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

5 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 DIMAS, CA

5 listings

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

There are 5 insulation & weatherization contractors in SAN DIMAS, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-01-31; 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
AMERICAN SERVICES GROUP OF CALIFORNIA INC	769061	ASB, C-2, C-22, C-39	2027-09-30	SAN DIMAS	91733	Set up workspace
MARTIN A ROGERS INC	928843	A, B, C-2	2027-02-28	SAN DIMAS	91773	Set up workspace
R E DRYWALL CONTRACTING INC	584494	C-2, C-9	2027-01-31	SAN DIMAS	91773	Set up workspace
WALLCRAFT DRYWALL INC	1064617	C-2, C-9	2028-03-31	SAN DIMAS	91773	Set up workspace
WILTSHIRE URETHANE FOAM COMPANY	1008304	C-2, C-39	2027-10-31	SAN DIMAS	91773	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SAN DIMAS?: 5 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.