THE DON CHAPIN CO INC DBA TOM'S SEPTIC CONSTRUCTION
California contractor license #406512 · Salinas, Monterey County
License
- License number
- 406512
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- C-21 Building Moving/Demolition Contractor
- C-42 Sanitation System Contractor
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Jun 1, 1981
- Expires
- Jun 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — National Union Fire Insurance Company Of Pittsburgh, Pa
- 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 #406512 on CSLB's License Check.
California public works
THE DON CHAPIN CO INC DBA TOM'S SEPTIC CONSTRUCTION appears on 314 public works projects registered with the California Department of Industrial Relations, 29 of them as the prime contractor, for 141 awarding bodies between 2011 and 2026. Projects it led total $31,668,355 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 4, 2026 | Lorena Falasco playgroundParks, landscape & fields | Los Banos Unified School District | Subcontractor | $237,088 |
| Aug 3, 2026 | PCSD Lift Station Repairs and GeneratorSewer & wastewater | County of Monterey Public Works, Facilities and Parks | Prime | $119,744 |
| Jul 23, 2026 | TRANSFER STATION NORTH FLOOR AREA REPAIRPaving & streets | South Bayside Waste Management Authority | Subcontractor | $1,495,945 |
| Jul 8, 2026 | Track& Field/Restroom BuildingPlumbing & restrooms | Chualar Union Elementary School District | Subcontractor | $2,285,000 |
| Jun 30, 2026 | Abbott st & Sanitary Sewer and PavementSewer & wastewater | City of Salinas - (PUB WORKS) | Prime | $11,927,000 |
| Jun 29, 2026 | Campus Town VerticalBuildings & facilities | KB Bakewell, Seaside Venture II LLC | Subcontractor | $112,000,000 |
| Jun 26, 2026 | Laurent St Sewer RehabilitationSewer & wastewater | City of Santa Cruz Public Works Engineering | Subcontractor | $526,580 |
| Jun 23, 2026 | 2026 Measure L Road RehabilitationPaving & streets | City of Newman | Subcontractor | $1,045,417 |
| Jun 18, 2026 | Broadway Ave Complete Street CorridorPaving & streets | City of Seaside | Prime | $12,176,375 |
| May 27, 2026 | 8940-001B Hagar Dr Sinkhole Mit. Ph. 2Traffic & signals | University of California Santa Cruz | Prime | $43,700 |
| May 27, 2026 | Cannery Building Paving ProjectPaving & streets | Moss Landing Harbor District | Prime | $50,385 |
| Apr 29, 2026 | 8th Street Extension/California Avenue WPaving & streets | Shea Homes | Subcontractor | $3,830,000 |
| Apr 17, 2026 | Vierra Canyon Road Overlay ProjectPaving & streets | County of Monterey Public Works, Facilities and Parks | Prime | $1,500,000 |
| Apr 9, 2026 | Robert Down Elementary Site ImprovementsStorm drain & flood control | Pacific Grove Unified School District | Subcontractor | $1,035,000 |
| Apr 9, 2026 | Forest Grove Elementary Site ImprovementSewer & wastewater | Pacific Grove Unified School District | Subcontractor | $995,873 |
| Apr 8, 2026 | 2026 Street RehabilitationPaving & streets | City of Los Banos | Subcontractor | $1,584,994 |
| Apr 8, 2026 | AH3-AH4 Sewer RepairSewer & wastewater | County of Santa Cruz DPW | Prime | $100,000 |
| Mar 25, 2026 | PHS BASEBALL FIELDParks, landscape & fields | Los Banos Unified School District | Subcontractor | $2,000,000 |
| Mar 23, 2026 | West Campus Professional Development CenDemolition & site work | Monterey County Office of Education | Subcontractor | $1,940,000 |
| Mar 19, 2026 | Lincoln Cunningham Park 2-5 Year Old PlaParks, landscape & fields | City of Seaside | Subcontractor | $165,779 |
| Mar 16, 2026 | Section 2 Grind & Overlay Road RehabPaving & streets | City of Hollister | Subcontractor | $901,909 |
| Mar 13, 2026 | New Performing Arts Studio Building MBBuildings & facilities | Alisal Union School District | Subcontractor | $6,698,250 |
| Mar 11, 2026 | Del Rey Park ADA sidewalk improvementsPaving & streets | City of Del Rey Oaks | Subcontractor | $69,000 |
| Mar 3, 2026 | Sewer Manhole RehabilitationSewer & wastewater | City of Gustine | Subcontractor | $68,040 |
| Feb 9, 2026 | Gavilan Hall Student Housing RenovationBuildings & facilities | CSU Monterey Bay | Subcontractor | $15,651,080 |
Most recent 25 of 314. 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
- County of Monterey Public Works, Facilities and Parks · 16 projects
- City of Los Banos · 15 projects
- Los Banos Unified School District · 13 projects
- County of Santa Cruz DPW · 12 projects
- City of Salinas - (PUB WORKS) · 8 projects
- DOS PALOS- ORO LOMA JUSD · 8 projects
- City of Pacific Grove · 7 projects
- Monterey Peninsula College · 7 projects
- California Department of Transportation (Caltrans) · 6 projects
- Monterey Peninsula Unified School District · 6 projects
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