100 B St, Santa Rosa, CA for sale

Investment Overview

Offered for sale is a strategically located, Class B, downtown office building with significant repositioning and reuse potential. 100 B Street is a four-story office property designed for multi-tenant occupancy, currently demised across multiple suites and rentable spaces, and can be delivered fully vacant to accommodate a buyer’s operational timeline and redevelopment strategy. Centrally positioned in Santa Rosa’s core commercial district, immediately adjacent to major retail, civic services, transit, and hospitality amenities. Walking distance to Santa Rosa Plaza, public parking garages, and the downtown transit mall — delivering high pedestrian visibility and accessibility. Easy access to US Highway 101 and Highway 12 connections, enhancing regional connectivity.

Investment Highlights

• ±48,000 SF multi-story office building located in the heart of Downtown Santa Rosa
• Offered with the ability to deliver vacant, providing immediate control and flexibility for a new owner
• Currently demised for multiple tenants, allowing for phased occupancy, re-tenanting, or full repositioning
• Core Mixed Use (CMU) zoning, permitting a broad range of office, residential, civic, institutional, and mixed-use applications
• Ideal for government, municipal, or NGO occupancy, including administrative offices, service centers, or program facilities
• Downtown, transit-oriented location within walking distance of Santa Rosa Plaza, restaurants, and civic amenities
• Flexible floor plates capable of accommodating both private office layouts and open-plan configurations
• Adaptive reuse potential for nonprofit, educational, healthcare, or social service users
• Strong alignment with City of Santa Rosa planning goals encouraging downtown activation and mixed-use development
• Institutional-quality construction suitable for long-term ownership and mission-driven users
• Centralized core and vertical circulation, supporting efficient multi-tenant or single-user layouts
• Walkable urban setting attractive to workforce-oriented tenants and community-serving organizations
• Proximity to public parking garages and street parking, supporting employee and visitor access
• Excellent regional access via Highway 101 and Highway 12 corridors
• Opportunity for owner-user or single-tenant conversion, reducing operating complexity
• Potential for partial or full redevelopment subject to zoning and entitlements
• Located in Santa Rosa’s primary commercial and civic district, surrounded by public and private investment
• Suitable for grant-funded or public-private partnership acquisition strategies
• Vacant-delivery option reduces lease-up risk and accelerates repositioning timelines
• Compelling downtown infill asset with long-term upside driven by zoning flexibility and location fundamentals