Romero's Heating & Air Conditioning
HVAC contractor in Concord, CA 94521
About this company
Romero's Heating & Air Conditioning is listed as an HVAC contractor at 4425 Treat Blvd in Concord, California, in Contra Costa County. It is one of 4 HVAC companies in ZIP 94521.
Other HVAC companies nearby
AC Heating & Cooling Services Inc3500 Clayton Rd, Concord
1.1 mi(925) 521-1807
Contra Costa Climate Control5053 Clayton Rd, Concord
1.4 mi(925) 526-7997
Big Air Heating & Air Conditioning1000 Detroit Ave, Concord
1.9 mi(925) 687-7942
Infinium Air950 Detroit Ave Ste 1-b, Concord
2.0 mi(925) 826-5180
Sobotka Air Systems2355 Whitman Rd Ste E, Concord
2.2 mi(925) 798-9300
Housing market around ZIP 94521
Figures describe the local area, not this company.
Typical home value$772,000+0.7% past year · +46% in 10 years
Typical rent$2,912+2.5% 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. 7% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.