Liberty Union High School District

858 public works projects registered with the California Department of Industrial Relations, 2013–2026 · Brentwood, Contra Costa County. Reported contract value: $8,816,110.

Projects by year

YearProjectsReported contract value
202615$3,254,368
202529$5,130,276
202434$431,467
202337—
2022100—
2021113—
202042—
201983—
201883—
201774—
2016131—
2015112—
20131—

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

Types of work

  • Other · 248
  • Buildings & facilities · 125
  • HVAC & mechanical · 124
  • Parks, landscape & fields · 63
  • Painting & flooring · 63
  • Fire & life safety · 60
  • Electrical, low voltage & AV · 50
  • Paving & streets · 35
  • Concrete & masonry · 29
  • Demolition & site work · 15
  • Design, inspection & consulting · 11
  • Water · 10

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

Contractors it awards most

Prime contractorProjectsReported contract value
DHA MECHANICAL INC10$271,026
HFS INC8$230,349
QUALITY SOUND4$774,904
CONSOLIDATED ENGINEERING INC3$86,995
WAYNE E SWISHER CEMENT CONTRACTOR INC3$56,355
NOR-CAL FLOORING2$84,475
COUNTERTOPS BY STEVE2$43,640
FAIRVIEW HEATING AND AIR CONDITIONING IN2$41,274
FIELDTURF USA, INC.1$1,061,237
COSCO FIRE PROTECTION1$69,780
RESTORATION MANAGEMENT COMPANY1$62,115
LINOLEUM SALES CO., INC.1$57,572
QUIEL SCHOOL SIGNS1$32,036
D & D PAINTING CO1$22,790
BSK ASSOCIATES1$14,749

Latest projects

DateProjectPrime contractorContract amount
Sep 9, 2026LA PALOMA HS NEW SHADE STRUCTURE PROJECTParks, landscape & fieldsT N B CONSTRUCTION$254,500
Aug 12, 2026Inverter Board/Compressor replacementOtherDHA MECHANICAL INC$14,790
Aug 7, 20265 year/Quarterly sprinkler InspectionsFire & life safetyHFS INC$27,642
Jul 31, 2026SEMI ANNUAL FACP INSP-LHSOtherHFS INC$20,260
Jul 15, 2026SEMI ANNUAL FACP INSP-HHSOtherHFS INC$20,590
Jul 15, 2026Dual compressor Replacement, VFD InstallHVAC & mechanicalDHA MECHANICAL INC$19,208
Jul 13, 2026Technology needs for J8OtherZAPIEN ELECTRIC INC$29,159
Jun 2, 20265 year/Quarterly Sprinkler InspectionsFire & life safetyHFS INC$58,222
May 19, 2026New Maintenance and Operations OfficeBuildings & facilitiesFOUNDRY CONSTRUCTION INC$1,560,000
May 1, 2026Interior Paint - DOPainting & flooringD & D PAINTING CO$22,790
Apr 3, 2026SEALANT & CARPET REPLACEMENTConcrete & masonryLINOLEUM SALES CO., INC.$57,572
Mar 30, 2026Remediation in District OfficeOtherRESTORATION MANAGEMENT COMPANY$62,115
Mar 16, 2026HVAC installation D103 - hhsHVAC & mechanicalDHA MECHANICAL INC$29,781
Feb 6, 2026PAC Compressor Replacement - LG HHSOtherDHA MECHANICAL INC$16,502
Jan 26, 2026LHS Stadium Field Turf ReplacementParks, landscape & fieldsFIELDTURF USA, INC.$1,061,237
Dec 12, 2025INSTALL 4 MINI SPLIT'S SPEDPlumbing & restroomsDHA MECHANICAL INC$41,933
Oct 13, 2025Countertops & cabinets - GatewayOtherCOUNTERTOPS BY STEVE$21,820
Oct 6, 2025Gutter ReplacementBuildings & facilities—$25,950
Oct 6, 2025Countertops & cabinets - GatewayOtherCOUNTERTOPS BY STEVE$21,820
Sep 15, 2025Gateway PaintingPainting & flooringD WINN PAINTING INCORPORATED$27,276
Sep 10, 2025HVAC Replacement E9 - LHSHVAC & mechanicalFAIRVIEW HEATING AND AIR CONDITIONING IN$18,801
Sep 8, 2025Compressor Replacement - HHS h5Buildings & facilitiesDHA MECHANICAL INC$59,893
Aug 28, 2025Intercom Upgrade - FHSOtherQUALITY SOUND$440,430
Aug 28, 2025replacement of HVAC unit - ES103HVAC & mechanicalFAIRVIEW HEATING AND AIR CONDITIONING IN$22,473
Aug 25, 2025Well Replacement FHSWater—$25,113

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