Plumbing and Restroom Replacement/Repair Services in San Joaquin County.

The California Department of Transportation (Caltrans) is seeking qualified contractors to provide comprehensive plumbing and restroom replacement/repair services at the Stockton Maintenance Station located at 1604 South B Street in San Joaquin County. The solicitation requires contractors to furnish all necessary labor, equipment, tools, parts, materials, supplies, and incidentals for a range of plumbing services, including replacing plumbing fixtures, installing new plumbing pipes, and renovating a nine-by-nine-foot bathroom area with new door, flooring, and epoxy finishes. A mandatory site inspection is scheduled for December 17, 2025, at 2:30 PM, with written questions due by December 19, 2025, and final price quote submissions required by December 31, 2025, at 2:00 PM. Successful contractors must hold a valid Class A General Building Contractors or C36-Plumbing Contractors license and maintain current Department of Industrial Relations registration. The project will be a one-year contract from February 2, 2026, to February 2, 2027, with services performed during normal business hours Monday through Friday from 7:00 AM to 3:30 PM, excluding state holidays.

This procurement is exclusively reserved for certified Small Businesses (SB), Micro Businesses (MB), Small Businesses for public works (SB-PW), or Disabled Veteran Business Enterprises (DVBE) under Government Code Section 14838.7, with a maximum bid ceiling of $461,000. The solicitation requires at least two certified SB/MB or DVBE price quotes before award, and bids exceeding $25,000 will necessitate a Payment Bond equal to 100 percent of the contract amount. Contractors must provide Commercial General Liability insurance with $1,000,000 per occurrence and $2,000,000 aggregate limits, Automobile Liability insurance, and Workers' Compensation coverage, with Caltrans named as an additional insured. Prevailing wage requirements apply to projects exceeding $15,000, governed by Labor Code Sections 1720-1861. The price quote proposal includes line items for plumbing fixture removal and installation, new plumbing pipe installation, bathroom enclosure and renovation, and 40 hours of unforeseen labor, with a 10 percent allowance for parts, materials, supplies, and permits. The estimated contract award date is January 9, 2026, with a total project budget approaching the $461,000 maximum bid ceiling.