How many solar & energy upgrades contractors are in SAN MARCOS, 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 SAN MARCOS, CA

3 listings

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

There are 3 solar & energy upgrades contractors in SAN MARCOS, 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
ALL MERCHANT SERVICES GROUP INC DBA INFINITE TECHNOLOGIES	1026676	C-7, C-46	2027-05-31	SAN MARCOS	92078	Set up workspace
DOUGLAS MILLER CONSTRUCTION	773646	B, C-46	2028-06-30	SAN MARCOS	92078	Set up workspace
PRECISION SOLAR INC	921105	C-46	2026-10-31	SAN MARCOS	92069	Set up workspace

Quick answers

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