Tax Cheat Sheet for New Home Buyers: What to Keep and Why
Congratulations: you just bought a home! The keys are in your hand, the boxes are piling up, and you're probably wondering where you're going to put that couch. But before you get too deep into the move-in chaos, let's talk about something that future-you will thank you for: paperwork.
I know, I know. Not exactly the exciting part of homeownership. But here's the thing: the documents you keep (or lose) today can literally save you thousands of dollars when you eventually sell. And as someone who works as both a Realtor and a tax professional, I've seen too many homeowners scramble at closing time because they couldn't find critical paperwork.
Let's make sure that's not you. Here's your no-nonsense cheat sheet for what to keep and why it matters.
Your Closing Disclosure Is Gold: Don't Lose It
That thick stack of papers you signed at closing? Somewhere in there is a document called the Closing Disclosure (CD). If your transaction involved an attorney, you might also have an ALTA Settlement Statement. These documents are the financial blueprint of your home purchase.
What's on it?
- Your purchase price
- Loan details and terms
- Prorated property taxes
- Prepaid interest
- Title fees, recording fees, and transfer taxes
- Any seller credits or concessions
Why does it matter?
Your Closing Disclosure establishes your cost basis in the home. Think of cost basis as your starting point for calculating profit (or loss) when you sell. The higher your basis, the lower your taxable gain. And some of those closing costs: like transfer taxes and recording fees: can actually be added to your basis.
Pro tip: Scan your CD and save it digitally in at least two places (cloud storage and a backup drive). Paper fades. Hard drives crash. Be prepared.
Home Improvements vs. Repairs: Know the Difference
This is where a lot of homeowners leave money on the table. Not everything you spend on your house gets the same tax treatment.
Improvements add value, extend the life of your home, or adapt it to new uses. These get added to your cost basis.
Repairs maintain your home in its current condition. These don't count toward basis (unless you have a home office or rental property: different rules apply there).
Examples of Improvements (Keep These Receipts!)
- New roof
- Kitchen or bathroom remodel
- Adding a deck or patio
- Finishing a basement
- New HVAC system
- Energy-efficient upgrades (solar panels, new windows)
- Adding a fence or landscaping that increases value
Examples of Repairs (Not Added to Basis)
- Fixing a leaky faucet
- Patching drywall
- Replacing a broken window pane
- Repainting in the same color
- Unclogging drains
See the pattern? If you're making something better or new, that's an improvement. If you're just keeping things running, that's a repair.
How to Track Improvements
Create a simple folder: physical or digital: labeled "Home Improvements." Every time you complete a project:
- Save the receipt or invoice
- Note the date
- Take before and after photos
- Keep contractor contact information
You might own this home for 10, 20, even 30 years. You won't remember what you spent on that bathroom renovation in 2027 when you're selling in 2045. Trust me on this one.
Property Tax Records: Small Documents, Big Impact
Every year, you pay property taxes. And every year, you should keep a record of what you paid.
Why?
If you itemize your deductions, you can deduct state and local property taxes (up to $40,000 combined with state income or sales taxes for 2025, thanks to recent legislation). Even if you don't itemize now, tax laws change. Having your records means you're ready for whatever comes next.
Your mortgage servicer usually sends you a Form 1098 at the end of the year showing what you paid in mortgage interest. It may also show property taxes paid from escrow. Keep these forms with your annual tax documents.
What If You Pay Taxes Directly?
If your property taxes aren't escrowed, save the receipts or payment confirmations from your local tax authority. Most jurisdictions have online portals where you can download payment history: bookmark that page.
Why All This Matters When You Sell
Here's where everything comes together.
When you sell your home, the IRS wants to know if you made a profit. Your profit (capital gain) is calculated like this:
Sale Price – Cost Basis = Capital Gain
Your cost basis includes:
- Original purchase price
- Certain closing costs from when you bought
- All those improvements you tracked
The higher your basis, the smaller your gain. And smaller gains mean smaller tax bills.
The Home Sale Exclusion
Most homeowners can exclude up to $250,000 in capital gains ($500,000 for married couples filing jointly) if they've lived in the home as their primary residence for at least two of the last five years.
But what if your home appreciated more than that? What if you're in a hot market and your $300,000 purchase is now worth $900,000? That's where your documented improvements become critical. Every dollar you can add to your basis is a dollar that doesn't get taxed.
Real-World Example
Let's say you bought your home for $350,000. Over 15 years, you:
- Added a new roof ($15,000)
- Renovated the kitchen ($40,000)
- Installed solar panels ($25,000)
- Built a deck ($12,000)
Your adjusted basis is now $442,000, not $350,000.
If you sell for $700,000, your gain is $258,000 instead of $350,000. For a single filer, that's the difference between owing taxes on $8,000 versus $100,000. That's not pocket change.
Your Quick Reference Checklist
Here's what to keep in your "Homeowner Tax File":
| Document | Why It Matters |
|---|---|
| Closing Disclosure / ALTA Statement | Establishes original cost basis |
| Home improvement receipts | Increases cost basis, reduces taxable gain |
| Property tax payment records | Potential itemized deduction |
| Form 1098 (annual) | Documents mortgage interest and property taxes paid |
| Energy upgrade documentation | May qualify for tax credits |
| Home office records (if applicable) | Business deduction for self-employed |
Don't bother keeping:
- Homeowners insurance receipts (not deductible)
- Utility bills for personal use
- Routine repair receipts
- HOA fees
- Title insurance documents (for tax purposes)
Let's Get Your Records in Order
Buying a home is one of the biggest financial moves you'll make. Don't let poor record-keeping cost you down the road.
If you're feeling overwhelmed: or if you've got questions about what counts as an improvement versus a repair: I'm here to help. As both a licensed Realtor and tax professional, I can look at your situation from both angles.
Ready to chat?
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Whether you just closed on your first home or you're thinking about selling, let's make sure you're set up for success. No judgment, just smart planning.
