How many insulation & weatherization contractors are in ROCKLIN, 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 ROCKLIN, CA

4 listings

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

There are 4 insulation & weatherization contractors in ROCKLIN, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-09-30; 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
BROWER MECHANICAL CA LLC	1081055	B, C-2, C-10, C-20, C-36, C-46	2027-09-30	ROCKLIN	95677	Set up workspace
GS WILLIAMS INC DBA SOUND SOLUTION GROUP	837506	C-2, C-7, C-10	2028-05-31	ROCKLIN	95765	Set up workspace
INSULATION SOLUTIONS	920558	C-2	2028-08-31	ROCKLIN	95765	Set up workspace
PAT BAIRD ACOUSTICS INC	731213	C-2, D50	2028-04-30	ROCKLIN	95677	Set up workspace

Quick answers

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