J HART PLUMBING INC
California contractor license #459194 · Sonora, Tuolumne County
License
- License number
- 459194
- Status
- Clear
- Classifications
- C-16 Fire Protection Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- Business type
- Corporation
- Issued
- Jul 5, 1984
- Expires
- Jul 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — United Fire & Casualty Company
- Contractor's bond
- $25,000 — Nationwide Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Jul 2, 2026. Verify license #459194 on CSLB's License Check.
California public works
J HART PLUMBING INC appears on 15 public works projects registered with the California Department of Industrial Relations, 1 of them as the prime contractor, for 12 awarding bodies between 2022 and 2026. Projects it led total $36,000 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 8, 2026 | Argus & endeavor Campus Phase 1Demolition & site work | Ceres Unified School District | Subcontractor | $10,940,548 |
| Jun 5, 2026 | Wastewater Improvement ProjectSewer & wastewater | Mokelumne Hill Sanitary District | Subcontractor | $6,106,977 |
| May 18, 2026 | Orville Wright Phase 3Buildings & facilities | Modesto City Schools | Subcontractor | $2,501,452 |
| Jan 15, 2026 | Sonora Office RemodelBuildings & facilities | Tri-Dam Project | Subcontractor | $2,438,835 |
| Jan 13, 2026 | BH Washington RemediationOther | County of Tuolmne | Subcontractor | $33,959 |
| May 12, 2025 | Beyer Science Lab RenovationsDemolition & site work | Modesto City Schools | Subcontractor | $7,396,000 |
| Mar 31, 2025 | Northern Mariposa Co History CenterBuildings & facilities | Northern Mariposa County History Center | Subcontractor | $602,000 |
| Mar 12, 2025 | Hughson High Bond ModernizationHVAC & mechanical | Hughson Unified School District | Subcontractor | $1,639,887 |
| Oct 31, 2024 | Mathiesen Memorial Health ClinicBuildings & facilities | Mathiesen Memorial Health Clinic | Subcontractor | $22,815,964 |
| Sep 16, 2024 | DPRA VISITOR CENTER PROJECTBuildings & facilities | Turlock Irrigation District | Subcontractor | $6,426,157 |
| Jun 27, 2024 | BOILER REPAIRSHVAC & mechanical | BRET HARTE UNION HIGH SCHOOL DISTRICT | Prime | $36,000 |
| May 14, 2024 | HH-1013 Water System Filtration AdditionWater | San Francisco Public Utilities Commission | Subcontractor | $4,177,935 |
| Apr 1, 2024 | HH-1010 Moccasin Wastewater Treatment PlSewer & wastewater | San Francisco Public Utilities Commission | Subcontractor | — |
| Nov 28, 2023 | JOC-104Other | San Francisco Public Utilities Commission | Subcontractor | $5,000,000 |
| Jul 11, 2022 | West Point/Wilseyville WWTF ConsolidatioSewer & wastewater | Calaveras County Water District | Subcontractor | — |
Most recent 15 of 15. 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
- San Francisco Public Utilities Commission · 3 projects
- Modesto City Schools · 2 projects
- Mathiesen Memorial Health Clinic · 1 project
- BRET HARTE UNION HIGH SCHOOL DISTRICT · 1 project
- Tri-Dam Project · 1 project
- Northern Mariposa County History Center · 1 project
- Hughson Unified School District · 1 project
- Turlock Irrigation District · 1 project
- Ceres Unified School District · 1 project
- County of Tuolmne · 1 project
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