PRESTON PIPELINES INFRASTRUCTURE LLC
California contractor license #1059395 · Milpitas, Santa Clara County
License
- License number
- 1059395
- Status
- Clear
- Classifications
- 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
- Business type
- Limited Liability
- Issued
- Oct 18, 2019
- Expires
- Oct 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Liberty Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2026. Verify license #1059395 on CSLB's License Check.
California public works
PRESTON PIPELINES INFRASTRUCTURE LLC appears on 133 public works projects registered with the California Department of Industrial Relations, 3 of them as the prime contractor, for 88 awarding bodies between 2001 and 2026. Projects it led total $4,539,800 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 16, 2026 | Cirby Way Water Pipeline RepairPaving & streets | City of Roseville - Environmental Utilites Department | Prime | $3,677,500 |
| Jul 27, 2026 | Northwest Quadrant Redundant SteamOther | University of CA-Berkeley | Subcontractor | $519,458 |
| May 22, 2026 | Clean Energy Campus - DistributionHVAC & mechanical | University of CA-Berkeley | Subcontractor | $5,914,000 |
| Mar 3, 2026 | ECSCBuildings & facilities | Contra Costa County Public Works Department | Subcontractor | $147,490,087 |
| Nov 14, 2025 | El Cerrito Plaza - Parcel A SouthBuildings & facilities | ECP Parcel A South Housing Partners, L.P. | Subcontractor | $46,234,275 |
| Nov 4, 2025 | Science Bldg, Phase 1Buildings & facilities | Sierra Joint Community College District | Subcontractor | $61,417,000 |
| Nov 3, 2025 | Bay FC Training FacilityParks, landscape & fields | Treasure Island Development Authority | Subcontractor | $39,801,944 |
| Oct 21, 2025 | LupinaOther | Almaden Affordable Housing, L.P. | Subcontractor | $68,237,467 |
| Oct 10, 2025 | North Sacramento Hagginwood LibraryRoofing | City of Sacramento Department of General Services | Subcontractor | $7,076,000 |
| Oct 1, 2025 | SAN ANTONIO CAMPUSBuildings & facilities | Los Altos School District | Subcontractor | $90,000,000 |
| Oct 1, 2025 | Balboa Reservoir Street Improvement ProjWater | Mayor''s Office of Housing and Community Development | Subcontractor | $35,500,000 |
| Sep 16, 2025 | Washington Manor New BuildingBuildings & facilities | San Lorenzo Unified School District 2 | Subcontractor | $150,000 |
| Sep 5, 2025 | AWA Camanche and AWS Service ReplacementWater | Amador Water Agency | Subcontractor | $1,019,400 |
| Aug 21, 2025 | TK Expansion ProjectOther | San Carlos School District | Subcontractor | $35,886,824 |
| Aug 21, 2025 | SMCEC - Redwood Resiliency ProjectOther | San Mateo Exposition and Fair Association, dba San Mateo County Event Center | Subcontractor | $15,996,027 |
| Aug 20, 2025 | C. K. McClatchy HS Pool ModernizationParks, landscape & fields | Sacramento City Unified School District | Subcontractor | $26,029,206 |
| Jul 30, 2025 | Algarve Community ApartmentsDemolition & site work | Allied 1135 East Santa Clara LLC | Subcontractor | $44,000,000 |
| Jul 22, 2025 | Grantline 208 ES, Phase 4DELETEBuildings & facilities | Elk Grove Unified School District | Subcontractor | — |
| Jul 8, 2025 | Residence Hall Road ReplacementPaving & streets | Cal Poly State University, San Luis Obispo | Subcontractor | $5,941,639 |
| Jun 11, 2025 | 5th St ExtensionPaving & streets | Downtown Railyard Venture, LLC | Subcontractor | $4,142,450 |
| Jun 11, 2025 | SOLAR INSTALLATION - 2025Solar, EV & energy | Clovis Unified School District | Subcontractor | $8,104,063 |
| Jun 5, 2025 | KHS Phases 1.1 & 1.2 Mod ProjecBuildings & facilities | West Contra Costa Unified School District | Subcontractor | $14,865,194 |
| Jun 4, 2025 | Pombo Elementary K-8Buildings & facilities | Lammersville Unified School District | Subcontractor | $60,946,404 |
| May 20, 2025 | 2025 Summer Relocatable ClassroomsBuildings & facilities | Elk Grove Unified School District | Subcontractor | $6,025,639 |
| May 6, 2025 | CIP 73148 - International Parkway BridgeBridges & structures | City of Tracy | Subcontractor | $14,125,000 |
Most recent 25 of 133. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- Elk Grove Unified School District · 10 projects
- UC Davis Health System - Facilities Design & Construction · 5 projects
- City of San Jose · 5 projects
- County of San Mateo PDU · 4 projects
- County of San Mateo Executive''s Office · 4 projects
- University of CA-Berkeley · 4 projects
- University of California, Davis, Design and Construction Management · 3 projects
- Ameresco, Inc. · 3 projects
- University of California Santa Cruz · 3 projects
- Tamien Affordable L.P. · 2 projects
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