How many insulation & weatherization contractors are in PETALUMA, 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.

Insulation & Weatherization contractors in PETALUMA, CA

4 listings

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

There are 4 insulation & weatherization contractors in PETALUMA, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-03-31; 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
ACE INSULATION INCORPORATION	962891	C-2	2027-07-31	PETALUMA	94975	Set up workspace
GABBERT ACOUSTICAL INC	713754	B, C-2	2027-03-31	PETALUMA	94955	Set up workspace
SAVE ENERGY CO	440356	B, C-2, C-17	2027-05-31	PETALUMA	94952	Set up workspace
WEDGE ROOFING INC	416737	B, C-2, C-39, C-43, C-46	2028-01-31	PETALUMA	94954	Set up workspace

Quick answers

How many insulation & weatherization contractors are in PETALUMA?: 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.