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

8 listings

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

There are 8 insulation & weatherization contractors in STOCKTON, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-03-31; 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
AL KRAMP SPECIALTIES	336039	C-2, C-10, C-35, D17, D24, D27, D51, D52	2027-03-31	STOCKTON	95208	Set up workspace
DOMINGUEZ CONSTRUCTION INC	1104617	B, C-2	2027-05-31	STOCKTON	95212	Set up workspace
MC LAUGHLIN AIR CONDITIONING CO	752342	B, C-2, C-15, C-20, C-36, C-43	2028-07-31	STOCKTON	95204	Set up workspace
R-LINE INSULATION INCORPORATED	1075141	C-2	2027-04-30	STOCKTON	95215	Set up workspace
ROBERTS FIRESTOP	478057	C-2	2028-01-31	STOCKTON	95219	Set up workspace
STOCKTON ACE HARDWARE INC	623405	B, C-2	2027-09-30	STOCKTON	95219	Set up workspace
THERMACORE INSULATION INC	1154818	C-2	2028-05-31	STOCKTON	95204	Set up workspace
THERMO BAY INSULATION	1030570	C-2	2027-08-31	STOCKTON	95212	Set up workspace

Quick answers

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