J & D Mechanical Svc
HVAC contractor in Antioch, CA 94509
About this company
J & D Mechanical Svc is listed as an HVAC contractor at 1429 Aster Dr in Antioch, California, in Contra Costa County. It is one of 15 HVAC companies in ZIP 94509.
Other HVAC companies nearby
California Heating & Cooling1814 Verne Roberts Cir, Antioch
0.5 mi(925) 756-0700
Plummers Heating, Air Conditioning, and Sheet Metal610 W 10th St, Antioch
0.6 mi(925) 778-7788
Thermal Comfort232 William Reed Dr, Antioch
0.6 mi(925) 708-7816
Fertado Heating & Air2504 Verne Roberts Cir Ste 101, 101, Antioch
0.8 mi(925) 754-2730
Perfect Star Heating and Air Conditioning2595 W 10th St, Antioch
0.8 mi(925) 550-0505
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.