Napa County Courthouse Earthquake Repair

PW 15-09


  • Status: Complete
  • Contact: John Vicencio
  • Publish Date: June 20, 2017

Project Scope

The project is located at 825 Brown Street, Napa, CA 94559. The work of project is Earthquake repair to a 16,000 square foot historic un-reinforced masonry (URM) structure built in 1878. Repairs include: 

  • Deconstruction
  • Electrical
  • Fire protection
  • Hazardous mold and lead abatement
  • Interior finishes/fixtures of a historic building and other work indicated in the contract documents
  • Mechanical
  • Structural


The project was awarded by the Board of Supervisors to Alten Construction on August 29, 2017.


Contractor Location Total Base Bid
Alten Construction Richmond, CA $11,646,480
BHM Construction Napa, CA $12,095,752
Thompson Builders Novato, CA $12,481,000
Diede Construction Woodbridge, CA