Sonoma County Library

21 public works projects registered with the California Department of Industrial Relations, 2018–2026 · Rohnert Park, Sonoma County. Reported contract value: $10,834,682.

Projects by year

YearProjectsReported contract value
202610$1,279,232
20253$2,272,440
20244$7,283,011
20213—
20181—

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

Types of work

  • Buildings & facilities · 9
  • Other · 3
  • Electrical, low voltage & AV · 3
  • Painting & flooring · 2
  • Fire & life safety · 1
  • Plumbing & restrooms · 1
  • HVAC & mechanical · 1
  • Water · 1

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

Contractors it awards most

Prime contractorProjectsReported contract value
ROSS MC DONALD COMPANY INC2$725,501
COORDINATED PROJECT INSTALLATIONS INC2$237,195
W. Bradley Electric, LLC2$60,017
B T MANCINI CO INC1$102,313
Steven Timmina1$69,425
BLAKESLEE ELECTRIC INC1$58,611
TROPE GROUP INC1$26,170
AUTOMATIC DOOR SYSTEMS, INC.1$25,140

Latest projects

DateProjectPrime contractorContract amount
Aug 10, 2026RP Book MoveBuildings & facilitiesCOORDINATED PROJECT INSTALLATIONS INC$146,530
Apr 20, 2026Rincon VAlley MaintenanceOtherTROPE GROUP INC$26,170
Apr 6, 2026Rincon Valley Maintenance ProjectElectrical, low voltage & AVBLAKESLEE ELECTRIC INC$58,611
Apr 6, 2026Rincon Valley MaintenanceOtherW. Bradley Electric, LLC$22,217
Apr 2, 2026Rincon Valley MaintenancePainting & flooringCOORDINATED PROJECT INSTALLATIONS INC$90,665
Mar 2, 2026Rincon Valley Maintenance projectOtherSteven Timmina$69,425
Feb 25, 2026Rincon Valley MaintenancePainting & flooringB T MANCINI CO INC$102,313
Feb 20, 2026Cloverdale Library A/VWaterW. Bradley Electric, LLC$37,800
Feb 6, 2026Rincon Valley MaintenanceBuildings & facilitiesROSS MC DONALD COMPANY INC$366,971
Jan 14, 2026Rincon Valley MaintenanceBuildings & facilitiesROSS MC DONALD COMPANY INC$358,530
Nov 21, 2025Rincon Valley ModernizationBuildings & facilitiesAUTOMATIC DOOR SYSTEMS, INC.$25,140
May 30, 2025Healdsburg Moderization ProjectFire & life safety—$1,789,000
Feb 5, 2025Cloverdale Patio ProjectPlumbing & restrooms—$458,300
Sep 5, 2024Annex Infrastructure ProjectHVAC & mechanical—$1,072,345
Aug 8, 2024Healdsburg Branch Move ServicesBuildings & facilities—$170,978
Aug 7, 2024Petaluma ModerizationBuildings & facilities—$3,019,844
Aug 7, 2024Petaluma ModerizationBuildings & facilities—$3,019,844
May 15, 2021Roseland - Network ExpansionElectrical, low voltage & AV——
Jan 18, 2021Roseland Library RenovationBuildings & facilities——
Jan 4, 2021Multi-Sites - Outdoor WirelessBuildings & facilities——
Dec 31, 2018LED Lighting ProjectElectrical, low voltage & AV——

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