How many plumbing contractors are in OAKLAND, CA?

138 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 OAKLAND, CA

138 listings

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

There are 138 plumbing contractors in OAKLAND, 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 BAY AREA ROOTER & PLUMBING	1116691	C-36, C-42	2027-01-31	OAKLAND	94621	Set up workspace
A 1 GENERAL BUILDING	888573	B, C-36	2026-12-31	OAKLAND	94601	Set up workspace
A B PLUMBING	876212	C-36	2028-04-30	OAKLAND	94619	Set up workspace
ABSA PLUMBING	1090088	B, C-36	2028-04-30	OAKLAND	94603	Set up workspace
ACE BAY PLUMBING CO	1069928	C-36	2026-10-31	OAKLAND	94603	Set up workspace
ADVANCED REFRIGERATION	1017769	C-4, C-20, C-38	2028-08-31	OAKLAND	94603	Set up workspace
ALASKA REFRIGERATION AIR CONDITIONING & HEATING CO	565401	C-4, C-20, C-38	2027-04-30	OAKLAND	94601	Set up workspace
ALBERTSON PLUMBING	317171	C-36	2026-11-30	OAKLAND	94610	Set up workspace
ANDREW CAROTHERS - LISKE INC	806519	C-36	2028-09-30	OAKLAND	94608	Set up workspace
ARROYO PLUMBING & ROOTER INC	1139293	C-36	2027-06-30	OAKLAND	94619	Set up workspace
A S A P EXPERT PLUMBING & CONSTRUCTION	945333	B, C-36	2028-04-30	OAKLAND	94602	Set up workspace
ATTIC PROS INC	1022608	B, C-2, C-10, C-20, C-36	2027-01-31	OAKLAND	94603	Set up workspace
AT YOUR SERVICE ROOTER AND DRAIN SPECIALIST	1096724	C-36	2026-09-30	OAKLAND	94603	Set up workspace
AVALOS PLUMBING & DRAIN CLEANING	1036981	C-36	2028-03-31	OAKLAND	94621	Set up workspace
AVI PLUMBING INC	1137502	C-36	2027-05-31	OAKLAND	94603	Set up workspace
A W CONSTRUCTION INC	961634	B, C-10, C-36	2027-06-30	OAKLAND	94619	Set up workspace
BALANZ INC	976726	A, ASB, B, C-36	2026-09-30	OAKLAND	94608	Set up workspace
BAPC INC	999480	B, C-36	2026-12-31	OAKLAND	94602	Set up workspace
BAY OAK SOLUTIONS LLC	1108525	C-36	2027-08-31	OAKLAND	94601	Set up workspace
B & B PLUMBING & INSTALLATIONS	743702	C-36	2027-12-31	OAKLAND	94601	Set up workspace
BEN JACOBS PLUMBING INC	899531	C-36	2027-07-31	OAKLAND	94612	Set up workspace
BETTER SOLUTIONS PLUMBING	1076027	C-36	2027-05-31	OAKLAND	94610	Set up workspace
BLACK CREEK BUILDERS INC	924418	B, C-10, C-36	2028-04-30	OAKLAND	94611	Set up workspace
BLUCAL	1025969	A, B, C-21, C-22, C-36, HAZ	2027-04-30	OAKLAND	94608	Set up workspace
BO'S SUPERIOR PLUMBING INC	1143778	C-36	2027-09-30	OAKLAND	94601	Set up workspace
BROADWAY MECHANICAL-BIG PIPE JOINT VENTURE	1074845	C-4, C-20, C-36, C-43	2027-04-30	OAKLAND	94621	Set up workspace
BROADWAY MECHANICAL - CONTRACTORS INC	584263	A, B, C-4, C-12, C-16, C-20, C-27, C-34, C-36, C-42, C-43, C-60	2028-01-31	OAKLAND	94621	Set up workspace
BROWN 3 PLUMBING COMPANY INCORPORATED	835216	C-36	2027-10-31	OAKLAND	94604	Set up workspace
BULLFROG PLUMBING LLC	1159936	C-36	2028-08-31	OAKLAND	94601	Set up workspace
CALIFORNIA PLUMBING & RADIANT HEATING INC	901206	C-36	2027-07-31	OAKLAND	94523	Set up workspace
CALMO'S PLUMBING & ROOTER INC	1104148	A, C-36	2027-05-31	OAKLAND	94603	Set up workspace
CAPETA RADIANT HEAT SYSTEMS	994184	C-4	2028-06-30	OAKLAND	94607	Set up workspace
CAPURRO FAMILY PLUMBING	944145	C-36	2028-03-31	OAKLAND	94602	Set up workspace
CHALLENGE ROOTER	1008865	A, C-42	2027-03-31	OAKLAND	94621	Set up workspace
CHATFIELD PLUMBING	979416	C-36	2026-12-31	OAKLAND	94605	Set up workspace
COLLINS PLUMBING	699595	C-36	2028-04-30	OAKLAND	94618	Set up workspace
CRAYTON PLUMBING	909898	C-36	2028-01-31	OAKLAND	94603	Set up workspace
CUTTER SEWER AND SANITATION SYSTEMS	1042487	C-42	2028-07-31	OAKLAND	94605	Set up workspace
DANIEL'S HEATING & A/C	1059101	C-20, C-36	2027-10-31	OAKLAND	94621	Set up workspace
DAVID G KENTON	695028	B, C-36	2028-08-31	OAKLAND	94602	Set up workspace
DAVID WASHINGTON III	1111618	C-36	2027-10-31	OAKLAND	94603	Set up workspace
DEREK MC BREARTY PLUMBING	795277	C-36	2026-10-31	OAKLAND	94606	Set up workspace
DESKINS PLUMBING INC	1034752	B, C-36	2028-01-31	OAKLAND	94608	Set up workspace
DONALD KIEHN COMPANY	794349	C-36	2027-04-30	OAKLAND	94610	Set up workspace
DONG'S CONSTRUCTION	876620	B, C-10, C-36	2028-04-30	OAKLAND	94601	Set up workspace
DONNY CHU CONSTRUCTION INC DBA D C CONSTRUCTION	498901	B, C-10, C-36	2027-09-30	OAKLAND	94601	Set up workspace
D V CONSTRUCTION	635540	B, C-36	2026-12-31	OAKLAND	94601	Set up workspace
EAST BAY PUMP & EQUIPMENT COMPANY INC	362016	A, C-16, C-36, HAZ	2028-07-31	OAKLAND	94601	Set up workspace
EAST BAY SEWER INC	1135344	A, C-42	2027-04-30	OAKLAND	94603	Set up workspace
ECONOMY ROOTER & PLUMBING INC	1039625	A, C-36, C-42	2028-05-31	OAKLAND	94621	Set up workspace

Showing 1–50 of 138

Quick answers

How many plumbing contractors are in OAKLAND?: 138 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.