How many solar & energy upgrades contractors are in STOCKTON, 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.

Solar & Energy Upgrades contractors in STOCKTON, CA

3 listings

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

There are 3 solar & energy upgrades contractors in STOCKTON, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; 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
COOL EARTH SOLAR DEVELOPMENT LLC	996520	C-10, C-46	2026-09-30	STOCKTON	95215	Set up workspace
HANLEY CONSTRUCTION	434631	B, C-8, C-10, C-46, D28	2027-02-28	STOCKTON	95201	Set up workspace
NORCAL SOLAR SERVICES	1075418	C-46	2027-05-31	STOCKTON	95215	Set up workspace

Quick answers

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