M Kelley Construction Inc
Concrete and masonry contractor in Byron, CA 94514
About this company
M Kelley Construction Inc is listed as a concrete and masonry contractor at 4175 Camino Diablo in Byron, California, in Contra Costa County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 7 concrete and masonry companies in ZIP 94514.
Other concrete and masonry companies nearby
Abacus Concrete410 Madera St, Brentwood
5.7 mi(925) 667-8734
Navarro's Concrete900 Minnesota Ave, Brentwood
7.2 mi(925) 329-3200
Alpha Concrete Pumping1901 Newton Dr, Brentwood
7.7 mi(925) 219-1036
Rudy's Custom Concrete and Stone8251 Lone Tree Way, Brentwood
7.9 mi(925) 513-2183
Delta Bay Concrete Cutting5240 Neroly Rd, Oakley
11.7 mi(925) 778-9096
Housing market around ZIP 94514
Figures describe the local area, not this company.
Typical home value$840,000+3.9% past year · +60% in 10 years
12-month value outlook+1.4%
Days to sale agreement16San Francisco metro · 22 a year ago
New homes permitted, 20251,163Contra Costa County
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. 14% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.