How many insulation & weatherization contractors are in ATASCADERO, 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 ATASCADERO, CA

3 listings

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

There are 3 insulation & weatherization contractors in ATASCADERO, 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
NORTH COUNTY INSULATION INC	616553	C-2	2028-03-31	ATASCADERO	93423	Set up workspace
WOODWARD ACOUSTICS INC	600439	C-2, C-9	2028-08-31	ATASCADERO	93423	Set up workspace
WYSONG CONSTRUCTION COMPANY	471850	A, B, C-2, C-6, C-7, C-8	2027-04-30	ATASCADERO	93422	Set up workspace

Quick answers

How many insulation & weatherization contractors are in ATASCADERO?: 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.