Frequently asked questions

We offer comprehensive construction services, including home remodels, kitchen and bathroom renovations, additions, outdoor living spaces, decks, patios, commercial build-outs, repairs and more.

Our office is at 471 Highway W, Eldon, MO 65026. We serve Eldon and the Lake of the Ozarks area, including Lake Ozark, Osage Beach, Camdenton, Sunrise Beach, Versailles and surrounding communities in central Missouri.

Yes. We work on residential homes, commercial buildings and specialty projects throughout the Eldon area and beyond.

3 Keys Construction was founded by Keith Knamiller and is now led by his sons, Keygan and Keyton Knamiller. It is a local, family-owned business with more than 35 years of service in the Lake of the Ozarks area.

From consultation and custom design to permitting, construction and final walkthrough, our team manages every aspect to ensure quality and clear communication at each stage.

Most projects require permits, especially additions and exterior work. We handle the permitting process on your behalf to keep your project hassle-free and compliant.

Timelines vary by project scope, but we provide a detailed schedule during the planning phase and keep you updated throughout the process.

We source high-quality, durable materials tailored to your design goals, preferences and budget for both indoor and outdoor spaces.

We stand behind our craftsmanship with a comprehensive warranty covering both workmanship and materials, plus any relevant manufacturer warranties.

We provide maintenance guidelines for all completed work — interior upgrades and outdoor installations — so you can enjoy your investment for years to come.

Yes. Call (573) 434-2996 or send a message through our contact page to schedule a free consultation and estimate.

Yes. 3 Keys Construction is a BBB Accredited Business with an A+ rating, listed under Eldon, MO.

Composite decking is the most popular choice at the lake because it resists moisture, fading and splinters with little maintenance. Cedar and pressure-treated lumber cost less up front but need regular sealing. We walk through the trade-offs on every estimate.

Yes. Steep, wooded lakefront lots are a large share of our work. We engineer footings and framing for the slope and often design multi-level decks with stairs that follow the grade to the water.

Yes. We build freestanding and attached pergolas, fully covered patios with wood ceilings, and gazebos, and we can add lighting and ceiling fans.

Yes. Kitchen and bathroom remodels are core services, from vanity and fixture updates to full gut-and-rebuild projects with new layouts, tile and cabinetry.

Yes. We coordinate electrical, plumbing and HVAC work as part of the project so you are not managing separate trades.

Yes. We remodel offices, retail spaces and other commercial interiors in addition to homes.

Yes. We build boathouses, add storage to existing boathouses and expand docks for Lake of the Ozarks waterfront homes.

That is the goal on every addition. We match rooflines, siding, trim and interior finishes so the new space looks original to the home.

Almost always. We handle the permitting process for additions and exterior work as part of the project.

Office, retail and tenant build-outs, interior finish-outs, steel buildings, warehouses, storage facilities and small business facilities.

Yes. We schedule phases to limit disruption and keep your business operating during construction whenever possible.

Yes. We repair storm and water damage to roofs, siding, decks and interiors, and handle structural repairs and reinforcement.

Yes. We provide seasonal maintenance and inspections for decks, roofs, siding and other exterior systems.

Yes. Step, post-cap and under-rail lighting are common add-ons to our deck and pergola projects.