General contractors in Discovery Bay, CA 94505
5 general contractors, with local market data for this ZIP.
General contractors 5Other construction trades 2HVAC 2Fences and decks 1Concrete and masonry 1Garage doors 1Electricians 1
Area profitability, construction74 / 100Strong market, open field
Typical home value$774,000−0.9% in the past year
New homes permitted, 20251,163Contra Costa County
Homeowners90.2%5,522 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Delta Seaweed RemovalConstruction company · 1435 Marlin Pl, Discovery Bay(925) 516-2520 · deltaseaweed.com
Sean Alexander Marine ServicesGeneral contractor · 4480 Discovery Pt, Discovery Bay(925) 634-8744 · sealmarine.com
Cal-Vet Construction Inc DBA Cal-Vet EngineeringConstruction company · Discovery Bay(925) 240-4032 · 4 drivers, 1 truck
HP Construction ServicesConstruction company · Danville(925) 648-8035 · 1 driver, 1 truck
Plana Builders IncConstruction company · Discovery Bay(925) 322-4136 · 1 driver
Construction in ZIP 94505 at a glance
Local building angle: Contra Costa County permitted 1,163 new homes in 2025, including 178 apartment units. 39% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.