4 Seasons Heating & Air Conditioning
HVAC contractor in Castro Valley, CA 94546
About this company
4 Seasons Heating & Air Conditioning is listed as an HVAC contractor at 21776 Dolores St in Castro Valley, California, in Alameda County. It is one of 5 HVAC companies in ZIP 94546.
Other HVAC companies nearby
B.A. Morrison General Contractor2544 Castro Valley Blvd, Castro Valley
0.7 mi(510) 538-9817
Affordable Heating & Air Conditioning4026 Castro Valley Blvd, Castro Valley
0.9 mi(510) 825-5079
J.R. Heating and Cooling Systems22455 Western Blvd, Hayward
1.3 mi(510) 889-8368
Sunny Furnace and AC Repair Installation24050 Amador St, Hayward
2.0 mi(510) 681-0600
Trio Heating & Air Hayward109 Jackson St, Hayward
2.1 mi(925) 718-9710
Housing market around ZIP 94546
Figures describe the local area, not this company.
Typical home value$1,007,000+1.5% past year · +60% in 10 years
Typical rent$2,879+6.7% past year
12-month value outlook+1.4%
New homes permitted, 20252,778Alameda 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: Alameda County permitted 2,778 new homes in 2025, including 1,604 apartment units. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.