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For Sale

643 Main Street

643 Main Street, Sausalito, CA 94965

$1,250,000
Set in fabulous Old Town with bay views, this Sausalito duplex presents a rare opportunity for investors, contractors, or buyers seeking a value-add property with exceptional upside potential. The upper unit features 2 bedrooms and 1 bath, while the lower unit offers 1 bedroom and 1 bath, creating flexible possibilities for rental income, multi-generational living, or future renovation plans. Ideally positioned near shops, dining, waterfront attractions, and transportation, the property combines location, views, and potential in one compelling package. Sold as-is.

5/27/2026 11:00AM - 2:00PM PDT

5/30/2026 12:00PM - 3:00PM PDT

5/31/2026 12:00PM - 3:00PM PDT

3
beds

2
baths

1,690 Sq.Ft. LIVING AREA

3,211 Sq.Ft. lot

Matt Knight

Matt Knight

Features & Amenities

Interior

  • total bedrooms3
  • Total bathrooms2
  • full bathrooms2
  • Laundry room Dryer Included, Electric, In Basement, Washer Included
  • Fireplace Brick, Living Room
  • APPLIANCES Dishwasher, Free-Standing Gas Oven, Free-Standing Gas Range, Free-Standing Refrigerator, Gas Plumbed, Gas Water Heater

Area & Lot

  • Status For Sale
  • OPEN HOUSE

    5/27/2026 11:00AM - 2:00PM PDT

    5/30/2026 12:00PM - 3:00PM PDT

    5/31/2026 12:00PM - 3:00PM PDT

  • Living Area1,690 Sq.Ft.
  • Lot Area3,211 Sq.Ft.
  • MLS® ID326045567
  • TypeMulti-Family
  • YEAR BUILT1898
  • NeighborhoodSausalito
  • Architecture StylesVictorian
  • View DescriptionBay
  • School DistrictSausalito Marin City Schools

Exterior

  • STORIES3
  • water SourceMeter on Site, Water District
  • utilitiesCable Available, Electricity Connected, Internet Available, Natural Gas Available, Natural Gas Connected
  • roofComposition
  • lot featuresCurb(s), Curb(s)/Gutter(s)
  • parkingNo Garage, Uncovered Parking Spaces 2
  • HEAT TYPEElectric
  • AIR CONDITIONINGWindow Unit(s)
  • sewerPublic Sewer
  • SubstructureConcrete Perimeter, Pillar/Post/Pier, Raised
  • other exterior FeaturesBalcony

Financial

  • Sales Price$1,250,000
  • Zoning Duplex

Sausalito

Famous for its eccentric and historic houseboat community.

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Work With Matt and Justin

Matt and Justin are equipped to provide clients with experienced representation and personalized professional service. Whether you’re buying, selling, or learning about the current real estate market, don’t hesitate to contact them. Your home journey will thank you!

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