Carpentry, drywall and window companies in O Fallon, MO 63366
5 carpentry, drywall and window companies, with local market data for this ZIP.
General contractors 47HVAC 17Roofing and exteriors 17Other construction trades 8Electricians 6Carpentry, drywall and windows 5Concrete and masonry 4Fences and decks 3Garage doors 3Remodeling 3Painting 2Excavation and demolition 2Flooring and tile 1
Area profitability, carpentry, drywall and windows61 / 100Strong market, crowded field
Typical home value$364,000+1.9% in the past year
New homes permitted, 20251,661St. Charles County
Homeowners82.1%20,558 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
iFOAM Insulation of O'FallonInsulation contractor · 949 W Terra Ln, O Fallon(636) 339-3957 · ifoam.com
Merric Millwork and SeatingCarpenter · 213 S Cool Springs Rd, O'Fallon(314) 770-9944 · merric.com · 2 drivers
Raymond ConstructionCarpenter · 1652 Dove Valley Way, O'Fallon(636) 240-9086 · raymondconstruction.com
WunderWoodsCarpenter · 821 Mid Point Dr, O'Fallon(314) 574-6036 · wunderwoods.com
M&N Window ScreensWindow installer · 701 Lazy River Dr, O'Fallon(314) 584-0575
Carpentry, drywall and windows in ZIP 63366 at a glance
Local building angle: St. Charles County permitted 1,661 new homes in 2025, including 284 apartment units. 46% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.