County of Sonoma

44 public works projects registered with the California Department of Industrial Relations, 2025–2026 · Santa Rosa, Sonoma County. Reported contract value: $11,874,903.

Projects by year

YearProjectsReported contract value
202622$5,029,474
202515$6,667,339

DIR has published contract amounts since July 2024; earlier years count projects only.

Types of work

  • Other · 20
  • Buildings & facilities · 8
  • Paving & streets · 5
  • Storm drain & flood control · 3
  • Parks, landscape & fields · 2
  • Water · 2
  • Roofing · 1
  • Sewer & wastewater · 1
  • Painting & flooring · 1
  • Solar, EV & energy · 1

Inferred by Atriam from each project's name and description, not reported by the agency.

Contractors it awards most

Prime contractorProjectsReported contract value
D W ENTERPRISES20$2,534,700
REGE CONSTRUCTION INC3$1,000,000
UNGER CONSTRUCTION CO1$1,534,182
BELZ CONSTRUCTION INC1$1,189,343
SCC ELECTRIC INC1$395,000
COASTSIDE CONCRETE & CONSTRUCTION INC1$186,685
MIKE BROWN ELECTRIC CO1$87,905
John Schaefer Engineering Inc.1$68,000
PRUETT FENCE COMPANY INC1$66,680
WEDGE ROOFING INC1$57,440
GREGORY DRILLING INCORPORATED1$46,675
CASCADE DRILLING, LP1$46,290
BRIDGES CONSTRUCTION1$44,000
VORTEX INDUSTRIES LLC1$42,272
B T MANCINI CO INC1$11,967

Latest projects

DateProjectPrime contractorContract amount
Aug 17, 2026Sonoma Road MaintenancePaving & streetsD W ENTERPRISES$70,000
Aug 17, 2026Sonoma Sump MaintenanceSewer & wastewaterD W ENTERPRISES$74,000
Aug 17, 2026Sonoma Fence MaintenanceBuildings & facilitiesD W ENTERPRISES$74,000
Aug 17, 2026Sonoma Drainage MaintenanceStorm drain & flood controlD W ENTERPRISES$70,000
Aug 13, 2026Bodega Bay Coastal Civic Center RoofingRoofingWEDGE ROOFING INC$57,440
Jul 16, 2026MADF Lobby Door ReplacementBuildings & facilitiesVORTEX INDUSTRIES LLC$42,272
Jun 15, 2026RoblarOtherD W ENTERPRISES$50,000
Jun 15, 2026Roblar Site MaintenanceStorm drain & flood controlD W ENTERPRISES$70,000
Jun 5, 2026REDCOM ExpansionBuildings & facilitiesBELZ CONSTRUCTION INC$1,189,343
Jun 1, 2026Annapolis Landfill Vegetation Mgmt. 2026OtherD W ENTERPRISES$50,000
May 25, 2026Sonoma PavingPaving & streetsREGE CONSTRUCTION INC$50,000
May 18, 2026Occidental Vegetation Management 2026OtherD W ENTERPRISES$25,000
May 15, 2026Probation 'La Plaza A' RelocationPainting & flooringB T MANCINI CO INC$11,967
May 14, 2026Guerneville Poly TanksOtherD W ENTERPRISES$10,000
May 12, 2026Sonoma 2026 Vegetation ManagementOtherREGE CONSTRUCTION INC$50,000
May 11, 2026GuernevilleOtherD W ENTERPRISES$50,000
Apr 28, 2026ADA Signalized Intersections B5 & B6Paving & streetsSCC ELECTRIC INC$395,000
Mar 13, 2026NSM Perimeter FenceBuildings & facilitiesPRUETT FENCE COMPANY INC$66,680
Mar 10, 2026Youth Crisis Center at Los GuilicosBuildings & facilitiesUNGER CONSTRUCTION CO$1,534,182
Feb 24, 202616390 Main St. Guerneville Reroof HVACPaving & streetsC W S CONSTRUCTION GROUP INC$815,000
Jan 26, 2026MADF Exterior ADA POTBuildings & facilitiesCOASTSIDE CONCRETE & CONSTRUCTION INC$186,685
Jan 14, 2026SoCo Sheriff Fleet EV Charging StationsSolar, EV & energyMIKE BROWN ELECTRIC CO$87,905
Nov 17, 2025Sonoma Landfill well drilling 2025WaterGREGORY DRILLING INCORPORATED$46,675
Oct 13, 20252025-20OtherD W ENTERPRISES$16,270
Sep 9, 2025Sonoma Landfill creek clean upStorm drain & flood controlD W ENTERPRISES$43,630

Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.