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

8 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 CARLSBAD, CA

8 listings

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

There are 8 insulation & weatherization contractors in CARLSBAD, 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
ATTIC ADVISOR	1067298	B, C-2	2028-07-31	CARLSBAD	92008	Set up workspace
CALIFORNIA FIRE STOP INC	991135	C-2, D12	2028-03-31	CARLSBAD	92008	Set up workspace
DEMPSEY CONSTRUCTION INC	945467	B, C-2, C-5, C-8, C-9, D28, D50	2028-09-30	CARLSBAD	92008	Set up workspace
ENERGY EFFICIENCY AC	1026683	ASB, B, C-2, C-10, C-17, C-20	2027-05-31	CARLSBAD	95608	Set up workspace
ISC	1039696	C-2, D12	2028-05-31	CARLSBAD	92008	Set up workspace
SEASIDE SPECIALTY CONSTRUCTION INC	631072	B, C-2	2028-01-31	CARLSBAD	92011	Set up workspace
SYNERGY EE INC	945168	ASB, B, C-2, C-10, C-17, C-20, C-22, C-36, C-46	2028-04-30	CARLSBAD	92013	Set up workspace
SYNERGY ENTERPRISES INC	804759	ASB, B, C-2, C-10, C-17, C-20, C-22, D63	2028-02-29	CARLSBAD	92013	Set up workspace

Quick answers

How many insulation & weatherization contractors are in CARLSBAD?: 8 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.