The Vallejo ADU rules 2026 changed on October 8, when the City’s updated accessory dwelling unit ordinance took effect. Vallejo adopted Ordinance No. 1890 to
The Mare Island Causeway Bridge is more than a way to cross the water. It is one of the most important physical links between mainland
Mare Island has been part of Vallejo’s identity for generations. Its former naval shipyard, historic buildings, waterfront, industrial spaces, existing neighborhoods, and open land create
Vallejo’s waterfront has always been one of the city’s strongest geographic assets. It connects downtown to Mare Island Strait, provides access to San Francisco Bay