What is the asking price for 100 B St?

Please use the contact form to get in touch with a broker and find out more about renting space here.

What is the total size of 100 B St?

The property has a total square footage of 48,870 SF.

How many parking spaces are available at 100 B St?

Parking information for the property isn't currently listed. However, other nearby parking options include 1st Street Garage, located 0.03 miles away , and D Street Garage, which is 0.14 miles away.

100 B St, Santa Rosa, CA 95401 | CommercialCafe.com

For Sale Subject to Offer
Property Type Office - General Office
Property Size 48,870 SF
Lot Size 0.37 Acre
Building Class B
Year Built 1988
Date Updated May 20, 2026

Description

Centrally located in downtown Santa Rosa, directly across from Santa Rosa Plaza. The property offers exceptional accessibility with immediate proximity to US Highways 101 and 12. Tenants benefit from close access to public transit, nearby bus routes, and multiple public parking garages within one block. Surrounded by a full complement of dining, retail, financial, hospitality, and government services, the location supports a professional, client-oriented office environment with strong visibility, convenience, and walk-to amenities.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.The building is a well-located, multi-tenant professional office building in the heart of downtown Santa Rosa, offering flexible leasing opportunities for a wide range of office users. The four-story building features an attractive common lobby, efficient floor plates, and suites with abundant natural light, allowing for configurations that accommodate private offices, conference rooms, and open work areas.

Highlights

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