How many insulation & weatherization contractors are in SAN RAFAEL, 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 SAN RAFAEL, CA

4 listings

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

There are 4 insulation & weatherization contractors in SAN RAFAEL, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-04-30; 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
ECO ATTIC SYSTEMS	1082470	C-2	2027-10-31	SAN RAFAEL	94903	Set up workspace
GILMORE COMPANY	941806	C-2, C-4, C-10, C-20, C-36, C-38, C-43	2028-08-31	SAN RAFAEL	94901	Set up workspace
O MIKE'S CONSTRUCTION COMPANY INC	778916	B, C-2, C-9	2027-04-30	SAN RAFAEL	94901	Set up workspace
SAN FRANCISCO INTERIORS INC	804224	C-2	2028-02-29	SAN RAFAEL	94903	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SAN RAFAEL?: 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.