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Free, No-Obligation Estimate

Get Your Window & DoorQuote Today.

Tell us about your project and we'll follow up with real pricing — no big-box sales pitch, no per-lead middleman. You're talking directly to the crew that does the work.

✓ Fully insured for your protection
✓ Response within one business day
✓ Flat-rate, transparent pricing — no hidden fees
✓ Financing available through Acorn Finance
500+
Installs Completed
15+
Years Experience
5★
Average Rating
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Window ReplacementDoor InstallationEnergy-Efficient GlassStorm DoorsPatio DoorsEntry DoorsCustom FramesWeather SealingKansas City & Surrounding AreasFully InsuredFree EstimatesFinancing Available Window ReplacementDoor InstallationEnergy-Efficient GlassStorm DoorsPatio DoorsEntry DoorsCustom FramesWeather SealingKansas City & Surrounding AreasFully InsuredFree EstimatesFinancing Available

Straight to the Source

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Fully Insured

Full liability coverage on every job — your home is protected at every step.

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No Lead-Fee Markup

You're contacting KO Carpentry directly — not a platform that resells your info to five competing companies.

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Transparent, Flat-Rate Pricing

What we quote is what you pay. No surprise add-ons, no hidden labor charges.

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Lifetime Workmanship Warranty

Backed by a lifetime craftsmanship guarantee, on top of the manufacturer's warranty.

Ballpark Pricing

Every home is different, so your exact quote comes after a quick on-site look — but here's a starting point.

Window Replacement
$900+
per window, installed
Entry Door
$2,500+
installed, ProVia
Patio / Sliding Door
$2,500+
installed, ProVia / Alliance

What People Say

★★★★★

"KO Carpentry replaced all twelve windows in our colonial. The crew was professional, fast, and left the place spotless. Our heating bill dropped the very next month."

Margaret & Tom H. — Homeowners
★★★★★

"I got three quotes and KO was the most honest — no upselling, no nonsense. The front door they installed is beautiful and fits perfectly."

David R. — Homeowner
★★★★★

"The sliding patio door they installed glides like silk. They finished in half a day and caulked everything immaculately."

Sandra K. — Homeowner
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