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Licensed HVAC contractors in Alameda
6 contractors with a Alameda mailing address hold an active (CLEAR) CSLB C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) license in CSLB's license file dated Oct 20, 2026. 4 of them show a workers' comp policy on file. Get quotes from up to 3 of them →
Heating and air conditioning work calls for a C-20 license. CSLB requires C-20 licensees to carry workers' compensation even if they have no employees, so check that a policy is on file.
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Ad space · openAdvertise here
A Featured spot on this hvac page for Alameda is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
All 6 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–6.
A T WEBER PLUMBING & MECHANICAL SERVICES INC
C-20 · also C-4, C-36 · Lic. #562098 · Alameda 94501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALAMEDA ISLAND HEATING & AIR CONDITIONING LLC
C-20 · also C-4, C-38 · Lic. #889253 · Alameda 94501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALBERT NAHMAN PLUMBING HEATING AND COOLING
C-20 · also C-36, C-42 · Lic. #1083634 · Alameda 94501
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
COMFORT AIR MECHANICAL SYSTEMS INC
C-20 · also C-4 · Lic. #901310 · Alameda 94501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CORRAL COOLNG AND HEATING
C-20 · Lic. #1128499 · Alameda 94501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PASO ROBLES PLUMBING HEATING AND AIR
C-20 · also C-36, C-42 · Lic. #1099384 · Alameda 94501
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026