20 Sunnyside Ave

20 Sunnyside Ave, Mill Valley, CA 94941

Property Information

  • For Lease Contact for pricing
  • Property Type Office
  • Property Size 7,300 SF
  • # of Floors 2
  • Building Class B
  • Date Updated May 15, 2026

Description

This two-story, 7,300-square-foot office building at 20 Sunnyside Ave offers a Class B workspace in the heart of Mill Valley. Its layout supports various business operations, making it adaptable for a range of industries. The property is surrounded by convenient amenities, with nearby parking options such as the Church of Our Lady Parking located just approximately 0.1 miles away, ensuring ease of access for tenants and visitors.

Positioned near Mill Valley's vibrant dining scene, the building is steps away from popular restaurants including Prabh Indian Kitchen, Boo Koo, and El Paseo. The area also features the Mill Valley Inn approximately 0.1 miles away for visiting professionals and clients. With Old Mill Elementary School and Bright Horizons childcare within walking distance, and several fuel stations less than 1 mile away, the location offers a practical mix of conveniences for employees and tenants.

1 Space Available

Suite A

Space Type

General Office

Lease Rate

Negotiable

Total Space

257 SF

Floor

2

Divisible Space

257 - 257 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Space Number

A

Contacts

Brian Foster

Cushman & Wakefield

Drew Soltis

Cushman & Wakefield

Location

Contact 20 Sunnyside Ave
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