20260924_133041
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646 William Street STREET

KEY WEST, FL 33040
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Bed 3

Bed

Bath 2

Bath

SqFt1,780

Sqft

644 William StreetThe 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 wi ll require renovation.

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Detail Ic Property Details

Property Type : Multi-family

Price : $1,400,000

AD Id : 91506722

MLS Id : 621406

Beds : 3

Living Area Size : 1,780 Sq. Ft

Tax Amount : $13,849.76

Year Built : 1928

County : Monroe

Subdivision: Old Town - Unlisted (1.0)

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Feature Features

  • Bedroom Information

    Total Bedrooms: 3

    Bathroom Information

    Total Baths: 2 Full Baths: 2
  • Interior Features

    Appliances Other: YES
  • Roofing Information

    Metal Roof

    Flooring Information

    Combo

    Heating & Cooling

    Cooling: Wall/Window Unit(s) Heating: Hot Water Water Front: No None No Waterview

    Window Information

    Window Treatments: Wood Windows

  • Building Information

    Year Built: 1928 Floor Location: 4116 Construction: Frame Security System: No Security Roof: Metal Roof

  • Lot Information

    Lot Dimensions: 65 X 78 Lot SqFt: 4,116 Kw Pt Of Tr 5 C3-569
  • Property Information

    SQ ft (Living Area): 1,780 View: No Waterview Subdivision: Old Town - Unlisted (1.0) Stories: 2 Stories

  • Listing Price Information

    List Price: $1,400,000
  • Listing Information

    Cash,Conventional

  • Tax Information

    Taxes: $13,850 Tax Year: 2025 Parcel Number: 00018810000000 Tax Exemptions: None

  • Multi-Unit Information

    Pets Allowed: Pets Allowed
  • Homeowners Association Information

    Mandatory Home Owners Asc: No 1st Right of Refusal: No Association Fee: $0.00

  • Utility Information

    FKAA
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ByOwner last updated this listing 09/30/2026 @ 09:19

MLS: 621406 LISTED BY: Louis M Paez , Coldwell Banker Schmitt Real Estate Co. (KW) 305-296-7727 SOURCE: Florida Keys MLS, Inc.

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