MC MAHON ENGINEERING CONSTRUCTION
California contractor license #1009853 · Escondido, San Diego County
License
- License number
- 1009853
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Dec 21, 2015
- Expires
- Dec 31, 2027
- Workers' compensation
- Leasing Firm, Temp Agency, Etc — Ace American Insurance Company
- Contractor's bond
- $25,000 — Merchants Bonding Company (Mutual)
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Aug 12, 2026. Verify license #1009853 on CSLB's License Check.
California public works
MC MAHON ENGINEERING CONSTRUCTION appears on 56 public works projects registered with the California Department of Industrial Relations, for 33 awarding bodies between 2016 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| May 18, 2026 | Phase 2 Solar Canopy and Battery StorageSolar, EV & energy | South Orange County Community College District | Subcontractor | $17,389,000 |
| Apr 20, 2026 | Resolution No. 2025-26-03Electrical, low voltage & AV | Moreno Valley Unified School District | Subcontractor | $2,364,340 |
| Apr 20, 2026 | Rancho Tower Mod - ATT - A#04-123967Buildings & facilities | IRVINE UNIFIED SCHOOL DISTRICT M&O | Subcontractor | $30,000 |
| Apr 1, 2026 | Seal Beach SolarSolar, EV & energy | Mitchell Land and Improvement Co. | Subcontractor | $1,540,000 |
| Mar 23, 2026 | Energy ServicesSolar, EV & energy | North Kern South Tulare Hospital District | Subcontractor | $8,817,544 |
| Feb 2, 2026 | Monterey Crossing FamilyOther | UPMO Family SLO LP | Subcontractor | $33,237,056 |
| Jan 23, 2026 | Fire Station 1 Solar CanopySolar, EV & energy | City of San Luis Obispo | Subcontractor | — |
| Jan 16, 2026 | Transit Yard Solar CanopySolar, EV & energy | City of San Luis Obispo | Subcontractor | — |
| Jan 16, 2026 | Sinsheimer Swim Center Solar CanopySolar, EV & energy | City of San Luis Obispo | Subcontractor | — |
| Jan 5, 2026 | Energy and Water InfrastructureBuildings & facilities | City of Lemoore | Subcontractor | $24,072,633 |
| Dec 2, 2025 | Righetti Ranch Parks - Community ParkPlumbing & restrooms | City of San Luis Obispo | Subcontractor | $13,603,812 |
| Jul 4, 2025 | Victor Valley College PV ProjectSolar, EV & energy | Victor Valley College | Subcontractor | — |
| Apr 15, 2025 | Morena PipelineOther | City of San Diego | Subcontractor | $63,132,436 |
| Apr 4, 2025 | Rea Playground/ShadeParks, landscape & fields | Newport-Mesa Unified School District | Subcontractor | $567,580 |
| Apr 4, 2025 | Pomona Playground/ShadeParks, landscape & fields | Newport-Mesa Unified School District | Subcontractor | $963,131 |
| Apr 4, 2025 | Paularino Playground/ShadeParks, landscape & fields | Newport-Mesa Unified School District | Subcontractor | $566,012 |
| Apr 4, 2025 | Paularino Playground/ShadeParks, landscape & fields | Newport-Mesa Unified School District | Subcontractor | $405,337 |
| Apr 4, 2025 | Newport Coast Playground/ShadeParks, landscape & fields | Newport-Mesa Unified School District | Subcontractor | $579,352 |
| Apr 4, 2025 | Woodland Playground/ShadeParks, landscape & fields | Newport-Mesa Unified School District | Subcontractor | $880,575 |
| Mar 4, 2025 | DISTRICT WIDE ENERGY EFFICIENCY, RENEWABBuildings & facilities | San Bernardino City USD | Subcontractor | $52,995,697 |
| Feb 18, 2025 | Eucalyptus Storm DrainStorm drain & flood control | Prologis L.P. | Subcontractor | $4,913,107 |
| Jan 2, 2025 | 5989 San Dimas Ave. USD SD EmergencyOther | City of San Diego | Subcontractor | $3,000,000 |
| Nov 26, 2024 | 194738230-Housing Prog PWA 6 Bldg ADemolition & site work | Cal Poly State University, San Luis Obispo | Subcontractor | $124,952,778 |
| Nov 19, 2024 | Big Bear Alphine Zoo Shade StructuresBuildings & facilities | San Bernardino County - Department of Public Works - Special Districts | Subcontractor | $1,004,918 |
| Nov 5, 2024 | Lake Cahuilla ModernizationPaving & streets | County of Riverside Regional Park and Open Space District | Subcontractor | $8,409,320 |
Most recent 25 of 56. 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
- Newport-Mesa Unified School District · 6 projects
- City of San Diego Public Works Contracts · 5 projects
- City of Santa Maria Public Works Operations · 5 projects
- City of San Luis Obispo · 5 projects
- Las Virgenes Unified School District · 3 projects
- City of San Diego - Public Works Department · 2 projects
- Prologis L.P. · 2 projects
- City of Yorba Linda · 2 projects
- City of San Diego · 2 projects
- Banning Unified School District · 1 project
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