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San Joaquin County Department of Public Works

1810 E Hazelton Ave, Stockton, CA 95205-6232
(209) 468-3000 

The overall mission of the San Joaquin County Department of Public Works is to plan, design, construct, operate and maintain the County infrastructure, which includes public roads, transportation systems, bridges, water, wastewater, channel maintenance and solid waste disposal systems of the County, in order to best serve the interests of the people. These systems are maintained to protect the health and welfare of the public and the County’s financial investments. Public Works also provides vehicle support for the County, including procurement support, heavy and light vehicle maintenance and repair, and daily rental services.

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Upcoming Solicitations

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SJCDPW-RFP-25-08
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified construction management (CM) firms to undertake, perform, and complete the tasks set forth in Request for Proposals – SJCDPW-RFP-25-08. The selected CM firm will perform professional and technical construction management engineering services for Colonial Heights and Lincoln Village Maintenance Districts Water Main Replacement Project- Phase 1B (PROJECT). The Project is funded by the State of California’s Small Communities Drought Relief Program Grant. Estimated Construction Contract Award Date: March 2026 Estimated Construction Start Date: May 2026 Estimated Construction Duration: 120 Working Days The requested professional services shall include, but not be limited to: public outreach, resident engineer services, construction management, inspection, materials testing, contract administration, and project records services for the Project. The scope of work includes: documentation of preconstruction conditions, meetings, schedule reviews, cost control, submittals and clarifications, contract modifications/change orders/claims, field inspection, testing, completion and acceptance, Project closeout, construction management plan, and other miscellaneous inspections and construction administration activities. The CM firm will also conduct formal weekly progress meetings with SJCDPW staff and the contractor. The CM firm will manage separate contractors for the District as it is anticipated that both Districts will be bid separately. The deadline for submitting technical proposals to SJCDPW will be no later than 4:00 p.m. on Monday, November 10, 2025. SJCDPW’s standard business practice strives to ensure that a consultant’s professional qualifications meet the needs and services to be performed, the payment method is appropriate, and the cost is fair and reasonable to the public agency. A copy of SJCDPW-RFP-25-08 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps-and-rfqs/current-solicitations and https://www.bidexpress.com . All prospective consultants must register for solicitation No. SJCDPW-RFP-25-08 in order to be added to the Proposers’ List and, if necessary, receive a Notice of Release of Addendum and information about the pre-proposal meeting. It is imperative that prospective consultants check the solicitation Web page often for the status and/or modifications. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II, at email: ntran@sjgov.org.
11/11/2025 12:00 AM UTC
1 Solicitation

Closed Solicitations

Number Deadline
Davis Road Resurfacing
The work is located northwest of the City of Lodi. The work, in general, consists of repairing and resurfacing approximately 1.2 miles of roadway with asphalt concrete. Base Estimate Range between $440,000 and $535,000
10/30/2025 08:31 PM UTC
Morada Acres Water System Rehabilitation Project
The work is located within the Morada Acres Maintenance District in Stockton, CA. The work, in general, consists of installing approximately 2,400 feet of new water main piping, including gate valves, fire hydrants, appurtenances, a hydropneumatic tank, water service laterals, and new water meters and boxes within the Morada Acres Maintenance District. Base Estimate Range between $1,000,000 and $1,230,000
 10/23/2025 08:31 PM UTC
SJCDPW-RFP-25-07
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified construction management (CM) firms to undertake, perform, and complete the tasks outlined in the Request for Proposals – SJCDPW-RFP-25-07. The selected CM firm will perform professional and technical engineering services for the proposed Escalon Road Bridge No. 29C-476 Replacement Project. The requested professional construction management services shall include, but are not limited to: constructability review, contract administration, part-time resident engineering, full-time construction inspection, public outreach, labor compliance review, stakeholder coordination, quality assurance, materials sampling and testing, and maintenance of project records for the PROJECT. The scope of work also encompasses documentation of preconstruction conditions, schedule and lead periodic meetings, review of material submittals and construction schedules, responses to requests for information (RFIs), management of contract modifications, change orders, and claims, coordination with stakeholders, and preparation and distribution of project-related notifications, including those required by regulatory agencies before and after construction. Additional responsibilities include project closeout, punch-list preparation and final acceptance, development of as-built drawings, and other miscellaneous construction administration tasks. Estimated Construction Contract Award Date: October 2026 Estimated Bird Netting Start Date: December 2, 2026 (Bird Netting) Estimated Construction Duration for Bird Netting: 5 working Days Estimated Bridge Construction Start Date: March 8, 2027 Estimated Bridge Construction Duration: 181 Working Days Total Estimated Contractor’s Contract (5 working days for Netting + Bridge Construction): 186 Working Days The deadline for submitting technical proposals to SJCDPW will be no later than 4:00 p.m. on Monday, September 29, 2025. A copy of SJCDPW-RFP-25-07 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps_and_rfqs and https://www.bidexpress.com . All prospective consultants must register for solicitation No. SJCDPW-RFP-25-07 in order to be added to the Proposers’ List. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II at email: ntran@sjgov.org .
09/29/2025 11:00 PM UTC
SJCDPW-RFP-25-06
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified consulting engineering consultants (CONSULTANT) to undertake, perform, and complete the tasks set forth in Request for Proposals (RFP) – SJCDPW-RFP-25-06. The selected consultant will provide professional and technical design engineering services for Phase II Final Design of the Grant Line Road Realignment Project (PROJECT). The selected CONSULTANT will be the highest-ranking CONSULTANT that has successfully negotiated the terms for award of a consulting services agreement. CONSULTANT shall be required to provide all labor, equipment, tools, and facilities necessary for the completion of the PROJECT. CONSULTANT will be required to have knowledge of County, California Department of Transportation (Caltrans) and Federal High Way Administration standards and processes on transportation projects. The requested services will include designing and engineering improvements for a realignment of Grant Line Road between the city of Tracy and Interstate 5 based on the preferred alternative. Additional elements of the project design include improvements to restrict access into the Banta community to prevent cut-through traffic movements. All work shall comply with the County Policies, Caltrans Local Assistance Procedure Manual. The deadline for submitting technical proposals to SJCDPW will be no later than 12:00 p.m. on Monday, September 29, 2025. A copy of SJCDPW-RFP-25-06 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps_and_rfqs and https://www.bidexpress.com . All prospective consultants must register for solicitation No. SJCDPW-RFP-25-06 in order to be added to the Proposers’ List and, if necessary, receive a Notice of Release of Addendum. It is imperative that prospective consultants check the solicitation Web page often for the status and/or modifications. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II at email: ntran@sjgov.org .
09/29/2025 07:00 PM UTC
SJCDPW-RFP-25-05
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified consulting engineering firms (FIRM) to undertake, perform, and complete the tasks set forth in Request for Proposals (RFP) – SJCDPW-RFP-25-05. The selected firm will provide professional and technical project management services for the proposed Project Management and Support Services for Transportation Projects (PROJECT). The selected FIRM will be the highest-ranking firm that has successfully negotiated the terms for award of a consulting services agreement. The selected FIRM will be requested to enter into two separate consulting services agreement with San Joaquin County (County) for two separate federally funded projects after the Federal Highway Administration (FHWA) has approved the consulting services agreement. Project management services are requested for the Grant Line Road Realignment and State Route 26 (SR26)/Jack Tone Road Intersection Improvements. The selected FIRM will not be invited to submit technical proposal for design engineering or construction management services for the Grant Line Road Realignment or SR26/Jack Tone Road Intersection Improvements projects. All work shall comply with the County Policies, the California Department of Transportation (Caltrans) Local Assistance Procedure Manual (LAPM). The deadline for submitting technical proposals to SJCDPW will be no later than 12:00 p.m. on Monday, September 8, 2025. A copy of SJCDPW-RFP-25-05 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps_and_rfqs and https://www.bidexpress.com . All prospective consultants must register for solicitation No. SJCDPW-RFP-25-05 in order to be added to the Proposers’ List and, if necessary, receive a Notice of Release of Addendum. It is imperative that prospective consultants check the solicitation Web page often for the status and/or modifications. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II at email: ntran@sjgov.org .
09/15/2025 07:00 PM UTC
Eleventh Street Safety Improvements, State Aid Project No. HSIPSL-5929(319)
The work is located along Eleventh St in Tracy, CA at the intersections of Chrisman Road, Bird Road, and Banta Road. The work, in general, consists of the following scope at the following Eleventh St intersections: Chrisman Rd: replace existing signal heads with 12” signal heads with retroreflective backplates; replace existing signal poles with two mast arm signal poles; install Prepare To Stop extinguishable message signs; install an ADA curb ramp; install a HMA pedestrian landing; replace a storm drain pipe and two storm drain inlets. Bird Rd: replace existing signal heads with 12” signal heads with retroreflective backplates; replace surface of intersection medians with concrete. Banta Rd: install Prepare To Stop extinguishable message signs. Base Estimate Range between $911,000 and $1,113,300
 08/28/2025 08:57 PM UTC
Countywide Traffic Signal Equipment Upgrade Project
The work is located at various intersections throughout the County. The work, in general, consists of removing and replacing existing traffic controllers, and installing video detection systems to replace vehicle loop detectors. Pursuant to the Public Contract Code Section 3400 (c)(2), the Department has designated the Miovision Video Detection System (VDS), including associated products listed in the plans and specifications, as the exclusive VDS for the project. This specification is necessary to complement VDS equipment currently in use throughout the County on existing public improvements. This will ensure compatibility with the County’s existing signal infrastructure, allows for interchangeability with products in the County’s maintenance inventory and is essential for seamless logistical and operational integration with the existing highway facilities Base Estimate Range between $1,500,000 and $1,825,000
 08/07/2025 08:31 PM UTC
Cotta Road Bridge No. 29C-471 Replacement at Upland Canal, Federal Aid Project No. BRLO-5929(234).
The work is located on Cotta Road Bridge (Bridge No. 29C-292/Bridge No. 29C-471) over Upland Canal, east of N. Guard Road. The work, in general, consists of demolishing the existing bridge (Bridge No. 29C-292), constructing a new 2-lane structure (Bridge No. 29C-471) with necessary appurtenances, reconstructing approach roadways to conform with the new concrete structure, conforming driveways, and placing rock slope protection in the canal. The DBE Contract goal is 21 percent Base Estimate Range Between $2,170,330 and $2,655,000
 07/24/2025 08:31 PM UTC
SJCDPW-RFP-25-04
The San Joaquin County Department of Public Works (SJCDPW) requests technical proposals from qualified consultants to undertake, perform, and complete the tasks set forth in Request for Proposals (RFP) – SJCDPW-RFP-25-04. The selected CONSULTANT will perform professional and technical engineering services for the proposed Waverly Road Bridge 29C-368 Across Chanel B Replacement (PROJECT). The requested professional design engineering services shall include, but will not be limited to, the following: Project Management, Project Surveying, Mapping and Control, Evaluation of Bridge Type Selection/Roadway Alignment, Public Outreach Program, Geotechnical Analysis Report, CEAQ Approval, Hydraulic and Hydrology Analysis, Permitting Compliance, Utility Coordination and Relocation Plan, Right-of-Way Engineering, Plans, Specifications, and Engineer's Estimate (PS&E), and Bidding and Post Award Assistance services for the PROJECT. The deadline for submitting technical proposals to SJCDPW will be no later than 4:00 p.m. on Monday, July 21, 2025. A copy of SJCDPW-RFP-25-04 is available to view at the Internet address: https://www.sjgov.org/department/pwk/rfps_and_rfqs and https://www.bidexpress.com . All prospective consultants must register for solicitation No. SJCDPW-RFP-25-04 in order to be added to the Proposers’ List and, if necessary, receive a Notice of Release of Addendum. It is imperative that prospective consultants check the solicitation Web page often for the status and/or modifications. For general questions regarding the solicitation, please contact Mr. Nhan Tran, Management Analyst II at email: ntran@sjgov.org .
07/21/2025 11:00 PM UTC
Koster Road Resurfacing
The work is located southeast of the City of Tracy. The work, in general, consists of repairing and resurfacing approximately 2.0 miles of roadway with asphalt concrete. Base Estimate Range between $750,000 and $920,000
 07/17/2025 08:31 PM UTC
1 - 10 of 263 Solicitations
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