How many insulation & weatherization contractors are in THOUSAND OAKS, 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 THOUSAND OAKS, CA

3 listings

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

There are 3 insulation & weatherization contractors in THOUSAND OAKS, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-11-30; 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
CALI-U S A ACOUSTICS INC	500880	B, C-2, C-9, D50	2026-11-30	THOUSAND OAKS	91320	Set up workspace
HARVEY AINGWORTH ACOUSTIC CEILINGS	715743	C-2	2027-11-30	THOUSAND OAKS	91360	Set up workspace
VENTURA COUNTY ACOUSTICS	1017989	C-2	2028-09-30	THOUSAND OAKS	91360	Set up workspace

Quick answers

How many insulation & weatherization contractors are in THOUSAND OAKS?: 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.