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

3 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 LUIS OBISPO, CA

3 listings

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

There are 3 insulation & weatherization contractors in SAN LUIS OBISPO, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-04-30; 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
A M WIGHTON AND SONS DBA A & J REFRIGERATION	488379	C-2, C-20, C-38	2028-03-31	SAN LUIS OBISPO	93401	Set up workspace
CENTRAL COAST INSULATION INC	1052324	C-2	2027-04-30	SAN LUIS OBISPO	93403	Set up workspace
H GALE KYLE INC DBA KYLE COMPANY ROOFING	482290	B, C-2, C-20, C-39, C-43	2027-11-30	SAN LUIS OBISPO	93406	Set up workspace

Quick answers

How many insulation & weatherization contractors are in SAN LUIS OBISPO?: 3 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.