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Legal Duplex on Spacious Lot

1409 4Th Street Key West, FL 33040

Claim this Listing
For Sale
$1,250,000

MULTI_FAMILY - Key West, FL

Property size:
2,664 SF
Lot size:
0.23 Acres
Price / SF:
$469/SF
Added:
Mar 1, 2026
Days on Market:
134
Last Refresh:
Jul 13 at 1:06 am

Property Features for 1409 4Th Street

General Information

Property type
Residential Multi Family
Property subtype
Other
Zoning
MDR-1 - Medium Desnity Re
Bedrooms
4
Bathrooms
3
Rooms
Bathroom 3, Bathroom 2, Bedroom 3, Bedroom 2, Bedroom 1, Bedroom 4, Bathroom 1
Security features
Security
Patio and Porch features
Deck, Patio
Pool private
1
Interior features
Walk-in Closet(s)
Exterior features
Shed
Accessibility
Accessible Approach with Ramp
Appliances
Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave
Standard status
Active
APN
00045530-000000
Size
2,664 SF
Lot size
0.23 Acres

Taxes and HOA fees

Tax Year
2025
Tax Description
KW KW REALTY COS FIRST SUB PB1-43 LOTS 13 - 14 SQR 5 TR 21 G11-151/53 OR412-61/62 OR1273-183/85 OR2187-2412 OR2598-1347/
Tax Annual Amount
6447

Utilities

Heating system
Central
Cooling system
Central Air

Building Details

Year built
1976
Flooring type
Tile
Building materials
CBS, Concrete, Frame
Roof type
Tile

Listing agent Keys Team Bryant and Kat

Listing office Expert Realty LLC (HQ) 517 Duval St, #205, Key West, FL

Listing date Mar 1, 2026

MLS# 618862 Listing URL

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.


Investment Insights

Based on property information with market context.

This property features a legal duplex situated on a 10,000 SqFt corner lot. The main residence, constructed of solid CBS, includes 2 bedrooms, 2 bathrooms, and 2,004 SqFt of living space. The layout is open-concept, featuring a large living room and a kitchen with an adjoining dining area, enhanced by natural light. Additional features include a garage, laundry room, and the potential to add a third bedroom. A separate 2-bedroom, 1-bath cottage provides 660 SqFt of space, suitable for rental income, extended family, or use as a private guest house. The expansive yard offers space for a custom patio, outdoor kitchen, or fire pit, suitable for entertaining or outdoor enjoyment. There is parking for multiple vehicles, a boat, or a trailer. Located in Key West, Florida, this property offers potential for investors or those seeking a multi-generational living solution.

Key Highlights

  • Legal duplex on a 10,000 SF corner lot with a main residence plus a separate 2‑bedroom, 1‑bath cottage
  • Main residence: 2,004 SF CBS construction with 2 bedrooms, 2 bathrooms, living room, kitchen, and dining area
  • Separate cottage: 660 SF with 2 bedrooms and 1 bathroom, suitable for rental income, extended family, or guest use

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

(Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Auto Repair Shop Catering Service Cosmetic Store (Bike/Boat/Book/etc) Store Daycare Center (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Tanning Salon

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Duplex - Legal duplex with rental income potential on a 10,000 SqFt lot.
Where is this duplex located?
The property is located at 1409 4Th Street Key West, FL.
What is the asking price?
The asking price for this property is $1,250,000.
What are key features of this property?
This property features: Legal duplex on a 10,000 SF corner lot with a main residence plus a separate 2‑bedroom, 1‑bath cottage; Main residence: 2,004 SF CBS construction with 2 bedrooms, 2 bathrooms, living room, kitchen, and dining area; Separate cottage: 660 SF with 2 bedrooms and 1 bathroom, suitable for rental income, extended family, or guest use
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