AMBROSE SOLAR
California contractor license #979872 · Vacaville, Solano County
License
- License number
- 979872
- Status
- Clear
- Classifications
- B General Building Contractor
- C-10 Electrical Contractor
- Business type
- Corporation
- Issued
- Jan 2, 2013
- Expires
- Nov 30, 2026
- Workers' compensation
- Workers' Compensation Insurance — Midwest Employers Casualty Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Sep 22, 2026. Verify license #979872 on CSLB's License Check.
California public works
AMBROSE SOLAR appears on 19 public works projects registered with the California Department of Industrial Relations, 11 of them as the prime contractor, for 12 awarding bodies between 2023 and 2026. Projects it led total $3,355,861 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 27, 2026 | A13 Climbing GymRoofing | Ambrose Construction | Prime | $169,412 |
| Jun 23, 2026 | Cache CreekSolar, EV & energy | Colusa Indian Eergy | Subcontractor | $8,800,928 |
| Apr 20, 2026 | World Marine Estates SolarSolar, EV & energy | Ambrose Construction | Prime | $144,383 |
| Apr 17, 2026 | Revana Estate Vineyard 2930 St. HelenaSolar, EV & energy | Ambrose Construction | Prime | $395,732 |
| Apr 17, 2026 | Revana Estate Vineyard 2910 St. HelenaSolar, EV & energy | Ambrose Construction | Prime | $395,732 |
| Apr 17, 2026 | CA Int'l SchoolRoofing | KRA LLC DBA California International School | Prime | $189,728 |
| Nov 25, 2025 | Vann's AlmondsRoofing | Colusa Indian Eergy | Subcontractor | $2,299,386 |
| Nov 25, 2025 | Vanns - Wal and PumpSolar, EV & energy | Colusa Indian Eergy | Subcontractor | $291,120 |
| Nov 25, 2025 | Vann's New ServiceSolar, EV & energy | Colusa Indian Eergy | Subcontractor | $696,443 |
| Oct 2, 2025 | Kairos Public School Phase 3 - LuminarySolar, EV & energy | Kairos Public Schools | Subcontractor | $81,000 |
| Sep 4, 2025 | WWTF Security SystemSewer & wastewater | City of Dixon | Subcontractor | $84,725 |
| Jun 18, 2025 | N Lincoln SolarRoofing | Ron Dupratt Ford Inc | Prime | $84,400 |
| Jun 12, 2025 | 301 W. Channel RdSolar, EV & energy | Quality Erectors & Construction Co., Inc. | Prime | $134,640 |
| May 12, 2025 | 2510HUNTRoofing | Cassil Freight, Inc. | Prime | $150,000 |
| Aug 30, 2024 | NPP and Camille Creek SolarSolar, EV & energy | Napa County Office of Education | Prime | $1,545,383 |
| Jun 4, 2024 | Winters PrintingSolar, EV & energy | Ambrose Construction | Prime | $30,555 |
| Jun 3, 2024 | Commercial Solar Instalation 938 KaiserPaving & streets | Community Action of Napa Valley | Subcontractor | $141,960 |
| Apr 17, 2023 | Vine Bus Maintenance Facility Solar PhotRoofing | Napa Valley Transportation Authority | Subcontractor | — |
| — | DHR 876/860 SolarPaving & streets | D.H.R. Construction, Inc. | Prime | $115,896 |
Most recent 19 of 19. 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
- Ambrose Construction · 5 projects
- Colusa Indian Eergy · 4 projects
- Napa County Office of Education · 1 project
- D.H.R. Construction, Inc. · 1 project
- Kairos Public Schools · 1 project
- Community Action of Napa Valley · 1 project
- Cassil Freight, Inc. · 1 project
- Napa Valley Transportation Authority · 1 project
- Quality Erectors & Construction Co., Inc. · 1 project
- Ron Dupratt Ford Inc · 1 project
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