How many insulation & weatherization contractors are in FREMONT, CA?

9 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 FREMONT, CA

9 listings

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

There are 9 insulation & weatherization contractors in FREMONT, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; 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
AD-IN INCORPORATED	655165	C-2	2026-09-30	FREMONT	94538	Set up workspace
ALL STATE INSULATION INC	1148090	C-2	2027-12-31	FREMONT	94536	Set up workspace
ATTICAL INC	1126472	C-2	2028-09-30	FREMONT	94555	Set up workspace
BAYSIDE INTERIORS INC	454203	B, C-2, C-9, C-33, D28	2028-03-31	FREMONT	94539	Set up workspace
BAY VALLEY INSULATION INC	546944	B, C-2, C-17	2027-07-31	FREMONT	94538	Set up workspace
MARCO ROOFING COMPANY	402961	B, C-2, C-39	2027-04-30	FREMONT	94538	Set up workspace
NEDCO CONSTRUCTION DEVELOPMENT CO	316496	B, C-2, C-9, C-33	2028-08-31	FREMONT	94539	Set up workspace
PACIFIC COAST TERMITE INC	1060229	C-2	2027-11-30	FREMONT	94538	Set up workspace
T 3 INC	805816	C-2, C-33	2028-03-31	FREMONT	94539	Set up workspace

Quick answers

How many insulation & weatherization contractors are in FREMONT?: 9 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.