How many plumbing contractors are in SAN RAMON, CA?

22 with a current California license, as of 2026-08-31.

How do I check a California contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the California CSLB licensee database.

Plumbing contractors in SAN RAMON, CA

22 listings

Source: California CSLB license records. Last verified 2026-08-31.

There are 22 plumbing contractors in SAN RAMON, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; every listing shows its own number and expiry date. All are drawn from the California CSLB register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
A-1 PRO CONSTRUCTION LLC	1089245	B, C-36	2028-03-31	SAN RAMON	94583	Set up workspace
ADVANCED PLUMBING AND ROOTER SERVICE	782789	C-36	2027-06-30	SAN RAMON	94583	Set up workspace
APLUS PLUMBING	972915	C-36	2028-05-31	SAN RAMON	94582	Set up workspace
B & H PLUMBING & HOME SERVICES INC	994654	B, C-36	2028-07-31	SAN RAMON	94583	Set up workspace
B & H SERVICES	948487	B, C-36	2028-06-30	SAN RAMON	94583	Set up workspace
CORE CONSTRUCTION BUILDERS AND ASSOCIATES INC	1068729	B, C-20, C-36	2026-09-30	SAN RAMON	94583	Set up workspace
CSB PLUMBING	1136765	C-36	2027-04-30	SAN RAMON	94582	Set up workspace
EUROPE PLUMBING INC	1057239	C-36	2027-08-31	SAN RAMON	94582	Set up workspace
FLOWMOTION PLUMBING	1145491	C-36	2027-10-31	SAN RAMON	94582	Set up workspace
LEGACY MECHANICAL & ENERGY SERVICES INC	808022	B, C-4, C-20, C-36, C-38	2028-05-31	SAN RAMON	94583	Set up workspace
MAGNIFICENT PLUMBING & ROOTER INC	1018622	C-36, C-42	2028-09-30	SAN RAMON	94583	Set up workspace
MASTER OF TANKLESS WATER HEATERS	1094071	C-36	2028-07-31	SAN RAMON	94583	Set up workspace
NIKO'S PLUMBING	1111130	C-36	2027-10-31	SAN RAMON	94582	Set up workspace
OPTIMUM CONSTRUCTION GROUP INC	1127090	B, C-36	2026-09-30	SAN RAMON	94583	Set up workspace
PLUMBING ART INC	1131427	C-36	2027-02-28	SAN RAMON	94583	Set up workspace
PLUMBING UNLIMITED CALIFORNIA	564231	C-36	2027-04-30	SAN RAMON	94583	Set up workspace
PNM PLUMBING INC	1159088	C-36	2028-08-31	SAN RAMON	94583	Set up workspace
SYMBOLIC PLUMBING	1136896	C-36, C-42	2027-04-30	SAN RAMON	94583	Set up workspace
TANKLESS WATER HEATER EXPERTS	992032	B, C-4, C-36, C-42	2028-04-30	SAN RAMON	94583	Set up workspace
TRI VALLEY PLUMBING	654790	C-36	2026-09-30	SAN RAMON	94583	Set up workspace
VIP PLUMBING AND WATER HEATERS INC	1054446	C-36	2027-06-30	SAN RAMON	94582	Set up workspace
WATER TECH SYSTEMS	838650	C-10, C-36, D21, D35	2028-05-31	SAN RAMON	94583	Set up workspace

Quick answers

How many plumbing contractors are in SAN RAMON?: 22 with a current California license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the California CSLB licensee database.