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TRUSTED BY O FALLON, MO HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon582
    Verified door services reviews

Find Door pros in O Fallon

Avatar for All-Type Window & Door, LLC
All-Type Window & Door, LLC
4.6(
25
)
Doors (Exterior) - Install or ReplaceSliding Door - Install

Serving O Fallon, MO and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Very professional yet down to earth. Best price I found with great quality work. Answered every question I had and gave me a great sense of comfort throughout the whole process. Very time efficient. Replaced 14 windows, added a bay window, replaced 2 sliding glass doors, and replaced an existing garage door with a 4-panel sliding glass door. Only took 2 and a half days!"
Stemson
Legacy 2lt sliding window
Exterior view legacy sliding window
Bathroom windows
New windows and trim

+12

Response time1 day
12 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for County Remodeling Window & Door Replacement
County Remodeling Window & Door Replacement
4.5(
33
)
Doors (Exterior) - Install or Replace

Serving O Fallon, MO and surrounding areas

Approved

In business since 1978

Free estimates

Customers say: Super punctual

"This isn’t the first time County remodeling has done work for us! I added above windows, siding and doors because they did that a few years ago for us, and were great to work with. We were happy to have them back to help remodel our basement and add a shower to our bathroom. They did great work! My bathroom is exactly as i had envisioned in my head. I absolutely love it!! The quality of workmanship and materials used is above and beyond my expectations. Respectful of property, friendly, easy to work with. Will definitely hire again! Thanks for your great work as always!"
New home
New home
New home
New home
New home

+18

2 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for STL Design and Build, LLC
STL Design and Build, LLC
4.6(
168
)
Doors (Exterior) - Install or Replace

Serving O Fallon, MO and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Warranties offered

"STL Design & Build constructed a gorgeous deck off our kitchen and replaced windows and installed door to deck. The workmanship was excellent - well established and talented crews, built on time, and right on budget. Very impressed with the workmanship and also the quality of the materials (from wood framing, decking to windows and door. Very enjoyable experience. Great, great company. Reliable, honest, and professional."
Two-Toned - White cabinets and a blue island
Elegant Kitchen
Before - limited cabinets
Before - view 2
AFTER - much better use of space

+130

Response time10 hrs
77 neighbors recently requested a quote
Recommended by94%of homeowners
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Doors questions, answered by experts

The longevity of door service projects in O'Fallon depends on choosing materials suited for Missouri’s climate, ensuring professional installation that addresses local soil and drainage, and maintaining seals against moisture. Regular inspections for weather damage, using energy-efficient and storm-resistant designs, and keeping up with routine maintenance all help extend a door’s lifespan. Adhering to local building requirements is also essential for lasting results.

Helpful?

For door service in O'Fallon, keep a moisture meter to monitor wood doors, high-quality weatherstripping for sealing gaps, and exterior-grade caulk for repairs. A dehumidifier helps during humid months, while graphite lubricant keeps locks functioning smoothly. Having touch-up paint, storm door hardware, and basic hand tools on hand makes it easier to address minor damage from Missouri’s frequent storms and temperature changes.

Helpful?

In O'Fallon, fiberglass and steel doors are top choices due to their resistance to humidity and temperature extremes common in Missouri. Composite doors also perform well in this climate. Opt for energy-efficient models with insulated cores, impact-resistant finishes for storm protection, and stainless steel hardware to prevent rust. If you prefer wood, select treated lumber or cedar and always use premium weatherstripping for durability.

Helpful?

Your O'Fallon home may benefit from door service if you notice doors sticking after storms, visible gaps or drafts, or signs of water damage. Homes built before 1990 in established neighborhoods often need updated doors for better insulation and security. If your energy bills are rising or you want to enhance curb appeal to keep up with local property values, a door upgrade is a smart choice.

Helpful?

In O'Fallon, a frequent mistake is underestimating how Missouri’s humidity and temperature swings can cause wood doors to swell or warp. Homeowners sometimes skip proper sealing or weatherstripping, leading to drafts and water intrusion. Overlooking the need for exterior door permits or ignoring drainage around entryways—especially with clay-heavy soil—can result in long-term issues. Failing to upgrade locks for added security is also common.

Helpful?

The O Fallon, MO homeowners’ guide to door services

From average costs to expert advice, get all the answers you need to get your job done.