How many electrical & lighting contractors are in SUMNER, CA?

2 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.

Electrical & Lighting contractors in SUMNER, CA

2 listings

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

There are 2 electrical & lighting contractors in SUMNER, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2028-04-30; 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
POTELCO INC	777857	C-10	2028-04-30	SUMNER	98390	Set up workspace
SEFNCO COMMUNICATIONS INC	913292	A, C-7	2028-04-30	SUMNER	98390	Set up workspace

Quick answers

How many electrical & lighting contractors are in SUMNER?: 2 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.