Every capital improvement you make to your property has the potential to increase your tax basis, and reduce the capital gains tax you pay when you eventually sell. But the keyword is "potential." Improvements only reduce your taxable gain if they are documented. And documentation is the step most property owners skip, assuming they will be able to reconstruct it from memory or receipts when the time comes.

What Qualifies as a Capital Improvement

The IRS distinguishes between repairs (which are expensed and do not affect basis) and capital improvements (which are added to the basis). A repair maintains the property in its current condition, fixing a broken gutter, patching a crack, replacing a broken window. A capital improvement adds value, extends the useful life of the property, or adapts it to a new use, a new roof, an addition, a kitchen renovation, a new HVAC system.

The line between repair and improvement is not always obvious. Replacing individual damaged shingles is a repair. Replacing the entire roof is an improvement. Repainting a room is a repair. Adding a new room is an improvement. When in doubt, treat the item as a potential improvement and preserve the receipts, your accountant can make the determination at tax time.

Why the Appraisal Reinforces the Paper Trail

A capital improvement creates a paper trail, permits, contractor invoices, before-and-after photographs. But the paper trail establishes what work was done and what it cost. It does not establish what the improvement added to the property's market value at the time it was made. For most tax purposes, the cost of the improvement is what is added to the basis, not the market value it created. But in some circumstances, particularly for valuation disputes, professional documentation of the property's condition before and after significant improvements can be valuable.

A professional appraisal commissioned before a major renovation, establishing the as-is value before improvements, creates a contemporaneous baseline. An appraisal commissioned after the renovation establishes the as-improved value. The difference between the two is the market value added by the improvement, a figure that can be useful for insurance, for tax planning, and for future disposition strategy.

The Unpermitted Improvement Problem

Capital improvements made without permits, unpermitted additions, unregistered HVAC replacements, unpermitted electrical work, create a specific basis documentation challenge. The permit record does not support the improvement. The tax record does not reflect it. And when the property is sold, the buyer's inspector and the buyer's appraiser will likely identify the unpermitted work as a risk factor.

A professional appraisal that documents the actual current condition of the property, including unpermitted improvements, creates a contemporaneous record of what exists. This does not resolve the code compliance issue, but it does establish the property's actual condition for basis purposes.

Ready to Get Started?

Whether you are a homeowner, estate attorney, realtor, or investor in Greater Boston, Adam Wiener and the Aladdin Appraisal team deliver USPAP-compliant appraisals you can rely on. Call today: (617) 517-3711 | info@aladdinappraisal.com | aladdinappraisal.com