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

4 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 IRVINE, CA

4 listings

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

There are 4 insulation & weatherization contractors in IRVINE, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-10-31; 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
ATTIC CONSTRUCTION OC	1058682	B, C-2	2027-09-30	IRVINE	92606	Set up workspace
ELLJAY ACOUSTICS INC	1082089	C-2, C-9	2027-10-31	IRVINE	92618	Set up workspace
INSULATION NATION LLC	1127373	C-2	2026-10-31	IRVINE	92618	Set up workspace
INTEX DRYWALL INC	851471	C-2, C-9	2027-08-31	IRVINE	92618	Set up workspace

Quick answers

How many insulation & weatherization contractors are in IRVINE?: 4 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.