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Listed from CSLB's public license file · unclaimed

BYINGTON ELECTRIC

San Francisco, CA 94110 · San Francisco County · Corporation
✓License Verified CSLB file · Oct 20, 2026
Licensed for C-10 Electrical. Double-check this license at CSLB → (enter #253479 on CSLB's Check a License page)

License facts from CSLB

License number#253479
Status in CSLB file● CLEAR (active)
Pending suspensionNone in CSLB file
ClassificationsC-10 Electrical
Issued / expiresJul 2, 1968 · expires Mar 31, 2027
Business typeCorporation
Phone on file(415) 621-6500
Contractor's bond$25,000 on file · surety: MERCHANTS BONDING COMPANY (MUTUAL) · effective Feb 28, 2023
Workers' compensationPolicy on file with STARSTONE NATIONAL INSURANCE COMPANY, expires Oct 1, 2027
Checked against CSLB fileOct 20, 2026

Source: CSLB Public Data Portal, License Master file dated Oct 20, 2026. Status can change at any time, so confirm it with CSLB's Instant License Check before you sign. A CSLB record doesn't show general liability insurance, so ask for a certificate. The License Verified stamp means the license was active in that day's file with no CSLB flag on it. It isn't a rating, a recommendation, or a promise about workmanship.

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Electrical in San Francisco

All licensed trades in San Francisco · How to check a contractor's license