General contractors in Great Mills, MD 20634
4 general contractors, with local market data for this ZIP.
Area profitability, construction58 / 100Moderate market, open field
Typical home value$368,000+1.4% in the past year
New homes permitted, 2025282St. Mary's County
Homeowners65.4%2,538 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Great Mills Trading PostGeneral contractor · 20294 Point Lookout Rd, Great Mills(301) 870-2289 · gmtp.net
Three Notch Construction LlcGeneral contractor · 22402 Chancellors Run Rd, Great Mills(301) 862-0000 · certainteed.com · 1 driver, 4 trucks
Apf Construction IncConstruction company · Great Mills(301) 994-0071 · 11 drivers, 12 trucks
D L Adams LLCConstruction company · Great Mills(301) 994-1010 · 4 drivers, 7 trucks
Construction in ZIP 20634 at a glance
Local building angle: St. Mary's County permitted 282 new homes in 2025, including 10 apartment units. 34% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.