HATHAWAY DINWIDDIE CONSTRUCTION COMPANY
California contractor license #729664 · San Francisco, San Francisco County
License
- License number
- 729664
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- Business type
- Corporation
- Issued
- Nov 15, 1996
- Expires
- Nov 30, 2026
- Workers' compensation
- Workers' Compensation Insurance — American Guarantee And Liability Insurance Company
- Contractor's bond
- $25,000 — Travelers Casualty And Surety Company Of America
- 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 #729664 on CSLB's License Check.
California public works
HATHAWAY DINWIDDIE CONSTRUCTION COMPANY appears on 6 public works projects registered with the California Department of Industrial Relations, 1 of them as the prime contractor, for 3 awarding bodies between 2017 and 2026. Projects it led total $688,888 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Feb 17, 2026 | SC 23/24 -Steinhaus Hall B036 Aquatics RHVAC & mechanical | UC Irvine | Prime | $688,888 |
| Sep 17, 2024 | Mesa Court Community Center ExpansionBridges & structures | UC Irvine | Subcontractor | $31,400,000 |
| May 23, 2023 | Equity Innovation HubOther | California State University, Northridge | Subcontractor | — |
| Nov 30, 2022 | Falling Leaves Foundation Medical InnovaOther | UC Irvine | Subcontractor | — |
| Feb 23, 2020 | Susan & Henry Samueli College of HealthBuildings & facilities | UC Irvine | Subcontractor | — |
| Aug 22, 2017 | City Yards Modernization - Design/ConstrBuildings & facilities | City of Santa Monica - Architecture Services | Subcontractor | — |
Most recent 6 of 6. 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
- UC Irvine · 4 projects
- California State University, Northridge · 1 project
- City of Santa Monica - Architecture Services · 1 project
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