How many insulation & weatherization contractors are in SPRING VALLEY, CA?

3 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 SPRING VALLEY, CA

3 listings

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

There are 3 insulation & weatherization contractors in SPRING VALLEY, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-05-31; 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
BARRE INSULATION INC	1054149	C-2	2027-05-31	SPRING VALLEY	91977	Set up workspace
SPECIALIZED SYSTEMS & INSULATION INC	992121	C-2	2028-04-30	SPRING VALLEY	91979	Set up workspace
SPRING VALLEY INSULATION CONTRACTORS	202032	C-2, D24	2027-12-31	SPRING VALLEY	91977	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SPRING VALLEY?: 3 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.