California › Sonoma County › Plumbing › Cotati
Licensed plumbers in Cotati
10 contractors with a Cotati mailing address hold an active (CLEAR) CSLB C-36 Plumbing license in CSLB's license file dated Oct 20, 2026. Get quotes from up to 3 of them →
Plumbing work calls for a C-36 Plumbing license. A B general builder can do plumbing only as part of a larger job with other unrelated trades, unless they also hold a C-36.
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A Featured spot on this plumbing page for Cotati 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 plumbing page for Cotati 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 10 licensed plumbersOrder: A–Z by business name (neutral, stated). Showing 1–10.
C A S PLUMBING
C-36 · Lic. #599381 · Cotati 94931
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ELEVATED COMFORT INC
C-36 · also C-20 · Lic. #1073860 · Cotati 94931
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ELITE PLUMBING SERVICES
C-36 · Lic. #960136 · Cotati 94931
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FRATI'S PLUMBING
C-36 · Lic. #765460 · Cotati 94931
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
J B MECHANICAL
C-36 · Lic. #927188 · Cotati 94931
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MCPHAIL FUEL CO INC
C-36 · Lic. #1129205 · Cotati 94931
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROMAN MARTINEZ PLUMBING
C-36 · Lic. #1148282 · Cotati 94931
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SANTA ROSA PLUMBING LLC
C-36 · Lic. #871026 · Cotati 94931
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
TRIMYC MECHANICAL INC
C-36 · also B, C-4, C-16 · Lic. #555597 · Cotati 94931
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WESTSIDE MECHANICAL INCORPORATED
C-36 · also C-4, C-16, C-38 · Lic. #773449 · Cotati 94931
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026