How many roofing & gutters contractors are in DIAMOND BAR, CA?

5 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.

Roofing & Gutters contractors in DIAMOND BAR, CA

5 listings

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

There are 5 roofing & gutters contractors in DIAMOND BAR, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-01-31; 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
IMPERIUM ROOFING INC	1141782	C-39	2027-08-31	DIAMOND BAR	91765	Set up workspace
KERTLAND ROOFING INC	510174	B, C-39	2027-05-31	DIAMOND BAR	91765	Set up workspace
PARK S ROOFING USA	1142782	C-39	2027-08-31	DIAMOND BAR	91765	Set up workspace
SUNSHINE ROOFING INC	755126	C-39	2027-01-31	DIAMOND BAR	91765	Set up workspace
THE HOT MOPPER	978099	C-39	2028-05-31	DIAMOND BAR	91765	Set up workspace

Quick answers

How many roofing & gutters contractors are in DIAMOND BAR?: 5 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.