Columbia Union School District

4 public works projects registered with the California Department of Industrial Relations, 2024–2025 · Columbia, Tuolumne County. Reported contract value: $245,746.

Projects by year

YearProjectsReported contract value
20261$88,409
20252$57,020
20241$100,317

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

Types of work

  • Buildings & facilities · 2
  • Water · 1
  • 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 contractorProjectsReported contract value
SINDELAR PLUMBING INC1$88,409
QUALITY SOUND1$10,920

Latest projects

DateProjectPrime contractorContract amount
Nov 23, 2026Water Main ReplacementWaterSINDELAR PLUMBING INC$88,409
May 1, 2025Quality SoundBuildings & facilitiesQUALITY SOUND$10,920
Feb 1, 2025Portable ProjectBuildings & facilities—$46,100
Mar 4, 2024AZ Infrastructure Electric InstallationElectrical, low voltage & AV—$100,317

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