How many insulation & weatherization contractors are in SAN DIEGO, CA?

30 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 SAN DIEGO, CA

30 listings

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

There are 30 insulation & weatherization contractors in SAN DIEGO, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; 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
ABS ACOUSTICS	931587	C-2	2027-04-30	SAN DIEGO	92123	Set up workspace
ADVACNED INSULATION SYSTEM	1123381	B, C-2	2028-07-31	SAN DIEGO	92111	Set up workspace
ADVANCED ACOUSTIC CONTRACTORS INC	797369	B, C-2, C-9	2027-07-31	SAN DIEGO	92126	Set up workspace
ALEXANDER ACOUSTICS	883917	C-2	2026-09-30	SAN DIEGO	92172	Set up workspace
AMERICAN ACOUSTICS	974392	C-2	2028-06-30	SAN DIEGO	92109	Set up workspace
ATTIC PROJECTS LLC	1035247	B, C-2, C-10	2026-11-30	SAN DIEGO	92121	Set up workspace
BLOC CONSTRUCTION INC	1059540	B, C-2, D50	2027-10-31	SAN DIEGO	92111	Set up workspace
B S D BUILDERS INC	879719	A, B, C-2, C-4, C-16, C-20, C-36, C-43	2028-06-30	SAN DIEGO	92111	Set up workspace
CALIFORNIA ATTIC & BUILD INC	1102807	B, C-2	2027-03-31	SAN DIEGO	92117	Set up workspace
C M FIRESTOP INC	775289	C-2	2028-02-29	SAN DIEGO	92111	Set up workspace
C M S INTERIORS INC	871262	C-2, D24, D28, D34	2028-09-30	SAN DIEGO	92121	Set up workspace
CR SPECIALTY INSULATION INC	1005200	C-2, D12	2027-12-31	SAN DIEGO	92121	Set up workspace
DARYL GRIFFIS ACOUSTICS INC	402601	C-2, D34	2027-04-30	SAN DIEGO	92110	Set up workspace
D I A S CONSTRUCTION	682098	A, B, C-2, C-7, C-10, C-33, C-36, C-51, C-54	2026-12-31	SAN DIEGO	92192	Set up workspace
DUDLEY INSULATION INC	992550	C-2	2028-07-31	SAN DIEGO	92117	Set up workspace
ECO SERVICES	290497	B, C-2, C-10, C-20, C-36, D24, D28, D35, D65	2027-04-30	SAN DIEGO	92126	Set up workspace
EMPIRE INSULATION INC	860072	B, C-2, D24, D28, D34, D65	2027-06-30	SAN DIEGO	92126	Set up workspace
EMPIRE SPECIALTIES	991212	B, C-2, C-9, C-20, C-36, D35, D65	2028-03-31	SAN DIEGO	92126	Set up workspace
FINEST CITY ACOUSTICS INC	882817	C-2, D12	2028-04-30	SAN DIEGO	92126	Set up workspace
GREAT WESTERN DRYWALL	569654	C-2, C-9	2027-06-30	SAN DIEGO	92126	Set up workspace
JERICO FIRESTOPPING	1089078	C-2, D12	2028-03-31	SAN DIEGO	92154	Set up workspace
MICROGRID BUILDERS LLC	1076848	B, C-2	2027-06-30	SAN DIEGO	92107	Set up workspace
MOXIE INSULATION SERVICES LLC	1148964	C-2	2028-01-31	SAN DIEGO	92121	Set up workspace
PACIFIC BUILDING GROUP	502376	B, C-2, C-9	2026-12-31	SAN DIEGO	92126	Set up workspace
PACIFIC RIM MECHANICAL CONTRACTORS INC	814462	B, C-2, C-4, C-20, C-36	2026-11-30	SAN DIEGO	92121	Set up workspace
R J I ACOUSTICS	1108320	C-2	2027-08-31	SAN DIEGO	92128	Set up workspace
SAFEGUARD MECHANICAL INSULATION	1105448	C-2, D64	2027-06-30	SAN DIEGO	92108	Set up workspace
SMART ROOFING AND RESTORATION	1117548	B, C-2, C-39	2028-03-31	SAN DIEGO	92126	Set up workspace
SOUNDPROOF SAN DIEGO INC	1028422	B, C-2	2027-06-30	SAN DIEGO	92108	Set up workspace
SPECIALTY ACOUSTICS INC	1059778	C-2	2027-10-31	SAN DIEGO	92153	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SAN DIEGO?: 30 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.