How many plumbing contractors are in CASTRO VALLEY, CA?

24 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 CASTRO VALLEY, CA

24 listings

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

There are 24 plumbing contractors in CASTRO VALLEY, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-10-31; 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
AAA PLUMBING & REMODELING INC	1052769	A, B, C-36, C-42	2027-06-30	CASTRO VALLEY	94552	Set up workspace
ALL FIXTURE PLUMBING	774779	C-36	2028-02-29	CASTRO VALLEY	94546	Set up workspace
ALLIGATOR PLUMBING INC	995431	C-36	2027-01-31	CASTRO VALLEY	94546	Set up workspace
BAEK CONSTRUCTION	1002450	B, C-36	2027-03-31	CASTRO VALLEY	94546	Set up workspace
BLUEWAVE PLUMBING AND WATER HEATERS LLC	1151565	C-36	2028-03-31	CASTRO VALLEY	94552	Set up workspace
BLU PIPE PLUMBING LLC	1132566	C-36	2027-02-28	CASTRO VALLEY	94546	Set up workspace
BRI-CARR PLUMBING	658310	C-36	2026-11-30	CASTRO VALLEY	94546	Set up workspace
BUCHMANN INC	1004484	A, B, C-10, C-36, C-46	2027-11-30	CASTRO VALLEY	94546	Set up workspace
CLEARWATER PLUMBING	872069	C-36	2028-02-29	CASTRO VALLEY	94562	Set up workspace
DEMIGUEL PLUMBING	406575	C-16, C-36	2027-06-30	CASTRO VALLEY	94546	Set up workspace
ELIAS LAMBROS PLUMBING	561709	C-36	2027-03-31	CASTRO VALLEY	94546	Set up workspace
FRANK BONETTI PLUMBING INC	251165	C-4, C-20, C-34, C-36, C-42	2028-05-31	CASTRO VALLEY	94546	Set up workspace
GAXL GENERAL CONSTRUCTION INC	1037436	B, C-36	2028-03-31	CASTRO VALLEY	94546	Set up workspace
HARRIS WATER HEATERS INC	1026214	C-36	2026-11-30	CASTRO VALLEY	94552	Set up workspace
HOUSTON PLUMBING	960208	C-36	2027-04-30	CASTRO VALLEY	94546	Set up workspace
JOHN MC DONAGH BUILDERS AND ENERGY SYSTEMS	422946	B, C-4, C-10, C-27, C-33, C-36, C-38, C-43, HAZ	2028-05-31	CASTRO VALLEY	94546	Set up workspace
JUST PLUMBING INC	909971	C-36	2027-08-31	CASTRO VALLEY	94546	Set up workspace
OLGA GARIBAY PLUMBING	1139028	C-36	2027-06-30	CASTRO VALLEY	94603	Set up workspace
OWEN	395410	A, B, C-42	2026-10-31	CASTRO VALLEY	94552	Set up workspace
PATRICK MC CARTHY	806963	C-36	2028-04-30	CASTRO VALLEY	94546	Set up workspace
PROPER PLUMBING SERVICES LLC	1100951	C-36	2028-04-30	CASTRO VALLEY	94546	Set up workspace
STREAMLINE PLUMBING & DRAIN CO	672250	A, C-36, C-42	2027-09-30	CASTRO VALLEY	94546	Set up workspace
WATER HEATER COMPANY	987574	B, C-36	2027-10-31	CASTRO VALLEY	94552	Set up workspace
WONG PLUMBING	1158954	C-36	2028-07-31	CASTRO VALLEY	94546	Set up workspace

Quick answers

How many plumbing contractors are in CASTRO VALLEY?: 24 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.