Johnstone Supply Concord
HVAC contractor in Concord, CA 94520
About this company
Johnstone Supply Concord is listed as an HVAC contractor at 2231 Commerce Ave Ste E in Concord, California, in Contra Costa County. It is one of 27 HVAC companies in ZIP 94520.
Other HVAC companies nearby
Air Pro HVAC2170 Commerce Ave, Concord
0.1 mi(925) 768-3316
Green Air2281 Via De Mercados, Ste B, Concord
0.3 mi(925) 284-7336
EHC Heating and Cooling1300 Galaxy Way, Concord
0.3 mi(925) 383-9102
A.S.A.P. Heating & Cooling1647 Willow Pass Rd 129, Concord
0.4 mi(925) 954-4409
East Bay Heating and Cooling2190 Meridian Park Blvd, Concord
0.6 mi(925) 457-0548
Housing market around ZIP 94520
Figures describe the local area, not this company.
Typical home value$601,000+0.7% past year · +52% in 10 years
Typical rent$2,401+3.9% past year
12-month value outlook+1.1%
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. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.