ADU CITIES Contractor Directory

Preferred Electrical Contractors Inc

● Active — license status verified against CSLB public data as of November 6, 2026

CSLB license#427052
ClassificationsC-10 — Electrical
Office of record20724 Loyalton Dr
Walnut, CA 91789
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 208-7870
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Workers' Compensation Insurance — Technology Insurance Company Inc
Business typeCorporation
License issuedSeptember 1, 1982
License expiresSeptember 30, 2028

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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.