County of Sonoma – SPI _ Sonoma Public Infrastructure
207 public works projects registered with the California Department of Industrial Relations, 2015–2026 · Santa Rosa, Sonoma County. Reported contract value: $108,101,347.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 8 | $29,371,181 |
| 2025 | 26 | $62,650,410 |
| 2024 | 13 | $11,696,680 |
| 2023 | 35 | $1,200,247 |
| 2022 | 18 | — |
| 2021 | 21 | — |
| 2020 | 18 | — |
| 2019 | 20 | — |
| 2018 | 10 | — |
| 2017 | 19 | — |
| 2016 | 6 | — |
| 2015 | 4 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Storm drain & flood control · 57
- Paving & streets · 52
- Other · 29
- Parks, landscape & fields · 21
- Bridges & structures · 17
- Traffic & signals · 14
- Demolition & site work · 7
- Design, inspection & consulting · 5
- Buildings & facilities · 4
- Electrical, low voltage & AV · 1
Inferred by Atriam from each project's name and description, not reported by the agency.
Contractors it awards most
| Prime contractor | Projects | Reported contract value |
|---|---|---|
| GHILOTTI CONSTRUCTION COMPANY INC | 4 | $16,863,762 |
| GEOLOGIC ASSOCIATES, INC. | 4 | $483,050 |
| GHILOTTI BROS INC | 2 | $14,701,055 |
| ARGONAUT CONSTRUCTORS INC | 2 | $6,438,724 |
| GRANITE CONSTRUCTION COMPANY | 2 | $2,857,422 |
| GORDON N BALL INC | 1 | $2,851,390 |
| EISENHAUER CONSTRUCTION INC | 1 | $2,500,000 |
| BOHAN & CANELIS GENERAL ENGINEERING INC | 1 | $2,500,000 |
| BKF ENGINEERS | 1 | $1,100,000 |
| STEARNS CONRAD AND SCHMIDT CONSULTING ENGINEERS INC | 1 | $933,653 |
| REGE CONSTRUCTION INC | 1 | $699,647 |
| FRC INC | 1 | $615,000 |
| STATEWIDE TRAFFIC SAFETY AND SIGNS, INC. | 1 | $500,000 |
| U S TRAFFIC CONTROL WEST LLC | 1 | $500,000 |
| DJM COATING SERVICES INC | 1 | $41,371 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Aug 18, 2026 | Meredith Pier Access ImprovementsBridges & structures | FRC INC | $615,000 |
| Jun 17, 2026 | Winter Storms 2024-2025 damaged site-WohStorm drain & flood control | GORDON N BALL INC | $2,851,390 |
| May 15, 2026 | 2026 PPP - Seals and Overlays ProjectStorm drain & flood control | ARGONAUT CONSTRUCTORS INC | $5,699,812 |
| May 1, 2026 | 2026 Pavement Preservation Program-FDR/OStorm drain & flood control | GHILOTTI CONSTRUCTION COMPANY INC | $9,096,559 |
| Apr 15, 2026 | WATMAUGH ROAD BRIDGE REPLACEMENTStorm drain & flood control | VIKING CONSTRUCTION COMPANY INC | $7,112,953 |
| Apr 8, 2026 | Freestone Flat Road Bridge ReplacementStorm drain & flood control | GHILOTTI CONSTRUCTION COMPANY INC | $3,560,981 |
| Mar 9, 2026 | Countywide Sidewalk Repairs (FY 26)Paving & streets | PRECISION CONCRETE CUTTING | $69,487 |
| Jan 27, 2026 | Arrowood Kitchen AlterationsOther | ARGOS CONSTRUCTION | $365,000 |
| Oct 2, 2025 | Roadway Repair at Old Cazadero RoadStorm drain & flood control | GHILOTTI CONSTRUCTION COMPANY INC | $2,328,158 |
| Oct 1, 2025 | Statewide Traffic Safety DBA AWP SafetyTraffic & signals | STATEWIDE TRAFFIC SAFETY AND SIGNS, INC. | $500,000 |
| Oct 1, 2025 | Ghilotti Bros IncTraffic & signals | GHILOTTI BROS INC | $500,000 |
| Oct 1, 2025 | US Traffic Control West LLCTraffic & signals | U S TRAFFIC CONTROL WEST LLC | $500,000 |
| Oct 1, 2025 | Road Safety IncTraffic & signals | ROAD SAFETY INC. | $500,000 |
| Sep 1, 2025 | VALDIVIA TRUCKING LLCDemolition & site work | Valdivia Trucking, LLC | $2,500,000 |
| Sep 1, 2025 | PARMETER LOGGING & EXCAVATION INCDemolition & site work | PARMETER LOGGING & EXCAVATION,INC. | $2,500,000 |
| Sep 1, 2025 | Toby's Trucking IncDemolition & site work | TOBY'S TRUCKING INC | $2,500,000 |
| Sep 1, 2025 | Razor Back ConstructionDemolition & site work | RAZOR-BACK CONSTRUCTION | $2,500,000 |
| Sep 1, 2025 | EISENHAUER CONSTRUCTION INCDemolition & site work | EISENHAUER CONSTRUCTION INC | $2,500,000 |
| Sep 1, 2025 | BOHAN & CANELIS GENERAL ENG INCDemolition & site work | BOHAN & CANELIS GENERAL ENGINEERING INC | $2,500,000 |
| Sep 1, 2025 | KADON TRUCKING INCDemolition & site work | KADON TRUCKING INC | $2,500,000 |
| Jul 28, 2025 | SR Road Yard ImprovementsPaving & streets | DJM COATING SERVICES INC | $41,371 |
| Jul 11, 2025 | C31859Storm drain & flood control | — | $926,496 |
| Jun 23, 2025 | Pine Mountain Road PM 15.37 Storm DamageStorm drain & flood control | — | $510,698 |
| Jun 17, 2025 | Winter Storms 2024-25 Damaged Site-WestStorm drain & flood control | ARGONAUT CONSTRUCTORS INC | $738,912 |
| May 15, 2025 | Rio Lindo Ave PM 12.28 Storm Damge RepaiStorm drain & flood control | REGE CONSTRUCTION INC | $699,647 |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.