646 William Street, Key West, FL 33040

bedrooms 3
bathrooms 2
|Townhouse
NZD $2,471,620
USD $1,400,000
Published on: 26 Sep 2026
Last updated on: 03 Oct 2026
646 William Street, Key West, FL 33040
646 William Street, Key West, FL 33040
646 William Street, Key West, FL 33040
+24
646 William Street, Key West, FL 33040
  • 24
Property ID: 110110337278
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Residential, Key West, FL

646 William Street, Key West, FL 33040
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.

Property Details

Basic Info

Property Type
Townhouse
Listing Status
Active
Land Size
364.22 m2
Building Size
165.37 m2
Year Built
1928
Rooms
3 bedroom(s), 2 bathroom(s)
Architecture Style
Other
County
Monroe
Parcel ID
00018810000000
Provider
Key West Association of Realtors
Subdivision
Old Town - Unlisted (1.0)
Brokerage Office Name
Coldwell Banker Schmitt Real Estate Co. (KW)
Brokerage Office Phone
(305) 296-7727
Neighbourhoods
Old Town - Unlisted (1.0)
Address
646 William Street, Key West, FL 33040

Tax History

YearTax amount
2025USD $13850NZD $24,451*

*Converted price in your currency provided by Open Exchange Rates. Exchange rates are subject to continuous change. Neither realestate.co.nz nor its affiliates guarantee that the conversion reflects current conversion rates and are not responsible for any inaccuracies. realestate.co.nz recommends that you independently verify any information before relying on it.

Contact Agent
Louis M Paez
Coldwell Banker Schmitt Real Estate Co. (KW)
1201 White Street #101 , Key West, FL 33040
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Louis M Paez
1201 White Street #101 , Key West, FL 33040
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      Property ID: 110110337278

      Original Property ID: 3yd-KWARFL-621406
      Data provided by Key West Association of Realtors, MLS #: 621406
      * THIS SERVICE MAY CONTAIN TRANSLATIONS POWERED BY GOOGLE. GOOGLE DISCLAIMS ALL WARRANTIES RELATED TO THE TRANSLATIONS, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF ACCURACY, RELIABILITY, AND ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
      Copyright © 2026 Key West Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.