Chongson Construction CO.

Chongson Construction CO. is a California corporation based in San Francisco (San Francisco County) with contractor license #642065 (B), first issued in 1992. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 3 permits under this name, 3 of them home projects (remodel & repair). The latest permit is from Oct 13, 2026. The license lists a contractor bond and an exemption from workers' compensation (no employees).

3permits 2025–26
3home-project permits
34years licensed
Oct 13, 2026latest permit

(415) 816-2932

Business phone (CSLB)

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License

License #642065
StatusActive, no violations
ClassesB
Business typecorporation
Issued / ExpiresApr 11, 1992 / Mar 31, 2027
Contractor bondYes
Workers' compExempt (no employees)
Based inSan Francisco, San Francisco County

Recent permits

DateWorkAreaDeclared valueStatus
Oct 13, 2026Remodel & repair94112 · Excelsior / Outer Mission$800Issued
Oct 13, 2026Remodel & repair94112 · Excelsior / Outer Mission$4,200Issued
Mar 14, 2025Remodel & repair94122 · Sunset/Parkside / Inner Sunset$54,474Finaled

Street addresses of homeowners are never shown.

Work on permits

Remodel & repair · 3 permits

Where they work

94112 · Excelsior / Outer Mission · 2 permits94122 · Sunset/Parkside / Inner Sunset · 1 permit

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