How many plumbing contractors are in MILL VALLEY, CA?

9 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 MILL VALLEY, CA

9 listings

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

There are 9 plumbing contractors in MILL VALLEY, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-24; 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
ALTIUS HOME SERVICES	914976	B, C-9, C-10, C-35, C-36	2028-07-31	MILL VALLEY	94942	Set up workspace
BAYSIDE REMODELING AND CONSTRUCTION	680332	B, C-27, C-36	2027-11-30	MILL VALLEY	94941	Set up workspace
D BENJAMIN CAHN DBA ZION ENGINEERING	440082	A, C-16, C-36	2027-05-31	MILL VALLEY	94941	Set up workspace
DELTA T PLUMBING	1122448	C-36	2028-06-30	MILL VALLEY	94941	Set up workspace
DILL PLUMBING COMPANY	980312	C-36	2027-01-31	MILL VALLEY	94941	Set up workspace
INNOVATIVE PIPING SYSTEMS	728645	C-36	2026-10-31	MILL VALLEY	94941	Set up workspace
PEDRO FEMENIA & SONS INC	392227	C-4, C-16, C-20, C-36	2026-09-30	MILL VALLEY	94942	Set up workspace
PETERSEN PLUMBING SERVICES INC	932251	C-36	2027-05-31	MILL VALLEY	94942	Set up workspace
ZAK PLUMBING CO	654608	C-36	2026-09-24	MILL VALLEY	94942	Set up workspace

Quick answers

How many plumbing contractors are in MILL VALLEY?: 9 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.