How many solar & energy upgrades contractors are in BERKELEY, CA?

6 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 BERKELEY, CA

6 listings

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

There are 6 solar & energy upgrades contractors in BERKELEY, 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
A1 SUN INC	891743	B, C-46	2027-02-28	BERKELEY	94710	Set up workspace
MCHUGH SOLAR	989500	C-46	2028-01-31	BERKELEY	94703	Set up workspace
PARTICIPANT ENERGY CALIFORNIA INC	1014673	C-46	2028-05-31	BERKELEY	94707	Set up workspace
SOLINSURE	982727	C-46	2027-04-30	BERKELEY	94702	Set up workspace
SUN LIGHT & POWER	326203	B, C-10, C-46	2027-07-31	BERKELEY	94710	Set up workspace
SUN LIGHT & POWER SOLUTIONS	1131368	B, C-46	2027-01-31	BERKELEY	94710	Set up workspace

Quick answers

How many solar & energy upgrades contractors are in BERKELEY?: 6 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.