KIRBY CONSTRUCTIONS COMPANY INC DBA KIRBY CONSTRUCTION
California contractor license #812509 · Santa Rosa, Sonoma County
License
- License number
- 812509
- Status
- Clear
- Classifications
- B General Building Contractor
- Business type
- Corporation
- Issued
- Sep 12, 2002
- Expires
- Apr 30, 2028
- Workers' compensation
- Workers' Compensation Insurance — Insurance Company Of The West
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Mar 11, 2026. Verify license #812509 on CSLB's License Check.
California public works
KIRBY CONSTRUCTIONS COMPANY INC DBA KIRBY CONSTRUCTION appears on 16 public works projects registered with the California Department of Industrial Relations, 8 of them as the prime contractor, for 14 awarding bodies between 2022 and 2026. Projects it led total $15,996,742 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 1, 2026 | Marin County Jail Cell ImprovementsPainting & flooring | County of Marin Public Works Department | Prime | $7,225,000 |
| Jul 22, 2026 | Obsidian Middle School Shade StructureDemolition & site work | Konocti Unified School District | Prime | $146,000 |
| May 11, 2026 | Concrete Utility Box RepairsTraffic & signals | Sonoma State University 1 | Prime | $45,574 |
| Apr 14, 2026 | Probation ‘La Plaza A’ RelocationBuildings & facilities | County of Sonoma | Prime | $450,000 |
| Apr 7, 2026 | Building 168 Roof ReplacementRoofing | Department of General Services | Prime | $4,293,000 |
| Jul 31, 2025 | HVAC Replacement-Wilkins Cottage B156HVAC & mechanical | Department of State Hospitals - Napa | Prime | $1,381,320 |
| Feb 25, 2025 | 1127 1st St HVAC/Roof Replace, PW 21-23Paving & streets | Napa County Public Works | Subcontractor | $5,090,000 |
| Dec 17, 2024 | Hot Water Phase 2 - Building ConversionParks, landscape & fields | University of California, Davis, Design and Construction Management | Subcontractor | $17,499,000 |
| Sep 11, 2024 | Storage BuildingBuildings & facilities | Lucerne Elementary School District | Prime | $468,848 |
| Jul 1, 2024 | ADA Modifications for Mendocino RetiremeOther | Mendocino County Employees Retirement Association | Subcontractor | — |
| May 24, 2024 | Obsidian Middle School Gym Inc 1 Site DeDemolition & site work | Konocti Unified School District | Subcontractor | $2,213,000 |
| Apr 15, 2024 | Electric Service Center Tenant ImprovemeElectrical, low voltage & AV | City of Ukiah | Subcontractor | — |
| Mar 11, 2024 | TK projectBuildings & facilities | Lucerne Elementary School District | Subcontractor | — |
| Sep 15, 2023 | Ukiah Electric Utility Fire Mitigation UElectrical, low voltage & AV | City of Ukiah | Subcontractor | — |
| May 3, 2022 | MASTER CONTRACT - Kirby Constructions CoOther | Northern California Power Agency | Subcontractor | — |
| — | JLE Expansion Increment 1 Site WorkDemolition & site work | Piner Olivet Union School District | Prime | $1,987,000 |
Most recent 16 of 16. 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
- Lucerne Elementary School District · 2 projects
- City of Ukiah · 2 projects
- Konocti Unified School District · 1 project
- Department of State Hospitals - Napa · 1 project
- County of Sonoma · 1 project
- Konocti Unified School District · 1 project
- Sonoma State University 1 · 1 project
- County of Marin Public Works Department · 1 project
- University of California, Davis, Design and Construction Management · 1 project
- Department of General Services · 1 project
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