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646 William Street, Key West, FL - photo 1

$1,400,000

646 William Street

Key West, FL 33040

Estimated payment $7,654/month

HOA not listed, not included · estimated tax · estimated insurance · 20% down, 6.5%, 30 yr

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3Beds
2Baths
1,780Sq Ft
$787Price/Sq Ft

Preferred partner

Kinsfolk Realty

Kinsfolk Signature Realty

Powered by Hometrino

(813) 602-0498

Highlights

Built in 1928
3,920 sqft Lot

About This Home

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 will require renovation.

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Facts & features

Bedrooms & bathrooms

  • •Bedrooms:3
  • •Bathrooms:2
  • •Full bathrooms:2
  • •Half bathrooms:0

Heating

  • •Has Heating:Yes

Interior area

  • •Total structure area:1,780 sqft
  • •Total interior livable area:1,780 sqft

Parking

  • •Parking features:N/A
  • •Garage spaces:0
  • •Has attached garage:No

Lot

  • •Size:3,920 sqft

Details

  • •Parcel number:N/A

Type & style

  • •Home type:Multi Family
  • •Property subtype:Residential

Materials

  • • N/A

Condition

  • •Year built:1928

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Price history

DateEventPrice
10/30/2026Listed for sale$1,400,000$787/sqft

Listing Agent

Louis M Paez

Coldwell Banker Schmitt Real Estate Co. (KW)

Brokerage Phone: 305-296-7727

Source: Florida Keys MLS · MLS #621406

Data Powered by Home Junction, Inc.

Nearby

Schools

KEY WEST MONTESSORI CHARTER SCHOOL, INC

Elementary · 0.5 mi

MONROE VIRTUAL INSTRUCTION PROGRAM

Elementary · 0.6 mi

MONROE VIRTUAL FRANCHISE

High · 0.6 mi

Supermarkets

Charlie's Grocery

0.0 mi

Island Grocery

0.1 mi

Olivia Street Grocery

0.1 mi

Dining

Lola’s

0.2 mi

Jose's 2

0.3 mi

Cole's Peace Artisan Breads

0.3 mi

Parks

Bill Butler Park

0.1 mi

Nancy Forrester's Secret Garden

0.2 mi

Gato Village Pocket Park

0.4 mi

Beaches

South Beach

0.6 mi

Dog Beach

0.6 mi

Higgs Beach

0.9 mi

Nearby amenity locations include data © OpenStreetMap contributors.