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.
Pending
$1,250,000
643 Main Street, Sausalito, CA 94965
3beds
1,690sqft
2 Houses on Lot
Built in 1898
-- sqft lot
$1,228,100 Zestimate®
$740/sqft
$-- HOA
What's special
- 33 days |
- 3,286 |
- 118 |
Zillow last checked:
Listing updated:
Listed by:
Justin J O'Reilly DRE #02170089,
Compass 415-805-2900,
Matthew W Knight DRE #02151608,
Compass
Source: BAREIS,MLS#: 326045567
Originating MLS: Marin County
Originating MLS: Marin CountyFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Rooms
- Room types: Den, Dining Room, Kitchen, Living Room, Master Bathroom, Master Bedroom
Primary bedroom
- Level: Lower,Main
Bedroom
- Level: Lower,Main
Bathroom
- Level: Lower,Main
Dining room
- Level: Lower,Main
Kitchen
- Features: Breakfast Area
- Level: Lower,Main
Living room
- Level: Main
Heating
- Electric
Cooling
- Window Unit(s)
Appliances
- Included: Dishwasher, Free-Standing Gas Oven, Free-Standing Gas Range, Free-Standing Refrigerator, Gas Plumbed, Gas Water Heater, Dryer, Washer
- Laundry: Electric, In Basement
Features
- Basement: Unfinished
- Number of fireplaces: 1
- Fireplace features: Brick, Living Room
Interior area
- Total structure area: 1,690
- Total interior livable area: 1,690 sqft
Property
Parking
- Total spaces: 2
- Parking features: No Garage, Uncovered Parking Spaces 2+, Gentle Down, Paved, Shared Driveway
- Has uncovered spaces: Yes
Features
- Levels: Three Or More
- Stories: 3
- Patio & porch: Covered, Deck
- Exterior features: Balcony
- Has view: Yes
- View description: Bay
- Has water view: Yes
- Water view: Bay
Lot
- Size: 3,210 Square Feet
- Features: Curb(s), Curb(s)/Gutter(s), Sidewalk/Curb/Gutter
Details
- Parcel number: 06525325
- Zoning: Duplex
- Special conditions: Offer As Is,Trust
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Victorian
- Property subtype: 2 Houses on Lot
- Attached to another structure: Yes
Materials
- Frame, Wood Siding
- Foundation: Concrete Perimeter, Pillar/Post/Pier, Raised
- Roof: Composition
Condition
- Year built: 1898
Utilities & green energy
- Sewer: Public Sewer
- Water: Meter on Site, Water District
- Utilities for property: Cable Available, Electricity Connected, Internet Available, Natural Gas Available, Natural Gas Connected, Sewer Connected
Community & HOA
Community
- Subdivision: Old Town
HOA
- Has HOA: No
Location
- Region: Sausalito
Financial & listing details
- Price per square foot: $740/sqft
- Tax assessed value: $388,596
- Annual tax amount: $7,891
- Date on market: 5/26/2026
- Electric utility on property: Yes
- Road surface type: Paved
Estimated market value
$1,228,100
$1.17M - $1.29M
$5,578/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/20/2026 | Pending sale | $1,250,000$740/sqft |
Source:  BAREIS #326045567 Report a problem | ||
| 5/26/2026 | Listed for sale | $1,250,000$740/sqft |
Source: BAREIS #326045567 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $7,891 +6.3% | $388,596 +2% |
| 2024 | $7,421 +2% | $380,976 +2% |
| 2023 | $7,276 +3.4% | $373,509 +2% |
| 2022 | $7,036 +1.1% | $366,186 +2% |
| 2021 | $6,959 +2.3% | $358,986 +1% |
| 2020 | $6,803 +3% | $355,306 +2% |
| 2019 | $6,604 +4.3% | $348,340 +2% |
| 2018 | $6,334 +2.3% | $341,511 +2% |
| 2017 | $6,193 +4% | $334,815 +2% |
| 2016 | $5,956 +0.6% | $328,251 +1.5% |
| 2015 | $5,922 +3.8% | $323,320 +2% |
| 2014 | $5,706 | $316,988 +0.5% |
| 2013 | -- | $315,556 +2% |
| 2012 | -- | $309,372 +2% |
| 2011 | -- | $303,306 +0.8% |
| 2010 | -- | $301,040 -0.2% |
| 2009 | -- | $301,757 +2% |
| 2008 | -- | $295,841 +2% |
| 2007 | -- | $290,040 +2% |
| 2006 | -- | $284,353 +2% |
| 2005 | -- | $278,779 +2% |
| 2004 | -- | $273,315 +1.9% |
| 2003 | -- | $268,307 +2% |
| 2002 | -- | $263,047 +2% |
| 2001 | -- | $257,891 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 94965
Nearby schools
GreatSchools rating
- 7/10Dr. Martin Luther King Jr. AcademyGrades: K-8Distance: 2.3 mi
- 10/10Tamalpais High SchoolGrades: 9-12Distance: 3.6 mi
Schools provided by the listing agent
- District: Tamalpais Union
Source: BAREIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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- California
- Marin County
- Sausalito
- 94965
- 643 Main Street
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