Carpentry, drywall and window companies in Gaithersburg, MD 20879

6 carpentry, drywall and window companies, with local market data for this ZIP.

Area profitability, carpentry, drywall and windows57 / 100Strong market, crowded field
Typical home value$433,000−1.6% in the past year
New homes permitted, 20251,411Montgomery County
Homeowners69.8%8,850 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

C & G Carpentry ServicesCarpenter · 18233 Flower Hill Way, Gaithersburg(301) 942-1122 · cgcarpentry.com
First American MillworkCarpenter · 7905 Cessna Ave, Gaithersburg(301) 947-8808 · firstamericanmillwork.com · 1 driver, 1 truck
O'Connor's Painting ServiceDrywall contractor · 18943 Bonanza Way, Gaithersburg(301) 963-4226 · oconnorspainting.com
Terra InsulationInsulation contractor · 8340 Beechcraft Ave Unit C, Gairtherburg(301) 660-8579 · terrainsulation.com · 3 drivers, 1 truck
USA Insulation of DC Metro WestInsulation contractor · 7554 Rickenbacker Dr Ste 1, Gaithersburg(301) 761-1811 · usainsulation.net
Absolute Drywall Construction IncCarpentry contractor · Gaithersburg(301) 370-8730 · 4 drivers, 1 truck

Carpentry, drywall and windows in ZIP 20879 at a glance

Local building angle: Montgomery County permitted 1,411 new homes in 2025, including 559 apartment units. 14% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.