643 Main St Sausalito, CA 94965
Estimated payment $7,397/month
Highlights
- Additional Residence on Property
- Bay View
- Victorian Architecture
- Tamalpais High School Rated A
- Covered Deck
- Breakfast Area or Nook
About This Home
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.
Home Details
Home Type
- Single Family
Year Built
- Built in 1898
Lot Details
- 3,211 Sq Ft Lot
- Property is zoned Duplex
Home Design
- Victorian Architecture
- Fixer Upper
- Pillar, Post or Pier Foundation
- Raised Foundation
- Frame Construction
- Composition Roof
- Wood Siding
- Concrete Perimeter Foundation
Interior Spaces
- 1,690 Sq Ft Home
- 3-Story Property
- Brick Fireplace
- Living Room with Fireplace
- Bay Views
- Laundry in Basement
Kitchen
- Breakfast Area or Nook
- Free-Standing Gas Oven
- Free-Standing Gas Range
- Dishwasher
Bedrooms and Bathrooms
- 3 Bedrooms
- 2 Full Bathrooms
Laundry
- Dryer
- Washer
Parking
- No Garage
- Uncovered Parking
Outdoor Features
- Balcony
- Covered Deck
Additional Homes
- Additional Residence on Property
Utilities
- Window Unit Cooling System
- Heating Available
- Gas Water Heater
- Internet Available
- Cable TV Available
Community Details
- Old Town Subdivision
Map
Home Values in the Area
Average Home Value in this Area
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $7,891 | $388,596 | $133,233 | $255,363 |
| 2024 | $7,421 | $380,976 | $130,620 | $250,356 |
| 2023 | $7,276 | $373,509 | $128,060 | $245,449 |
| 2022 | $7,036 | $366,186 | $125,549 | $240,637 |
| 2021 | $6,959 | $358,986 | $123,078 | $235,908 |
| 2020 | $6,803 | $355,306 | $121,816 | $233,490 |
| 2019 | $6,604 | $348,340 | $119,428 | $228,912 |
| 2018 | $6,334 | $341,511 | $117,087 | $224,424 |
| 2017 | $6,193 | $334,815 | $114,791 | $220,024 |
| 2016 | $5,956 | $328,251 | $112,541 | $215,710 |
| 2015 | $5,922 | $323,320 | $110,850 | $212,470 |
| 2014 | $5,706 | $316,988 | $108,679 | $208,309 |
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 06/19/2026 06/19/26 | Pending | -- | -- | -- |
| 05/26/2026 05/26/26 | For Sale | $1,250,000 | -- | $740 / Sq Ft |
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Interfamily Deed Transfer | -- | Old Republic Title Company | |
| Trustee Deed | -- | Old Republic Title | |
| Interfamily Deed Transfer | -- | Old Republic Title Company | |
| Interfamily Deed Transfer | -- | Old Republic Title Company | |
| Interfamily Deed Transfer | -- | Fidelity National Title Co | |
| Interfamily Deed Transfer | -- | Fidelity National Title Co | |
| Interfamily Deed Transfer | -- | -- | |
| Interfamily Deed Transfer | -- | California Land Title Marin | |
| Interfamily Deed Transfer | -- | California Land Title Marin | |
| Interfamily Deed Transfer | -- | -- |
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $610,000 | New Conventional | |
| Previous Owner | $614,000 | New Conventional | |
| Previous Owner | $636,300 | New Conventional |
Source: Bay Area Real Estate Information Services (BAREIS)
MLS Number: 326045567
APN: 065-253-25
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
Listing information deemed reliable but not guaranteed. Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.
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