How many solar & energy upgrades contractors are in GRASS VALLEY, 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.

Solar & Energy Upgrades contractors in GRASS VALLEY, CA

5 listings

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

There are 5 solar & energy upgrades contractors in GRASS VALLEY, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-10-31; 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
BETMAR CONSTRUCTION	935976	B, C-46	2027-07-31	GRASS VALLEY	95949	Set up workspace
BREWER REFRIGERATION HEATING AND AIRCONDITIONING INC	608848	C-20, C-38, C-46	2027-01-31	GRASS VALLEY	95945	Set up workspace
GRASS VALLEY AIR CONDITIONING INC	543093	C-10, C-20, C-36, C-43, C-46	2026-10-31	GRASS VALLEY	95945	Set up workspace
THOMAS J IVY	776172	B, C-36, C-46	2028-05-31	GRASS VALLEY	95945	Set up workspace
T-REX SOLAR INC	1081160	C-46	2027-09-30	GRASS VALLEY	95945	Set up workspace

Quick answers

How many solar & energy upgrades contractors are in GRASS VALLEY?: 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.