods. If you drive your own car, you can deduct 24 16.5 cents a mile for 2009 2010 moves. (For 20102011, the standard mileage rate for moving is 16.519 cents a mile.) If you moved to take your first job, the 50-mile test applies to the distance between your old home and your new job. The deduction is allowed even if you do not itemize deductions.

Parsonage allowance. For members of the clergy, the value of a home provided by the church is a tax-free fringe benefit. A housing allowance is also tax-free.

Points. Points you pay to get a mortgage for your principal residence are generally fully deductible in the year paid, even if you persuade the seller to pay your points for you. They are not deductible if paid as part of a refinancing a mortgage on your principal home or on a second home; in that those cases, you deduct the points over the life of the loan.

Presidentially declared disaster. If your home was damaged or destroyed in an area that the President declared a disaster area, special rules apply to the casualty loss deduction. For one thing, for 2009 losses the law waives the requirement that you reduce your loss by an amount equal to 10% of your adjusted gross income to arrive at the deduction. And, youYou may choose to deduct your loss in the year it occurred or the previous year, whichever is more advantageous. If you claim a 2010 loss on a 2009 amended return, for example, you’ll get your tax savings via a refund check from the IRS.

Property taxes. See Real estate taxes.

Real estate taxes. You can deduct state and local real estate taxes paid during the year on any number of personal residences you own. (A 2009 break that allowed homeowners who claimed If you choose to claim the standard deduction rather than itemize deductions, you canto boost their standard deduction to include some of the property tax they paid was not renewed for 2010.)add $500 if single or $1,000 if married filing jointly to the regular standard deduction amount if you paid at least that much in state and local real estate taxes. If you own rental properties, real estate taxes on them are deducted on Schedule E where you report rental income.

Real estate taxes when you buy a home. If you bought a home during the year, check to see if the seller had prepaid property taxes for a period you actually owned the home. If so, include that amount in your property tax deduction for the year . . .even if you did not reimburse the seller.

Recreational vehicle. If your RV has cooking, sleeping and sanitation facilities, interest on a loan used to buy it can qualify as deductible mortgage interest on a first or second home. If you are subject to the alternative minimum tax, interest on an RV loan is not deductible.

Refinancing points. Generally, points paid when refinancing are deducted over the term of the loan. But if you refinanced a loan that you previously refinanced, you can deduct in full the as-yet-undeducted points remaining on the prior loan. There's a catch, however: If you refinanced with the same lender, the remaining points must be amortized over the term of the new loan.

Rehabilitation credit. If your residence is certified by the government as a historic building, you can claim a tax credit for 20% of the cost of renovating it. The renovation must be substantial, and the expenses must be incurred within a 24-month period.

Reverse mortgage. Amounts received under a reverse mortgage -- either a lump sum payment or periodic payments -- are tax free. Interest that accrues on a reverse mortgage is not deductible until it is paid, and then only interest on up to $100,000 of debt can qualify.

Roth IRA payouts for first-time homebuyers. Because the rules for the Roth IRA allow you to withdraw contributions at any time without penalty, the Roth can be a powerful tool for saving for a first home. Say you and your spouse each put $5,000 a year into a Roth for five years. The entire $50,000 could be withdrawn tax- and penalty-free for a down payment and, because the accounts have been opened for at least five years, up to $10,000 of earnings can be withdrawn tax- and penalty-free if used to buy your first home.

Serial refinancers.If you refinanced in 2010 and paid off a home mortgage you acquired when refinancing to pay off an earlier mortgage, any as-yet-undeducted points on the previous refinancing may be deductible on your 2010 return. See Refinancing points.

Tax-free profit. See Home sale exclusion.

Tax-free profit on vacation home. Because you can use the home-sale exclusion repeatedly, it's possible to make profit on a vacation home tax free. If you move into the place and live there for two of the five years prior to selling it, you can qualify to claim up to $250,000 of profit tax free (up to $500,000 if you are married and file a joint return).

A recent change in the law, however, has diluted the potential value of this break. For vacation homes converted to principal residences after December 31, 2008, a portion of the gain will be taxed. The taxable part will be based on the ratio of the time after 2008 when the house was a second home or a rental to the total time you owned it.

Tax-free rental income. If you rent out your home for 14 or fewer days during the year -- when there's a major sporting event or political convention in your hometown, for example -- the rental income is tax-free, regardless of how much you make.

Vacation home. Mortgage interest on your second home is deductible, just as it is for your principal residence. Property taxes can be deducted on any number of homes. If you rent the place for 14 or fewer days during the year, the rental income is tax-free to you. If you rent it for more than 14 days a year, you must report the income, but also may claim deductions for rental expenses.

9 easy mistakes homeowners make on their taxes

Don’t rouse the IRS or pay more taxes than necessary — know the score on each home tax deduction and credit.

As you calculate your tax returns, be careful not to commit any of these nine home-related tax mistakes, which tax pros say are especially common and can cost you money or draw the IRS to your doorstep.

1. Deducting the wrong year for property taxes
You take a tax deduction for property taxes in the year you (or the holder of your escrow account) actually paid them. Some taxing authorities work a year behind — that is, you’re not billed for 2013 property taxes until 2014. But that’s irrelevant to the feds.

Enter on your federal forms whatever amount you actually paid in that tax year, no matter what the date is on your tax bill. Dave Hampton, CPA, a tax department manager at the Cincinnati accounting firm of Burke & Schindler, has seen homeowners confuse payments for different years and claim the incorrect amount.

2. Confusing escrow amount for actual taxes paid

If your lender escrows funds to pay your property taxes, don’t just deduct the amount escrowed. The regular amount you pay into your escrow account each month to cover property taxes is probably a little more or a little less than your property tax bill. Your lender will adjust the amount every year or so to realign the two.

For example, your tax bill might be $1,200, but your lender may have collected $1,100 or $1,300 in escrow over the year. Deduct only $1,200 or the amount of property taxes noted on the Form 1098 that your lender sends. If you don’t receive Form 1098, contact the agency that collects property tax to find out how much you paid.

3. Deducting points paid to refinance

Deduct points you paid your lender to secure your mortgage in full for the year you bought your home. However, when you refinance, you must deduct points over the life of your new loan.

For example, if you paid $2,000 in points to refinance into a 15-year mortgage, your tax deduction is $2,000 divided by 15 years, or $133 per year.

4. Misjudging the home office tax deduction

The deduction is complicated, often doesn’t amount to much of a deduction, has to be recaptured if you turn a profit when you sell your home, and can pique the IRS’s interest in your return.

But there’s good news. There’s a new simplified home office deduction option if you don’t want to claim actual costs. If you’re eligible, you can deduct $5 per square foot up to 300 feet of office space, or up to $1,500 per year.

5. Failing to repay the first-time homebuyer tax credit

If you used the original homebuyer tax credit in 2008, you must repay 1/15th of the credit over 15 years.

If you used the tax credit in 2009 or 2010 and then within 36 months you sold your house or stopped using it as your primary residence, you also have to pay back the credit.

The IRS has a tool you can use to help figure out what you owe.

6. Failing to track home-related expenses

If the IRS comes a-knockin’, don’t be scrambling to compile your records. File or scan and store home office and home improvement expense receipts and other home-related documents as you go.

7. Forgetting to keep track of capital gains

If you sold your main home last year, don’t forget to pay capital gains taxes on any profit. You can typically exclude $250,000 of any profits from taxes (or $500,000 if you’re married filing jointly).

So if your cost basis for your home is $100,000 (what you paid for it plus any improvements) and you sold it for $400,000, your capital gains are $300,000. If you're single, you owe taxes on $50,000 of gains.

However, there are minimum time limits for holding property to take advantage of the exclusions, and other details. Consult IRS Publication 523. And high-income earners could get hit with an additional tax.

8. Filing incorrectly for energy tax credits

If you made any eligible improvements in 2014, such as installing energy-efficient windows and doors, you may be able to take a 10% tax credit (up to $500; with some systems your cap is even lower than $500). But keep in mind, it's a lifetime credit. If you claimed the credit in any recent years, you're done.

Installing a solar electric, solar water heater, geothermal, or small wind energy system can also make you eligible to take the Residential Energy Efficient Property Credit.

To claim the deduction, you have to use the complicated Form 5695, which can mean cross-checking with half a dozen other IRS forms. Read the instructions carefully.

9. Claiming too much for the mortgage interest tax deduction

Taxpayers are allowed to deduct mortgage interest on home acquisition debt up to $1 million, plus they can also deduct up to $100,000 in home equity debt.

Tax tips for Homeowners

A huge benefit of homeownership is a variety of tax deductions that you should be aware of before you file your returns with the Internal Revenue Service. It’s important to consider each home tax deduction and credit you are entitled to, as well as avoid common tax-filing errors.

Property Tax

First, be sure to deduct the property tax expense on your return for the year you paid it. Keep in mind that it could be different than the year it was due.

Energy Upgrades

Another item to think about is whether you spent money on certain home energy-efficiency upgrades. If you did, there is a tax credit that will work in your favor (not to mention the savings you’ll enjoy on your utility bill after you’ve installed the energy upgrades).

Home Repairs

If home repairs were conducted, it’s worth noting that you can only claim deductions if part of your home is used for business or casualty losses. Be sure to discuss these types of deductions with a tax adviser so you don’t run afoul of IRS rules.

PMI

Also, if you purchased your home with a down payment of less than 20 percent and utilized Private Mortgage Insurance, then 2013 is the last year you will be able to claim the PMI deduction since Congress has allowed it to expire. Just keep in mind there are income limitations, so check with your tax advisor about whether you qualify for this deduction.

Capital Gains

Did you sell your home last year? If you made a profit, don’t forget that may you have to pay capital gains taxes on any profit. However, you can exclude $250,000 (or $500,000 if you’re a married couple) from your taxes.

MID

And of course there is the mortgage interest tax deduction. Make sure you don’t claim too much for this deduction. You are allowed to deduct home acquisition debt up to $1 million, as well as $100,000 in home equity debt.

Home Office

If your home is your primary place of business, then you could be eligible to deduct some of your home expenses, such as utilities and maintenance.

Casualty Losses

The country has suffered from a barrage of difficult weather conditions, so if disaster created property damage and destruction of your home, then you are able to deduct some losses (but be sure to carefully document your deductions with photos, receipts, and insurance claim reports). You should consult a tax adviser because filing for casualty losses can be complex, especially since your income and property value can impact the deduction, as well as depreciated values of items.

Deductions for Homeowners

What's Deductible? -- A to Z

Acquisition debt. See Mortgage interest.

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Boats as homes. A boat that has eating, sleeping and sanitary facilities can qualify as a first or second home, so you can deduct mortgage interest paid on the loan secured by the boat to buy it. However, if you are subject to the alternative minimum tax, this write-off is not allowed.

Cancelled debt on foreclosure or short sale. Generally, when a debt is canceled or forgiven, the borrower is considered to have received taxable income equal to the amount of the canceled debt. However, through 2012, up to $2 million of debt discharged on a mortgage on a principal residence -- in a foreclosure, for example, or short sale -- can be tax-free.

Casualty loss. If your home was damaged or destroyed -- by fire or storm, for example -- you may be able to get financial help from Uncle Sam by deducting a casualty loss on your return. Your deduction for a 2010 loss is generally the total of your unreimbursed loss reduced by $500 100 and further reduced by 10% of your adjusted gross income.

Depreciation on home. Profit due to depreciation claimed on your residence before May 7, 1997 -- because you had a home office, for example, or at one time rented out the property -- qualifies for the rule that lets you treat $250,000 of home sale profit as tax-free income. (The limit is $500,000 if you're married and file a joint return.) Profit due to depreciation after May 6, 1997, is taxed at 25%, unless you're in a lower tax bracket, in which case that rate applies.

Discharged debt. See Cancelled debt on foreclosure or short sale.

D.C. first-time homebuyer credit. If you bought a home in the nation's capital during 2010, you may be eligible for a $5,000 tax credit. It doesn't really have to be your first home ... just a home you purchased in the District of Columbia after not owning one in D.C. for at least one year. It doesn't matter if you have owned a home elsewhere. This break phases out as income exceeds $70,000 on single returns and $110,000 on married filing jointly returns. See first-time homebuyer credit. If you bought during the part of 2010 when the nationwide homebuyer credit was available (see below), you must choose between the two credits. You can’t claim both.

Energy credits. You can earn a 2009 tax credit for installing energy-saving home improvements such as new doors, new windows, energy-efficient furnaces, heat pumps, hot water heaters, air conditioners, etc. The credit is 30% of the cost of installing such energy savers, up to a top credit of $1,500. For windows and doors, the credit is based on the cost of the materials; for furnaces and air conditioners and the like, you can count the cost of installation, too. A bigger credit is available for more ambitious projects – like solar hot-water heating systems, geothermal heat pumps and, yes, even residential wind energy systems. Start generating your own power and Uncle Sam will rebate 30% of the full cost of your system…with no dollar cap.

First-time homebuyer credit. If you bought a home during the first four months of 2010, you may qualify for either an $8,000 or $6,500 home buyer credit. And, you don’t really have to be a first-time home buyer to qualify for either credit. To qualify for the $8,000 credit you (and your spouse if married) must not have owned a home in the three years leading up to the purchase of your new home. The credit is 10% of the purchase price of the home, up to a maximum credit of $8,000. No credit is allowed for homes that cost more than $800,000.

To qualify for the $6,500 credit, you must be a long-time homeowner, defined as owing and living in the same principal residence for five of the eight years leading up to the purchase of your new home. The credit is 10% of the purchase price of the home, up to a maximum credit of $6,500. No credit is allowed for homes that cost more than $800,000.

Timing is everything. To qualify for either credit, you must have signed a binding contract on your new home before May 1, 2010, and you must have closed on the deal by September 30, 2010.

Unlike a first-time home buyer credit available in 2008 – which had to be paid back over 15 years by adding $500 in each of those years to the taxpayer’s tax bill – the 2010 credit does not have to be paid back, as long as you live in the principal residence for at least three years.

First-time homebuyer credit repayment. The $7,500 first-time homebuyer credit that was available for qualifying purchases after April 8, 2008, and before January 1, 2009, must be repaid starting with your 2010 tax return. To repay this “interest-free loan”, you must add $500 each year to your tax bill until the full $7,500 is repaid. If you sell or otherwise stop using the house as your home before the credit is fully repaid, any remaining balance must be repaid with your tax return for the year of the sale.

Foreclosure. See Cancelled debt on foreclosure or short sale.

Home-equity debt. Interest on up to $100,000 of debt secured by your first or second home -- using a second mortgage, say, or home equity line of credit -- can be deducted, regardless of how the money is used. The use of home-equity debt gives homeowners an opportunity to skirt the rules that generally block the deduction of debt used to buy automobiles, for example, or pay for vacations.

Home-office deduction. You can deduct the costs of a home office that you use exclusively and regularly for business. This includes depreciation, utilities and insurance for the office portion of your home. To qualify for the tax break you must either meet with clients there regularly, or the home office must be your principal place of business (unless it is not attached to your house).

Home-sale exclusion. Up to $250,000 of profit from the sale of your home can be tax free; $500,000 if you are married an file a joint return. To qualify, you must own and live in the house for periods totaling two years out of the five years leading up to the sale. A reduced exclusion is available if you fail the two-year test due to unforeseen circumstances such as a move resulting from a job change, for example, or divorce. You can use this exclusion any number of times but no more frequently than once every two years.

IRA payouts for first-time homebuyers. You can withdraw as much as $10,000 from a traditional IRA before age 59½ without penalty if the money is used to buy the first home for yourself, a child or grandchild, or your parents or grandparents. Although the payout avoids the normal 10% early-withdrawal penalty, it is taxed. Different rules apply to tapping a Roth IRA for the purchase of a home. See Roth IRA payouts for first-time homebuyers.

Loan prepayment penalties. If your lender charges you a penalty for prepaying your mortgage early, the charge is deductible as mortgage interest.

Mortgage interest. You can deduct interest on up to $1.1 million of loans used to buy or build or improve your first or second home and secured by the property. Up to $1 million of such debt is called acquisition debt, which must be used to acquire or improve the property, and up to $100,000 more is called home equity debt, which can be used for any purpose.

Mortgage interest credit. If you received a mortgage credit certificate from a state or local governmental agency, you can claim a tax credit of up to $2,000 of mortgage interest paid.

Moving expenses. If a move is connected with taking a new job that is at least 50 miles farther from your old home than your old job was, you can deduct travel and lodging expenses for you and your family and the cost of moving your household goods. If you drive your own car, you can deduct 24 16.5 cents a mile for 2009 2010 moves. (For 20102011, the standard mileage rate for moving is 16.519 cents a mile.) If you moved to take your first job, the 50-mile test applies to the distance between your old home and your new job. The deduction is allowed even if you do not itemize deductions.

Parsonage allowance. For members of the clergy, the value of a home provided by the church is a tax-free fringe benefit. A housing allowance is also tax-free.

Points. Points you pay to get a mortgage for your principal residence are generally fully deductible in the year paid, even if you persuade the seller to pay your points for you. They are not deductible if paid as part of a refinancing a mortgage on your principal home or on a second home; in that those cases, you deduct the points over the life of the loan.

Presidentially declared disaster. If your home was damaged or destroyed in an area that the President declared a disaster area, special rules apply to the casualty loss deduction. For one thing, for 2009 losses the law waives the requirement that you reduce your loss by an amount equal to 10% of your adjusted gross income to arrive at the deduction. And, youYou may choose to deduct your loss in the year it occurred or the previous year, whichever is more advantageous. If you claim a 2010 loss on a 2009 amended return, for example, you’ll get your tax savings via a refund check from the IRS.

Property taxes. See Real estate taxes.

Real estate taxes. You can deduct state and local real estate taxes paid during the year on any number of personal residences you own. (A 2009 break that allowed homeowners who claimed If you choose to claim the standard deduction rather than itemize deductions, you canto boost their standard deduction to include some of the property tax they paid was not renewed for 2010.)add $500 if single or $1,000 if married filing jointly to the regular standard deduction amount if you paid at least that much in state and local real estate taxes. If you own rental properties, real estate taxes on them are deducted on Schedule E where you report rental income.

Real estate taxes when you buy a home. If you bought a home during the year, check to see if the seller had prepaid property taxes for a period you actually owned the home. If so, include that amount in your property tax deduction for the year . . .even if you did not reimburse the seller.

Recreational vehicle. If your RV has cooking, sleeping and sanitation facilities, interest on a loan used to buy it can qualify as deductible mortgage interest on a first or second home. If you are subject to the alternative minimum tax, interest on an RV loan is not deductible.

Refinancing points. Generally, points paid when refinancing are deducted over the term of the loan. But if you refinanced a loan that you previously refinanced, you can deduct in full the as-yet-undeducted points remaining on the prior loan. There's a catch, however: If you refinanced with the same lender, the remaining points must be amortized over the term of the new loan.

Rehabilitation credit. If your residence is certified by the government as a historic building, you can claim a tax credit for 20% of the cost of renovating it. The renovation must be substantial, and the expenses must be incurred within a 24-month period.

Reverse mortgage. Amounts received under a reverse mortgage -- either a lump sum payment or periodic payments -- are tax free. Interest that accrues on a reverse mortgage is not deductible until it is paid, and then only interest on up to $100,000 of debt can qualify.

Roth IRA payouts for first-time homebuyers. Because the rules for the Roth IRA allow you to withdraw contributions at any time without penalty, the Roth can be a powerful tool for saving for a first home. Say you and your spouse each put $5,000 a year into a Roth for five years. The entire $50,000 could be withdrawn tax- and penalty-free for a down payment and, because the accounts have been opened for at least five years, up to $10,000 of earnings can be withdrawn tax- and penalty-free if used to buy your first home.

Serial refinancers.If you refinanced in 2010 and paid off a home mortgage you acquired when refinancing to pay off an earlier mortgage, any as-yet-undeducted points on the previous refinancing may be deductible on your 2010 return. See Refinancing points.

Tax-free profit. See Home sale exclusion.

Tax-free profit on vacation home. Because you can use the home-sale exclusion repeatedly, it's possible to make profit on a vacation home tax free. If you move into the place and live there for two of the five years prior to selling it, you can qualify to claim up to $250,000 of profit tax free (up to $500,000 if you are married and file a joint return).

A recent change in the law, however, has diluted the potential value of this break. For vacation homes converted to principal residences after December 31, 2008, a portion of the gain will be taxed. The taxable part will be based on the ratio of the time after 2008 when the house was a second home or a rental to the total time you owned it.

Tax-free rental income. If you rent out your home for 14 or fewer days during the year -- when there's a major sporting event or political convention in your hometown, for example -- the rental income is tax-free, regardless of how much you make.

Vacation home. Mortgage interest on your second home is deductible, just as it is for your principal residence. Property taxes can be deducted on any number of homes. If you rent the place for 14 or fewer days during the year, the rental income is tax-free to you. If you rent it for more than 14 days a year, you must report the income, but also may claim deductions for rental expenses.