How many plumbing contractors are in PORTLAND, CA?

4 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 PORTLAND, CA

4 listings

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

There are 4 plumbing contractors in PORTLAND, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-05-31; 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
C H MURPHY / CLARK - ULLMAN INC	588310	C-4	2028-02-29	PORTLAND	97217	Set up workspace
DRAINDOCTOR INC	1113890	C-36	2027-12-31	PORTLAND	97206	Set up workspace
HARDER MECHANICAL CONTRACTORS INC	277745	A, B, C-4, C-20, C-36	2027-05-31	PORTLAND	97208	Set up workspace
OVERMAN CONSTRUCTION	365397	B, C-10, C-36	2028-02-29	PORTLAND	97232	Set up workspace

Quick answers

How many plumbing contractors are in PORTLAND?: 4 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.