Wipf General Engineering
Wipf General Engineering is an active, licensed contractor operating in Ukiah, CA. Operating under a California contractor license established in 1991. They hold 3 license classifications including A General Engineering Contractor, C-16 Fire Protection Contractor, and 1 others. They currently maintain an active contractor bond and workers' compensation insurance. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 629598
- Status
- Active
- Classification(s)
- A: General Engineering Contractor, C-16: Fire Protection Contractor, C-31: Construction Zone Traffic Control Contractor
- Tenure
- Licensed since 1991 (34 years)
- Issue Date
- September 25, 1991
- Expiration Date
- November 30, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – WESTERN SURETY COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – SERVICE AMERICAN INDEMNITY COMPANY
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- PO BOX 234
- City
- Ukiah, CA
- ZIP Code
- 95482
- Phone
- (707) 462-8741
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About These License Types
A: General Engineering Contractor
Authorizes construction of fixed works requiring specialized engineering knowledge and skill, including irrigation, drainage, water power, water supply, flood control, inland waterways, harbors, docks, shipyards, dams, hydroelectric projects, levees, railroads, highways, tunnels, airports, sewers, bridges, pipelines, parks, refineries, and power plants.
Not authorized: Does not authorize work under a Class B General Building Contractor license or any specialty (C) classification unless incidental to the engineering project.
C-16: Fire Protection Contractor
Lays out, fabricates, and installs all types of fire protection systems including all associated equipment.
Not authorized: Does not include electrical alarm systems.
C-31: Construction Zone Traffic Control Contractor
Prepares or removes lane closures, flagging, or traffic diversions using portable devices such as cones, delineators, barricades, sign stands, flashing beacons, arrow trailers, and changeable message signs on roadways.
Licensing Resources
Workers' comp requirements for California contractors
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: May 31, 2026.