How many insulation & weatherization contractors are in SAN LEANDRO, CA?

10 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 LEANDRO, CA

10 listings

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

There are 10 insulation & weatherization contractors in SAN LEANDRO, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-11-30; 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
ALLEY CAT CREATIONS	1018396	C-2, D24	2027-05-31	SAN LEANDRO	94577	Set up workspace
ARR'E INSULATION SERVICES	1135868	C-2	2027-04-30	SAN LEANDRO	94578	Set up workspace
ATTIC SOLUTIONS OF CALIFORNIA LLC	1146271	C-2	2027-11-30	SAN LEANDRO	94577	Set up workspace
BOLD RESTORATION INC	1018292	B, C-2, C-33, D39	2026-11-30	SAN LEANDRO	94577	Set up workspace
IMPERIAL INSULATION LLC	1144362	C-2	2027-11-30	SAN LEANDRO	94577	Set up workspace
RIDOUT ROOFING COMPANY INC	260176	C-2, C-39, C-46, D24	2027-04-30	SAN LEANDRO	94577	Set up workspace
RYWEN INSULATION INC	1140414	C-2	2027-07-31	SAN LEANDRO	94577	Set up workspace
SRS ROOFING & SOLAR INC	1062963	C-2, C-39, C-46, D24	2028-02-29	SAN LEANDRO	94577	Set up workspace
STERLING ENVIRONMENTAL CORPORATION	537909	A, ASB, C-2, C-22	2028-08-31	SAN LEANDRO	94577	Set up workspace
UNITED ACOUSTICS	299690	C-2	2028-02-29	SAN LEANDRO	94577	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SAN LEANDRO?: 10 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.