Key West Legal Duplex

1911 Seidenberg Avenue Key West, FL 33040

Claim this Listing
For Sale
$1,250,000

MULTI_FAMILY - Other - Key West, FL

Property size:
1,119 SF
Lot size:
0.12 Acres
Price / SF:
$1,117/SF
Added:
Apr 30, 2026
Days on Market:
75
Last Refresh:
Jul 13 at 3:06 am

Property Features for 1911 Seidenberg Avenue

General Information

Property type
Residential Multi Family
Property subtype
Other
Zoning
SF - Single Family
Bedrooms
2
Bathrooms
2
Rooms
Bedroom 1, Bedroom 2, Bathroom 1, Bathroom 2
Parking features
Off Street
Patio and Porch features
Deck, Patio, Porch
Interior features
Built-in Cabinets
Exterior features
Fencing, Fruit Tree(s), Rain Gutters, Privacy Wall/Fence, Shed
Fencing
Fenced, Privacy
Appliances
Washer, Dryer, Refrigerator, Range, Oven
Standard status
Active
APN
00047280000000
Size
1,119 SF
Lot size
0.12 Acres

Taxes and HOA fees

Tax Year
2025
Tax Description
Kw Kw Realty Co's First Sub Pb1-43 Lot 4 Sqr 19 Tr 21 Or300-449/50 Or402-1080-1081 Or2928-1201
Tax Annual Amount
7059

Utilities

Utilities
Cable Available
Cooling system
Wall/Window Unit(s), Window Unit(s)

Building Details

Year built
1943
Flooring type
Wood, Concrete, Vinyl
Building materials
Frame
Roof type
Metal
Architectural style
Other

Listing agent Everett H Smith License #670558

Listing office Ocean Sotheby's International Realty 1075 Duval Street, 15C, Key West, FL

Listing date Apr 30, 2026

MLS# 619758 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 well-maintained two-story property, configured as a legal duplex, offers an investment opportunity in Key West. The property features two separately metered 1-bedroom, 1-bath units. Set on a 0.12-acre lot, the property is surrounded by mature tropical landscaping, creating a private, shaded setting. Two large screened porches and additional open-air spaces provide indoor-outdoor living, complemented by an outdoor shower. The 1,119 square foot home has been updated and features Mitsubishi mini-split A/C systems in both units, a new hot water heater, new ceiling fans, impact windows upstairs, new gutters, updated appliances, and soft-close cabinetry. Interior finishes include a mix of pine, vinyl, and concrete flooring, along with stainless, Formica, and butcher block countertops. Both units offer full bathrooms with tubs. Additional highlights include two off-street parking spaces and low-maintenance grounds. Located in Midtown East, the property is positioned minutes from Key West attractions. The property is ideal for investors seeking rental potential, business owners looking for employee housing, or owner-occupants wanting to offset costs by renting one unit while living in the other.

Key Highlights

  • Legal duplex with two separately metered 1‑bedroom, 1‑bath units
  • Two‑story frame construction built in 1943 with metal roof
  • Mitsubishi mini‑split A/C systems in both units; window/wall A/C units also listed

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 (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Cosmetic Store (Bike/Boat/Book/etc) Store Daycare Center Tattoo & Piercing Shop Catering Service

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

FAQs

What type of property is this?
Duplex - Well-maintained two-story duplex in Key West's Midtown East.
Where is this duplex located?
The property is located at 1911 Seidenberg Avenue 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 with two separately metered 1‑bedroom, 1‑bath units; Two‑story frame construction built in 1943 with metal roof; Mitsubishi mini‑split A/C systems in both units; window/wall A/C units also listed
Contact an agent
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message