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Licensed HVAC contractors in Lathrop
6 contractors with a Lathrop 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. 6 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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A Featured spot on this hvac page for Lathrop 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 →
Ad space · openAdvertise here
A Featured spot on this hvac page for Lathrop 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 contractors
Order: A–Z by business name (neutral, stated). Showing 1–6. DIAMOND STAR MECHANICAL INC
C-20 · Lic. #1122667 · Lathrop 95330
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DLO HEATING AND AIR CONDITIONING
C-20 · Lic. #1105826 · Lathrop 95330
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
L J ROMAN'S HEATING & AIR INC
C-20 · Lic. #830034 · Lathrop 95330
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MEDEL AIR PRO HEATING & AIR
C-20 · Lic. #1025268 · Lathrop 95330
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SEVERSON HEATING & AIR INC
C-20 · Lic. #1150194 · Lathrop 95330
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WM UNIVERSAL PROJECTS INC DBA UNIVERSAL HEATING & COOLING
C-20 · Lic. #1122355 · Lathrop 95330
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026