How many plumbing contractors are in GUERNEVILLE, 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 GUERNEVILLE, CA

4 listings

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

There are 4 plumbing contractors in GUERNEVILLE, 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
CALSTROY	933697	A, B, C-10, C-36	2027-06-30	GUERNEVILLE	95446	Set up workspace
MADCON BUILDERS	1146541	B, C-4	2027-11-30	GUERNEVILLE	95446	Set up workspace
MORRELL PLUMBING	1124994	C-36	2028-08-31	GUERNEVILLE	95446	Set up workspace
PINE RIDGE PLUMBING	1080579	C-36	2027-08-31	GUERNEVILLE	95446	Set up workspace

Quick answers

How many plumbing contractors are in GUERNEVILLE?: 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.