How many plumbing contractors are in WALNUT CREEK, CA?

36 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 WALNUT CREEK, CA

36 listings

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

There are 36 plumbing contractors in WALNUT CREEK, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-08-31; 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
A & D PLUMBING	959962	C-36	2027-04-30	WALNUT CREEK	94597	Set up workspace
AIR - CON MECHANICAL SERVICES INC	636428	C-10, C-20, C-36	2028-07-31	WALNUT CREEK	94596	Set up workspace
ALL BAY HEATING AIR CONDITIONING & CONSTRUCTION INC	805473	B, C-20, C-36	2028-03-31	WALNUT CREEK	94595	Set up workspace
A M A C CONSTRUCTION & RESTORATION	796327	A, B, C-10, C-36	2027-06-30	WALNUT CREEK	94596	Set up workspace
AMERICAN MECHANICAL; IQ CONTROLS	883177	C-4, C-20, C-38, C-43	2028-08-31	WALNUT CREEK	94595	Set up workspace
ANDIAMO PLUMBING	938192	C-36	2027-09-30	WALNUT CREEK	94597	Set up workspace
BDS PLUMBING INC	713183	C-36	2027-10-31	WALNUT CREEK	94596	Set up workspace
BELLS PLUMBING SOLUTIONS	1147956	C-36	2027-12-31	WALNUT CREEK	94597	Set up workspace
BRETT MARTIN STOM	687252	C-36	2028-04-30	WALNUT CREEK	94596	Set up workspace
C D PLUMBING CONSTRUCTION	804330	C-36	2028-02-29	WALNUT CREEK	94595	Set up workspace
DELTA DRAIN AND PIPE	1153574	C-36	2028-04-30	WALNUT CREEK	94598	Set up workspace
DIABLO ROOTER	510112	C-36	2027-05-31	WALNUT CREEK	94596	Set up workspace
EXACT CONSTRUCTION & DEVELOPERS INC	1007771	B, C-36	2027-09-30	WALNUT CREEK	94597	Set up workspace
EXCALIBUR WATER HEATERS INC	1106329	C-36	2027-06-30	WALNUT CREEK	94595	Set up workspace
EXECUTIVE PLUMBING SERVICE	873593	C-36	2028-03-31	WALNUT CREEK	94597	Set up workspace
FREEMAN'S HEATING AIR CONDITIONING & ELECTRICAL SERVICES	519835	C-10, C-20, C-36	2027-10-31	WALNUT CREEK	94595	Set up workspace
GO BEYOND BUILDERS INC	1104756	B, C-36	2028-02-29	WALNUT CREEK	94597	Set up workspace
HEARTHSTONE BUILDING & RESTORATION	319036	B, C-10, C-20, C-36	2026-12-31	WALNUT CREEK	94598	Set up workspace
H M S	649845	C-36	2028-07-31	WALNUT CREEK	94596	Set up workspace
HUMPHREY PLUMBING	1143253	C-36	2027-09-30	WALNUT CREEK	94597	Set up workspace
LEAPFROG PLUMBING	929641	C-36	2027-03-31	WALNUT CREEK	94596	Set up workspace
LIKO INDUSTRIES INC	972470	C-36	2028-04-30	WALNUT CREEK	94596	Set up workspace
MGB PIPE WORKS INC	893155	C-36	2027-03-31	WALNUT CREEK	94598	Set up workspace
MIKE WILLIAMS PLUMBING	311842	C-36	2027-04-30	WALNUT CREEK	94596	Set up workspace
NOVIN CONSTRUCTION INC	1091697	B, C-9, C-10, C-36	2028-05-31	WALNUT CREEK	94596	Set up workspace
PHILIP V JOUKOFF	547148	C-16, C-36	2026-11-30	WALNUT CREEK	94598	Set up workspace
PRECISION PLUMBING	709108	C-36	2027-07-31	WALNUT CREEK	94597	Set up workspace
PROVIDENCE WATER HEATERS INC	1013553	C-36	2028-04-30	WALNUT CREEK	94595	Set up workspace
R.A.P. PLUMBING	1139304	C-36	2027-06-30	WALNUT CREEK	94598	Set up workspace
RIVERS PLUMBING HEATING AND AIR	406446	B, C-10, C-16, C-36	2027-06-30	WALNUT CREEK	94596	Set up workspace
ROOTER-MAN	646020	C-36, C-42	2027-12-31	WALNUT CREEK	94598	Set up workspace
RUBEN'S PLUMBING	972746	C-36	2028-05-31	WALNUT CREEK	94597	Set up workspace
SALCEDO'S GENERAL BUILDER	932453	B, C-36	2027-05-31	WALNUT CREEK	94597	Set up workspace
T-H CONSTRUCTION	521678	B, C-36	2027-12-31	WALNUT CREEK	94596	Set up workspace
WATER SERVICES	1125399	C-36	2026-08-31	WALNUT CREEK	94598	Set up workspace
WEST COAST WATERPROOFERS INC	1051682	B, C-8, C-9, C-29, C-33, C-36	2027-03-31	WALNUT CREEK	94595	Set up workspace

Quick answers

How many plumbing contractors are in WALNUT CREEK?: 36 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.