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643 Main St, Sausalito, CA 94965

$1,225,000
Last sold 07/01/2026 after 36 Days
3
bed
2
bath
1,690
Sqft ($725/Sqft)

House not for sale

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About 643 Main St

Property type House

Neighborhood

Year built 1898

HOA fee $0/month

Lot size 3,211 Sqft

Movoto estimate

Property description

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.

Listed by

Listing Agent - Justin J O'Reilly

Listing Office - Compass

Source: BAREIS

MLS#326045567 • last updated 1 month ago

Movoto checked BAREIS for data 6 minutes ago

Overview
Cooling/AC	Window Unit(s)
Heating	Electric
Levels/Style	3, Three Or More, Victorian
SqFt	1690
SubType	Attached, 2 Houses On Lot
2nd Unit Type	2nd Unit Attached
Type	Residential
Year Built	1898
MLS #	326045567
Status	Closed
On Market Date	2026-05-26
Lot Size (Acres)	0.0737
Lot Size (SqFt)	3211
Condition	Fixer, Original

Interior
# Full Baths	2
2nd Unit: # Full Baths	1
Total # of Bathrooms	2
Total # of Bedrooms	3
2nd Unit: # Bedrooms	1
Kitchen	Breakfast Area
Basement	Unfinished
Other Rooms	Den, Dining Room, Kitchen, Living Room, Primary Bathroom, Primary Bedroom
Total # of Rooms	9
Laundry	Dryer Included, Electric, In Basement, Washer Included
Appliances	Dishwasher, Free Standing Gas Oven, Free Standing Gas Range, Free Standing Refrigerator, Gas Plumbed, Gas Water Heater
Fireplace Desc	Brick, Living Room

Exterior
Roof	Composition
Foundation	Concrete Perimeter, Pillar/Post/Pier, Raised
Construction	Frame, Wood Siding
# Parking Spaces	2
Parking	No Garage, Uncovered Parking Spaces 2+
Drive/ Sidewalk	Gentle Down, Paved Driveway, Paved Sidewalk, Shared Driveway, Sidewalk/Curb/Gutter
Lot Desc	Curb(s), Curb(s)/Gutter(s)
Patio/ Porch	Covered Deck, Uncovered Deck

Amenities / Utilities
Utilities	Cable Available, Electric, Internet Available, Natural Gas Available, Natural Gas Connected, Sewer Connected
Sewer/ Septic	Public Sewer
Water Source	Meter On Site, Water District
Pool	No
Miscellaneous	Balcony
Spa	No

Location
View(s)	Bay
Area	Sausalito
County	Marin
Subdivision	Old Town
Elementary School District	Tamalpais Union
Middle School District	Sausalito Marin City Schools
APN	065-253-25
Zoning	Duplex

Multifamily Details
# of Units	2

$1.27M

Range: $1.11M-$1.42M

Last 30 days

Lower your payment with the loan terms that fit you.

Year Property taxes Tax assessment
2024
$7,421 +2.0%

$388,596 +4.04%
2023
$7,276 +3.4%

$373,509 +2.0%
2022
$7,036 +1.1%

$366,186 +2.01%
2021
$6,959 +2.3%

$358,986 +1.04%
2020
$6,803 +3.0%

$355,306
2019
$6,604 +4.3%

$355,306 +2.0%
2018
$6,334 +2.3%

$348,340 +2.0%
2017
$6,193 +4.0%

$341,511 +2.0%
2016
$5,956 +0.6%

$334,815
2015
$5,922

—

643 Main St
$1.22M
Old Town - Hurricane Gulch
$1.56M -37% y/y
94965
$999K -33% y/y
Sausalito
$967K -40% y/y

No chart available

Statistics calculated by Movoto

	Est. value	Bed/bath	Sqft	mi
639 Main St, Sausalito, CA 94965	$1,912,000	2/2	1,425	0.01
1 Lower Crescent Ave, Sausalito, CA 94965	$1,912,000	2/2	1,247	0.02
40 Crescent Ave, Sausalito, CA 94965	$2,570,000	3/—	1,880	0.02
633 Main St, Sausalito, CA 94965	$2,023,000	2/2	1,720	0.02
36 Crescent Ave, Sausalito, CA 94965	$1,914,000	3/1	1,140	0.03
654 Main St, Sausalito, CA 94965	$2,047,000	3/—	1,680	0.03
4 Lower Crescent Ave, Sausalito, CA 94965	$4,371,000	4/3	3,170	0.03
5 Lower Crescent Ave, Sausalito, CA 94965	$3,600,000	3/2	3,316	0.03

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.