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

7 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 CHATSWORTH, CA

7 listings

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

There are 7 insulation & weatherization contractors in CHATSWORTH, 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
ADVANCED ATTIC SOLUTIONS	1046819	A, B, C-2, C-39	2026-11-30	CHATSWORTH	91311	Set up workspace
ELM INSULATION & SOUND SOLUTIONS	1122923	C-2	2028-06-30	CHATSWORTH	91311	Set up workspace
PROGRESSIVE INSULATION & WINDOWS	418046	B, C-2, C-17	2028-02-29	CHATSWORTH	91311	Set up workspace
PURE ECO INC	993589	C-2, C-20	2028-06-30	CHATSWORTH	91311	Set up workspace
SERVICE GENIUS CORPORATION	1030812	C-2, C-10, C-20, C-36	2027-09-30	CHATSWORTH	91311	Set up workspace
YM INSULATION	1047533	C-2	2026-12-31	CHATSWORTH	91311	Set up workspace
YOHAI PINTO	1133049	C-2	2027-02-28	CHATSWORTH	91311	Set up workspace

Quick answers

How many insulation & weatherization contractors are in CHATSWORTH?: 7 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.