Home Improvements and Resale Value (and Why Permits Matter)

Every homeowner eventually stands in a room thinking, “if we redo this, do we get the money back?” The honest answer from the resale and appraisal side: almost no project returns 100% at sale — but some hold most of their value, some barely register, and unpermitted work can subtract value. Here’s the hierarchy, and the permit trap that catches Colorado homeowners at the worst possible moments. This guide is part of our Homeowner Library.

Which improvements hold value best?

Industry cost-vs-value studies say the same thing year after year: unglamorous beats glamorous.

• The systems and the shell — roof, furnace/AC, water heater, windows, siding. These don’t excite anyone… until they’re failing, at which point they dominate the negotiation. A new roof rarely “adds” value so much as it protects all of it: buyers and appraisers punish deferred maintenance harder than they reward upgrades.
• Curb appeal and entry — garage doors, exterior refresh, front door. Consistently among the best cost-to-value ratios measured.
• Moderate kitchen and bath refreshes — counters, fixtures, refacing — typically hold value far better than gut-job luxury remodels, where the last $40k of finishes returns pennies.
• Adding livable square footage — finished basements especially, in Colorado — can be a strong play, with the caveat below about how appraisers count it… and the giant caveat about permits.

What holds value worst: highly personal, high-cost projects — pools in our climate, ultra-custom finishes, converting a garage to a gym (you deleted a garage), solar with complicating financing structures (that one has its own wrinkles at sale and refi — a topic we’ll cover separately).

How does an appraiser actually see my renovation?

Not through your receipts. An appraiser values your home against comparable sold homes, adjusting for condition and features. Practical consequences:

• Condition ratings move in steps, not dollar-for-dollar. Going from “dated but functional” to “updated” matters; going from “updated” to “spectacular” often doesn’t move comps much.
• Below-grade space is counted differently. A finished basement adds value but is typically valued below above-grade square footage — great project, just don’t expect main-floor pricing per foot.
• Quality of comps rules everything. In a neighborhood of $450k homes, a $250k renovation doesn’t create a $700k appraisal. The neighborhood is the ceiling; improvements move you within it, not past it.

This matters double if you plan to fund improvements with equity — the HELOC vs. cash-out comparison — because value created is part of the payoff math. (Buying a fixer instead? Renovation loans like 203k products roll the work into the mortgage.)

The permit problem: why “we skipped the permit” gets expensive

Unpermitted work feels like a shortcut and behaves like a lien on your future options. Where it bites:

• At sale. Colorado sellers disclose known unpermitted work; buyers’ inspectors flag it; buyers negotiate it down, demand retroactive permitting, or walk. The finished basement that skipped permits routinely gives back more at negotiation than the permit ever cost.
• At appraisal and refinance. Appraisers can’t fully credit space that isn’t legal, conforming square footage — meaning your “1,000 new finished feet” may be valued at zero exactly when you’re trying to tap the equity it created.
• At insurance time. A loss traced to unpermitted electrical or plumbing is a claim fight you don’t want.
• Retroactive permits cost more — inspection behind closed walls sometimes literally means opening them.

The rule of thumb: anything structural, electrical, plumbing, or gas — permit it. Cosmetic (paint, flooring, counters) — generally no permit needed. When in doubt, one call to Pikes Peak Regional Building (or your county’s authority) beats guessing. Keep every permit and receipt in your improvement file — it’s also your cost-basis documentation when you eventually sell (IRS Publication 523 covers how improvements add to your home’s basis).

Frequently asked questions

What home improvement has the best resale ROI? Boring wins: garage doors, exterior/curb appeal, and moderate kitchen/bath refreshes consistently top cost-vs-value studies. Luxury remodels return the least of their cost.

Does a finished basement add value in Colorado? Yes — it’s one of the better square-footage plays here — but below-grade space appraises lower than main-floor space, and it must be permitted to count fully.

Will unpermitted work stop me from selling? Not necessarily, but it must be disclosed, invites renegotiation, and can’t be fully counted by appraisers — so it costs you at sale, refinance, or both.

Do I need a permit for a kitchen remodel? Cosmetic swaps generally no; moving plumbing, gas, electrical, or walls generally yes. Confirm with your local building department before starting.

By Timothy Chase, Founder, 719 Lending — Colorado Springs mortgage broker. NMLS #868175 (Company NMLS #1601989). Equal Housing Opportunity. This article is educational only and is not financial, tax, or legal advice; program details and figures are general — confirm current. 719 Lending is not affiliated with or endorsed by any government agency. Last updated: July 2026.