HVAC companies in Castro Valley, CA 94546
5 HVAC companies, with local market data for this ZIP.
General contractors 28Roofing and exteriors 7HVAC 5Remodeling 5Concrete and masonry 4Carpentry, drywall and windows 3Electricians 2Garage doors 2Painting 1
Area profitability, HVAC67 / 100Strong market, balanced field
Typical home value$1,007,000+1.5% in the past year
New homes permitted, 20252,778Alameda County
Homeowners66.3%15,918 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
4 Seasons Heating & Air ConditioningHVAC contractor · 21776 Dolores St, Castro Valley(510) 582-3112 · 4seasonsheat.com
Affordable Heating & Air ConditioningHVAC contractor · 4026 Castro Valley Blvd, Castro Valley(510) 825-5079 · myaffordablehvac.com
Air Duct Cleaning Castro ValleyHVAC contractor · 19807 San Miguel Ave, Castro Valley(510) 731-1723 · airductcleaningcastrovalley.com
B.A. Morrison General ContractorHVAC contractor · 2544 Castro Valley Blvd, Castro Valley(510) 538-9817 · bamorrison.com · 1 driver, 1 truck
DMG NorthHVAC contractor · 4795 Heyer Ave, Castro Valley(510) 346-7755 · dmgn.com
HVAC in ZIP 94546 at a glance
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.