County Of Sonoma › Development Services › Sonoma Public Infrastructure › Divisions › Capital Projects

Capital Projects

Image of aerial view of a government building under construction.

The Capital Projects Team plans, designs, and delivers facilities and infrastructure projects that support County operations and public services. Projects range from major facility improvements and new construction to seismic upgrades, emergency repairs, and long-term capital investments. Explore current projects, planning efforts, and capital planning documents below.

Capital Planning

The County's Capital Improvement Plan (CIP) guides long-term investments in facilities and infrastructure that support public services. Review current and past CIP documents to learn about planned projects, funding priorities, and future capital needs.

Capital Improvement Plan 2025-2030

Capital Improvement Plan 2023-2028

Capital Improvement Plan 2022-2027

Capital Improvement Plan 2021-2026

Image of rolled architectural and design blueprints laying atop a laid out blueprint.

Projects in Planning

Explore major capital projects currently in planning and development

County Government Center Chanate Property

Current Projects

Secure Inmate Transfer Connector

design rendering of a bridge within a building A secure bridge, elevator tower, and underground tunnel linking the Main Adult Detention Facility to the new Criminal Courthouse. Eliminates vehicle transport, reducing costs and improving safety.

Resources

Access tools, reports, and information related to Capital Projects, including vendor resources, procurement information, and required funding and compliance reporting. These resources support transparency and provide information for contractors, partners, and the public.

Supplier Portal Grant Contract Reports