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$1,400,000
Key West, FL 33040
MLS# 621406
3 beds | 2 baths | 1780 sqft
1 / 3
Property Description
644 William Street The property being sold is 644 William Street. The current property record/card reflects both 644 and 646 William Street, although the property being conveyed is 644 William Street. The structure at 644 William Street is a two-and-a-half-story home currently configured as a duplex and is in need of renovation. The first floor consists of two bedrooms and two bathrooms. The second floor contains two bedrooms and one bathroom. A stairwell provides access to the third floor, which is currently unfinished and is not completed or configured as living space. In its current condition, the property contains four bedrooms and three bathrooms of finished living area, with additional unfinished space on the third floor. The property is currently being used/configured as a duplex and will require renovation.
Details
Maps
Contract Information
Listing Board: Key West Association
Potential Short Sale: No
Bank Owned: No
Current Price: $1,400,000
Listing Date: 2026-09-23
List Price: $1,400,000
Location, Tax & Legal
KW Neighborhood: Old Town-N of Truman
City: KEY WEST
Mile Marker: 1
Marathon Neighborhood: N/A
Side: Median
Alternate Key #: 1019453
Parcel #: 00018810000000
Zoning: HHDR - Historic High Density Residential
Deed Restrictions: Unknown
Legal: Kw Pt Of Tr 5 C3-569
Taxes: 13849.76
Tax Year: 2025
Pub Sewer HkUp: Yes
Street #: 646
Street Name: William
Street Suffix: Street
Key/Island: Key West
State/Province: FL
Zip Code: 33040
County: Monroe
Subdivision: Old Town - Unlisted (1.0)
Area: 02 - Key West
General Property Description
Realtor.COM Type: Multi-family
Waterfront: No
Control Depth: 0
Lot Size: 65 X 78
Lot SqFt: 4116
Pool: No
Acres: 0.09
SqFt Source: Property Data Card
Rentals Allowed: Yes
Min Rental Days: 30
Style: Duplex
Year Built: 1928
Living Apx SqFt: 1780
Total Bedrooms: 3
Full Baths: 2
Total Baths: 2
Remarks & Misc
Remarks – Consumer: 644 William Street
The property being sold is 644 William Street. The current property record/card reflects both 644 and 646 William Street, although the property being conveyed is 644 William Street.
The structure at 644 William Street is a two-and-a-half-story home currently configured as a duplex and is in need of renovation.
The first floor consists of two bedrooms and two bathrooms. The second floor contains two bedrooms and one bathroom. A stairwell provides access to the third floor, which is currently unfinished and is not completed or configured as living space.
In its current condition, the property contains four bedrooms and three bathrooms of finished living area, with additional unfinished space on the third floor. The property is currently being used/configured as a duplex and will require renovation.
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0
License Info
Non Trans Rntl Lic: 1
Fee Includes
None: 1
Dockage
None: 1
Tax Exemptions
None: 1
Pets
Pets Allowed: 1
Cooling
Wall/Window Unit(s): 1
Heating
Hot Water: 1
Waterfront
None: 1
Waterview
No Waterview: 1
Floor
Combo: 1
Property Condition
Fixer Upper: 1
Building Style
Above Flood: Yes
Conch: 1
Stories: 2 Stories
Windows/Doors
Wood Windows: 1
Vehicle Storage
Off Street Parking: 1
Security
No Security: 1
Construction
Frame: 1
Land Size
Less Than 1/4 Acre: 1
Furnished
Unfurnished: 1
Terms
Cash: 1
Conventional: 1
Utilities
FKAA: 1
Porch/Balcony
Open Porch/Balcony: 1
Title
Title Ins - Seller: 1
Roof
Metal Roof: 1
Financial Status
Bank Owned: No
Potential Short Sale: No
Shutters
Other: 1
Status Change Info
Status: Active
Property Features
Fee Includes: None
Tax Exemptions: None
License Info: Non Trans Rntl Lic
Waterfront: None
Waterview: No Waterview
Dockage: None
Property Condition: Fixer Upper
Building Style: Conch
Vehicle Storage: Off Street Parking
Furnished: Unfurnished
Cooling: Wall/Window Unit(s)
Heating: Hot Water
Utilities: FKAA
Construction: Frame
Shutters: Other
Floor: Combo
Roof: Metal Roof
Pets: Pets Allowed
Security: No Security
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional
Title: Title Ins - Seller
Listing Office: Coldwell Banker Schmitt Real Estate Co. (KW)
Last Updated: September - 25 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.