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

4 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 LIVERMORE, CA

4 listings

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

There are 4 solar & energy upgrades contractors in LIVERMORE, 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
ALL ON ELECTRIC INC	944973	C-10, C-46	2027-04-30	LIVERMORE	94550	Set up workspace
DEHARO CONSTRUCTION INC	683104	B, C-46	2028-04-30	LIVERMORE	94550	Set up workspace
EAGLE AIR	668002	C-20, C-46	2027-03-31	LIVERMORE	94550	Set up workspace
ROBERT JAMES CORTEZ	606942	C-20, C-36, C-46	2026-11-30	LIVERMORE	94551	Set up workspace

Quick answers

How many solar & energy upgrades contractors are in LIVERMORE?: 4 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.