Preston Pipelines Infrastructure Llc
Preston Pipelines Infrastructure Llc is an active, licensed contractor operating in Milpitas, CA. Operating under a California contractor license established in 2019. They hold 6 license classifications including A General Engineering Contractor, C-10 Electrical Contractor, and 4 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
- 1059395
- Status
- Active
- Classification(s)
- A: General Engineering Contractor, C-10: Electrical Contractor, C-16: Fire Protection Contractor, C-34: Pipeline Contractor, C-42: Sanitation System Contractor, HAZ: Hazardous Substance Removal Certification
- Tenure
- Licensed since 2019 (6 years)
- Issue Date
- October 18, 2019
- Expiration Date
- October 31, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – LIBERTY MUTUAL INSURANCE COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – ZURICH AMERICAN INSURANCE 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
- 133 BOTHELO AVE
- City
- Milpitas, CA
- ZIP Code
- 95035
- Phone
- (408) 262-1418
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-10: Electrical Contractor
Places, installs, erects, or connects electrical wires, fixtures, appliances, apparatus, raceways, conduits, solar photovoltaic cells, or any part thereof which generate, transmit, transform, or utilize electrical energy.
Not authorized: Electricians working under a C-10 must be certified per CA Labor Code.
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-34: Pipeline Contractor
Fabricates and installs pipelines for conveyance of fluids such as water, gas, or petroleum, including protective coatings and the trenching, boring, shoring, backfilling, compacting, paving, and surfacing to complete installation.
C-42: Sanitation System Contractor
Fabricates and installs cesspools, septic tanks, storm drains, and other sewage disposal and drain structures, including cast iron, steel, concrete, and vitreous pipe.
HAZ: Hazardous Substance Removal Certification
An add-on certification for removal of hazardous substances. Only issued to contractors holding A, B, C-12, C-21, C-36, C-57, or C-61/D-40 licenses.
Not authorized: Restricted to contractors holding qualifying base licenses.
Verify on Official CSLB Website
License data sourced from the California Contractors State License Board. Last data update: February 20, 2026.