Site work and new construction of an office development in Rio Vista, California. Working plans call for the construction of a 1,440-square-foot, three-room office development.

**As of March 26, 2026, bids were canceled. No definite date for the rebid.** The City of Rio Vista is seeking proposals from qualified and experienced contractors to provide a turnkey solution for the design, engineering, fabrication, delivery, and installation of a 24 by 60 foot modular office building that includes three offices, two ADA restrooms, kitchenette with sink, upper and lower cabinetry and countertop area, two exterior doors, dual pane windows, HVAC system with two 3-ton unit wall mounted systems, LED lighting, and a Title 24 energy compliant complete plan set for the Public Works Corporation Yard. The selected contractor shall deliver a fully integrated solution, including all architectural and structural design, engineering, permitting, fabrication, transportation, site preparation coordination, materials, labor, and on-site installation necessary for a complete and operational modular building. The proposed building shall meet all applicable local, state, and federal codes and regulations and be suitable for long-term use. This Request for Proposals is open to all licensed and qualified contractors. All interested parties are required to attend a mandatory pre-bid meeting to review the scope of work and assess site conditions. Proposals must be submitted by the specified deadline, either via email or mail, in sufficient detail to allow for thorough evaluation and comparative analysis. Proposals will not be accepted after the deadline. Questions about the RFP must be directed in writing by the specified deadline. 02/25/2026 at 4:00 PM PT