MESA ENERGY SYSTEMS INC
California contractor license #611215 · Irvine, Orange County
License
- License number
- 611215
- Status
- Clear
- Classifications
- B General Building Contractor
- C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor
- C-7 Low Voltage Systems Contractor
- C-10 Electrical Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- C-38 Refrigeration Contractor
- C-46 Solar Contractor
- Business type
- Corporation
- Issued
- Jan 27, 1991
- Expires
- Jan 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Continental Insurance Company (The)
- Contractor's bond
- $25,000 — Travelers Casualty And Surety Company Of America
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Mar 11, 2026. Verify license #611215 on CSLB's License Check.
California public works
MESA ENERGY SYSTEMS INC appears on 1170 public works projects registered with the California Department of Industrial Relations, 677 of them as the prime contractor, for 400 awarding bodies between 2010 and 2026. Projects it led total $225,106,382 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jan 1, 2027 | 2700FY26000000000186 HVAC MAINTENANCEHVAC & mechanical | County of Ventura GSA | Prime | $56,796 |
| Dec 31, 2026 | County of Butte Job Order ContractingBuildings & facilities | Butte County | Prime | $2,000,000 |
| Dec 21, 2026 | 7 Hills HVAC replacementHVAC & mechanical | Nevada City School District | Prime | $70,000 |
| Dec 3, 2026 | Replace HVAC Unit - 103HVAC & mechanical | Chowchilla Union High School District | Prime | $19,848 |
| Oct 7, 2026 | EMS chiller 2 has leaking sealHVAC & mechanical | University of California Santa Cruz | Prime | $34,755 |
| Oct 2, 2026 | Boiler Services, District WideHVAC & mechanical | Central Unified School District - Maintenance | Prime | $27,526 |
| Oct 1, 2026 | MWD HQ BOILER PREVENTATIVE MAINTENANCEHVAC & mechanical | The Metropolitan Water District of Southern California | Prime | $32,000 |
| Oct 1, 2026 | Woodland High Boiler ReplacementHVAC & mechanical | Woodland Joint Unified School District | Prime | $56,849 |
| Sep 30, 2026 | Telecare AC3 & AC4 ReplacementElectrical, low voltage & AV | County of Riverside - Facilities Management | Prime | $60,000 |
| Sep 30, 2026 | SCON-006107Sewer & wastewater | County of Santa Barbara General Services, Procurement Services | Prime | $7,885 |
| Sep 30, 2026 | 5ton package unit replacementOther | Fresno County Facility Services | Prime | $32,410 |
| Sep 28, 2026 | Bio II Penthouse Steam Feedwater Tank ReWater | University of California Santa Barbara | Prime | $40,406 |
| Sep 25, 2026 | EDHSHVAC & mechanical | Visalia Unified School District | Prime | $22,557 |
| Sep 25, 2026 | GWHSHVAC & mechanical | Visalia Unified School District | Prime | $17,634 |
| Sep 23, 2026 | WV STEM HVAC UpgradesHVAC & mechanical | West Valley-Mission Community College District | Prime | $2,083,876 |
| Sep 23, 2026 | Replace purge pump chiller# 3 at MWD HQHVAC & mechanical | The Metropolitan Water District of Southern California | Prime | $21,290 |
| Sep 21, 2026 | PSA VALID 6/23/26-4/30/27 CRC CENTRAL PHVAC & mechanical | Los Rios Community College District | Prime | $203,893 |
| Sep 17, 2026 | PEM Boiler MaintenanceHVAC & mechanical | The Trustees of the California State University on behalf of California State Un | Prime | $16,651 |
| Sep 17, 2026 | Chinatown CoolingTower VFD Driven PulleyHVAC & mechanical | San Francisco Community College District | Prime | $20,650 |
| Sep 16, 2026 | 45002026092800000006HVAC & mechanical | County of Ventura GSA | Prime | $33,120 |
| Sep 15, 2026 | MESA Chiller InstallationHVAC & mechanical | Cal Poly State University, San Luis Obispo | Prime | $48,427 |
| Sep 14, 2026 | Emcor - BLANKET (HVAC-CH/ABS) 2026HVAC & mechanical | University of California Santa Cruz | Prime | $75,010 |
| Sep 14, 2026 | HVAC ReplacementHVAC & mechanical | Colusa County Purchasing & Procurement | Prime | $39,165 |
| Sep 14, 2026 | Del Rey Elementary School Drinking FountElectrical, low voltage & AV | Orinda Union School District | Prime | $7,976 |
| Sep 9, 2026 | McKenney Gym Additional RepairsHVAC & mechanical | Marysville Joint Unified School District - Facilities Department | Prime | $6,304 |
Most recent 25 of 1170. 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
- Judicial Council of California - (PUB WORKS) · 47 projects
- County of Santa Barbara General Services, Procurement Services · 38 projects
- Black Oak Mine Unified School District · 33 projects
- County of Ventura GSA · 29 projects
- Fresno Unified School District · 27 projects
- County of Kern - Purchasing · 21 projects
- Marysville Joint Unified School District - Facilities Department · 21 projects
- Kern Community College District · 19 projects
- Los Rios Community College District · 17 projects
- The Metropolitan Water District of Southern California · 14 projects
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