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Licensed plumbers in San Marino
5 contractors with a San Marino 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 San Marino 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 San Marino 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 5 licensed plumbers
Order: A–Z by business name (neutral, stated). Showing 1–5. AQUATECH ENGINEERING INC DBA AQUATECH BACKFLOW SERVICES
C-36 · Lic. #639936 · San Marino 91108
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
ARROYO FLOW PLUMBING INC
C-36 · Lic. #1156447 · San Marino 91108
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
E L MALONEY CO
C-36 · also B, C-20 · Lic. #296761 · San Marino 91108
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MERRY PLUMBING CO INC
C-36 · also C-16, C-20, C-42 · Lic. #860445 · San Marino 91108
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SHING TIM TANG
C-36 · also A, B, C-10, C-20… · Lic. #448716 · San Marino 91108
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026