How many plumbing contractors are in CINCINNATI, CA?

3 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 CINCINNATI, CA

3 listings

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

There are 3 plumbing contractors in CINCINNATI, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-06-30; 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
CHAMPION CLEANING SPECIALISTS INC	1105799	C-42	2027-06-30	CINCINNATI	45236	Set up workspace
EMCOR FACILITIES SERVICES INC	951481	B, C-10, C-20, C-36	2028-08-31	CINCINNATI	45215	Set up workspace
ROTO-ROOTER SERVICES COMPANY DBA NUROTOCO	806952	A, C-36	2028-04-30	CINCINNATI	45202	Set up workspace

Quick answers

How many plumbing contractors are in CINCINNATI?: 3 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.