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Understanding Capital Gains on Your Home Sale - 12/31/2025

Selling your home can be a significant financial event and it's important to understand how capital gains taxes may apply. Fortunately, U.S. tax law offers generous exclusions for homeowners under certain conditions, and with proper recordkeeping, many can reduce or eliminate their tax burden altogether.

Here's what every homeowner should know about capital gains, exclusions, and the importance of documenting improvements.

What Are Capital Gains?

Capital gain is the profit you make from selling your home. It's calculated as the difference between your adjusted cost basis and the sale price (minus allowable selling costs, such as real estate commissions).

Sale Price ... (Purchase Price + Capital Improvements + Selling Costs) = Capital Gain

Capital Gains Exclusion for Your Primary Residence

Under IRS rules, if the home you're selling is your primary residence, you may be eligible to exclude a portion of the capital gain from taxation.  If the home you're selling is your primary residence, you may be able to exclude up to $250,000 in capital gains if you're single, or up to $500,000 if you're married and file jointly.

To qualify, you must have owned and lived in the home for at least two of the five years before the sale, and you must not have used this exclusion on another property in the past two years. This exclusion can make a significant difference in the net proceeds from your sale.

Example: A married couple sells their home for $800,000. They bought it for $400,000 and made $50,000 in qualifying improvements. After deducting $30,000 in selling expenses, their gain is $320,000. Since that's under the $500,000 exclusion, they owe no capital gains tax.

Why Tracking Home Improvements Matters

Your cost basis isn't just the purchase price; it includes the cost of capital improvements made to the home. These improvements can reduce your taxable gain by increasing your basis.

Capital improvements are upgrades that either add value to the home, prolong its useful life, or adapt it to new uses.  It is only necessary to meet one of these requirements.

Examples of improvements that increase your basis:

  • Adding a room or garage
  • Installing a new roof or HVAC system
  • Remodeling a kitchen or bathroom
  • Replacing windows or flooring
  • Building a deck or finishing a basement

Routine maintenance and repairs, such as painting, fixing a leaky faucet, or patching a roof, do not qualify. They may be necessary, but they don't add to your basis.

Pro Tip: Keep a Home File

Keeping a folder or digital record that includes purchase documents, receipts for improvements, contractor invoices, permits and plans, and records of major appliance installations can be valuable for proof in case of an audit.  Photos before and after can also be helpful.

This documentation can make a significant difference when it's time to sell and report your capital gain.  For more information, contact your tax professional and download IRS Publication 530.

In Summary

  • Capital gains are based on your sale price minus your adjusted cost basis.
  • Homeowners may exclude up to $250,000 (single) or $500,000 (married) in gains on their primary residence.
  • Documenting improvements is essential to reduce your potential tax bill.
  • Only capital improvements, not maintenance, add to your cost basis.

By understanding these rules and keeping good records, you can make the most of the tax advantages of homeownership and retain more of your equity when you sell.  Download our Homeowners Tax Guide.

Patricia (Patty) Linson CLHMS (Certified Luxury Home Marketing Specialist) Keller William Marketplace Henderson, NV (702) 353-3844 S.21590 Luxury Realtor® | Las Vegas & Henderson, Nevada Patricia (Patty) Linson is a top-rated, award-winning Realtor® known for her impeccable 5-star reputation, exceptional client care, and unmatched mastery of the Las Vegas and Henderson real estate markets. Vegas Born and Raised, Patty understands the region from the inside out—its neighborhoods, its history, its luxury enclaves, and its investment opportunities. With a long-standing career marked by consistency, excellence, and client loyalty, Patty has built a powerful track record of delivering results across every real estate category, including: • Luxury Single-Family Homes • High-Rise & Vertical Living • Townhomes & Condos • Short-Term Rental (STR) Opportunities • Investment Properties & Multi-Unit Dwellings Her clients—ranging from luxury buyers to long-term investors—consistently benefit from her ability to identify high-return opportunities, negotiate strategic advantages, and position properties for maximum value. Patty is widely recognized as a pricing expert, celebrated for her ability to bring properties to market with precision and momentum, often achieving rapid sales and top-tier returns. ⸻ Unmatched Market Expertise Patty’s deep roots, extensive market knowledge, and analytical approach allow her to offer a level of insight rarely found in today’s market. Her strategies are data-driven, intuitive, and tailored to the unique needs of every client. Whether you are purchasing your dream home, preparing a property for market, or expanding your real estate portfolio, Patty provides a seamless, concierge-level experience from start to finish. ⸻ Why Clients Choose Patty Linson • Elite negotiation skills that consistently secure favorable outcomes. • Luxury-level presentation and preparation, elevating every listing. • Clear communication that simplifies even the most complex transactions. • A vast network of trusted vendors, contractors, designers, and professionals—all personally vetted to support her clients at the highest standard. • A reputation built on honesty, integrity, and results, reflected in her continuous stream of 5-star reviews and client referrals. Patty’s clients describe her as dedicated, powerful, intuitive, knowledgeable, and relentlessly committed to their success. She brings calm to the process, clarity to the details, and confidence to every decision. ⸻ Your Las Vegas Real Estate Advantage If you’re looking for a Realtor® who offers expertise, strategy, and a truly personalized approach—someone who delivers executive-level guidance with the heart of a trusted advisor—Patricia Linson is your partner in real estate success. Serving Las Vegas, Henderson, and clients across the country through her extensive national network, Patty is ready to help you achieve your goals with precision, passion, and professionalism. Contact Me Visit my Website Send a Referral Subscribe to Newsletter