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20 Sunnyside Ave
Mill Valley, CA 94941

Rate Upon Request

Office For Lease  •  331+ SF

Property Details

  • Property Type Office
  • Year Built 1964
  • Total Building Size 9,356 SF
  • Tenancy Multiple
  • Building Class B
  • Zoning C-D
0 Transit Score
93 Walk Score

6 Spaces Available

Name Space Use Size Rent Details
1st Floor Ste C-1 Office 331 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
1st Floor Ste C-2 Office 441 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
2nd Floor Ste E Office 473 SF Rate Upon Request 
Newly renovated office spaces in the heart of downtown Mill Valley with extensive window line and views of Mt. Tam. The building is a 3 minute walk to The Depot, Mill Valley Market, Equator Coffee, and a wide variety of other shops, restaurants, and more. Flexible lease terms and move-in ready, available immediately.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 1,085 SF
2nd Floor Ste H Office 612 SF Rate Upon Request 
Newly renovated office spaces in the heart of downtown Mill Valley with extensive window line and views of Mt. Tam. The building is a 3 minute walk to The Depot, Mill Valley Market, Equator Coffee, and a wide variety of other shops, restaurants, and more. Flexible lease terms and move-in ready, available immediately.

A 3D tour of the space can be found at this link: https://my.matterport.com/show/?m=RtgnnrRR96X

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 1,085 SF
2nd Floor Ste J Office 795 SF Rate Upon Request 
Newly renovated office spaces in the heart of downtown Mill Valley with extensive window line and views of Mt. Tam. The building is a 3 minute walk to The Depot, Mill Valley Market, Equator Coffee, and a wide variety of other shops, restaurants, and more. Flexible lease terms and move-in ready, available immediately.

A 3D tour of the space can be found at this link: https://my.matterport.com/show/?m=orDKbLJEJ4k

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 1,137 SF
2nd Floor Ste K Office 342 SF Rate Upon Request 
Newly renovated office spaces in the heart of downtown Mill Valley with extensive window line and views of Mt. Tam. The building is a 3 minute walk to The Depot, Mill Valley Market, Equator Coffee, and a wide variety of other shops, restaurants, and more. Flexible lease terms and move-in ready, available immediately.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 1,137 SF

Description 

20 Sunnyside is downtown Mill Valleys' premier class A office building. Newaley renovated both inside and out 20 Sunnyside offers a variety of small spaces perfect for your local needs. With Mill Valley's most loved stores, coffee shops & restaurants right down the street along with a plethora of other amenities, 20 Sunnyside is the new gold standard for downtown office.

Property Flyers

Amenities

  • Signage
  • Skylights
  • Storage Space
  • Central Heating
  • Natural Light
  • Open-Plan
  • Air Conditioning

Public Transportation

Commuter RailDriveWalkDistance
Larkspur Smart (Main Line - Sonoma Marin Area Rail Transit) 10 min - 5.6 mi
San Rafael Smart (Main Line - Sonoma Marin Area Rail Transit) 12 min - 7.5 mi
AirportDriveWalkDistance
San Francisco International 45 min - 27.4 mi
Metro Oakland International 49 min - 35.1 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 5
Type: Surface
Included in Rent: Yes
Drew Soltis 415-485-0500 Cushman & Wakefield
Drew Soltis 415-485-0500 Cushman & Wakefield