ADU CITIES Contractor Directory

Armstrong K J Construction

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

CSLB license#946543
ClassificationsB — General Building
Office of record1098 Washington Heights Place
El Cajon, CA 92019
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(619) 922-7774
Contractor bond$25,000 — Nationwide Mutual Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedMay 1, 2010
License expiresMay 31, 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.