James Wimmer

James Wimmer is a California sole owner based in Martinez (Contra Costa County) with contractor license #747021 (B, C-33), first issued in 1998. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 1 permit under this name, 1 of them home projects (kitchen & bath). The latest permit is from May 18, 2026. The license lists a contractor bond and an exemption from workers' compensation (no employees).

1permit 2025–26
1home-project permit
28years licensed
May 18, 2026latest permit

(925) 787-8489

Business phone (CSLB)

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License

License #747021
StatusActive, no violations
ClassesB, C-33
Business typesole owner
Issued / ExpiresMar 13, 1998 / Sep 30, 2028
Contractor bondYes
Workers' compExempt (no employees)
Based inMartinez, Contra Costa County

Recent permits

DateWorkAreaDeclared valueStatus
May 18, 2026Kitchen & bath remodel94127 · West of Twin Peaks$50,000Finaled

Street addresses of homeowners are never shown.

Work on permits

Kitchen & bath remodel · 1 permit

Where they work

94127 · West of Twin Peaks · 1 permit

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