851 Irwin St | 29,923 SF | Fully Leased | Oﬃce Building

$9,675,000

851 Irwin Street, San Rafael, CA 94901

For Sale

Office

Active

Last Updated: 09/10/2025

Details:

Cap Rate: 5.4%

NOI: $252,611

Building Size: 29,923 sqft

Lot Area: 0.66 acres

Class: B

Year Built: 1982

Price Per Sqft: $32,333

Floors: 3

Parking Spots: 59

Floor: 3

Offered by

Seth Hubbert

Investment Advisor

NAI | NorCal

#CA 02158135

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Highlights:

Stabilized Downtown Asset – 29,923 SF three-story oﬃce building with diversified tenancy including professional oﬃces, community organizations, and creative users.
Recent Capital Improvements – Building has undergone upgrades under current ownership, reducing near-term CapEx and providing operational stability.
Prime Marin County Location – Situated in the heart of San Rafael with excellent access to Highway 101, public transit, and walkable amenities including Whole Foods, Trader Joe’s, and national retailers.
Strong Parking Ratio & Visibility – 59 on-site parking spaces (covered and surface) plus high visibility along Irwin Street, just oﬀ Highway 101.
Upside in Rent Growth – With market rents trending upward in Marin County and strong tenant demand for well-located small oﬃce suites, new ownership can benefit from rollover and renewal opportunities.

Description:

851 Irwin Street is a 29,923 square-foot, three-story oﬃce building located in the heart of San Rafael. The property oﬀers 59 on-site parking spaces and excellent visibility with frontage along Irwin Street.

Centrally located just oﬀ Highway 101 directly across from the San Rafael Transit Center, the building provides unmatched regional connectivity. Recent capital improvements under current ownership include HVAC system upgrades with new boilers and heat pumps, enhanced security systems, and interior renovations that modernized oﬃce layouts.

The property is located adjacent to Highway 101, receiving visibility from over 151,000 daily vehicle trips, and sits one mile from the Interstate 580 interchange. The building is within walking distance of the San Rafael Transit Center and Montecito Plaza retail center. The surrounding area includes a mix of commercial, retail, and dining establishments in downtown Sa Rafael's central business district. The building's location in Marin County provides access to both local San Rafael amenities and regional transportation networks connecting to the broader Bay Area market.