Excavation and demolition companies in Concord, CA 94518
2 excavation and demolition companies, with local market data for this ZIP.
General contractors 29Roofing and exteriors 6Electricians 6Painting 4Concrete and masonry 4Remodeling 4HVAC 3Excavation and demolition 2Flooring and tile 2Other construction trades 2Garage doors 1Carpentry, drywall and windows 1
Area profitability, excavation and demolition60 / 100Strong market, crowded field
Typical home value$825,000−0.8% in the past year
New homes permitted, 20251,163Contra Costa County
Homeowners69.3%10,217 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Aggregate Engineering Inc.Excavation contractor · 1069 Shary Cir, Concord(925) 349-4408 · aggeng.com · 2 drivers, 2 trucks
Janus CorporationExcavation contractor · 1081 Shary Cir, Concord(925) 969-9200 · januscorp.com
Excavation and demolition in ZIP 94518 at a glance
Local building angle: Contra Costa County permitted 1,163 new homes in 2025, including 178 apartment units. 4% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.