How many insulation & weatherization contractors are in SANTA FE SPRINGS, CA?

5 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 SANTA FE SPRINGS, CA

5 listings

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

There are 5 insulation & weatherization contractors in SANTA FE SPRINGS, 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
CASTLEROCK ENVIRONMENTAL INC	776105	A, ASB, B, C-2, C-15, C-21, C-22, HAZ	2028-03-31	SANTA FE SPRINGS	90670	Set up workspace
INTERIOR PLUS INC	760890	B, C-2, C-9	2027-03-31	SANTA FE SPRINGS	90670	Set up workspace
KERCO INC	608312	C-2	2028-06-30	SANTA FE SPRINGS	90670	Set up workspace
M2 BUILDING SOLUTIONS INC	982072	A, ASB, B, C-2, C-15, C-21, C-22, HAZ	2027-03-31	SANTA FE SPRINGS	90670	Set up workspace
OTTER INSULATION LLC	1109322	C-2	2027-08-31	SANTA FE SPRINGS	90670	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SANTA FE SPRINGS?: 5 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.