Monsam Enterprises Inc.
General contractor in Antioch, CA 94509
About this company
Monsam Enterprises Inc. is listed as a general contractor at 2685 Pittsburg Antioch Hwy in Antioch, California, in Contra Costa County. It is one of 26 general contractors in ZIP 94509.
Other construction companies nearby
Antioch Building Materials1375 California Ave, Pittsburg
0.5 mi(925) 432-3828
ARB Inc1875 Loveridge Rd, Pittsburg
0.7 mi(925) 432-3563
Gentry Court Homeowner Assn2611 Nevada Ln, Antioch
1.3 mi(925) 757-6026
CRV Construction2804 Seville Cir, Antioch
1.3 mi(415) 290-4606
MDC Builders980 Garcia Ave, Pittsburg
1.5 mi(925) 427-2264
Housing market around ZIP 94509
Figures describe the local area, not this company.
Typical home value$536,000−1.0% past year · +61% in 10 years
Typical rent$2,348+0.8% past year
12-month value outlook+1.2%
New homes permitted, 20251,163Contra Costa County
Days to sale agreement16San Francisco metro · 22 a year ago
Listings with a price cut21.2%San Francisco metro
Sale price vs list106.1%San Francisco metro
New construction sales91San Francisco metro, Aug · −32% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Contra Costa County permitted 1,163 new homes in 2025, including 178 apartment units. 9% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.