Search
Two-Unit Duplex with Screened Porches
For Sale
$1,250,000

1911 Seidenberg Avenue, Key West, FL 33040

Two separately metered residences each have a bedroom, full bath, and independent mini-split air conditioning.

Property Size1,119 SF
Lot Size0.11 Acres
Price / SF$1,117
Days on Market8

Property Features for 1911 Seidenberg Avenue

General Information

Standard status Active
Size 1,119 SF
Total Parking Spaces 2
Lot size 0.11 Acres
Property subtype Multi-family

Units

Unit Mix 2 x 1BR/1BA
Multifamily Units 2
Individually Metered Utilities unspecified utilities

Taxes and HOA fees

Annual Taxes $7,059

Building Details

Building Size 1,119 SF
Year Built 1943
Stories 2
Listing Agency: Ocean Sotheby's International Realty
Listed By: Everett H Smith · License #670558
Source: Keystoprealty
Added: Oct 21 Changed: Oct 26 Last Checked: Oct 26 at 2:26PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Ocean Sotheby's International Realty

Rey
Ask AI about this property
Review the available facts, identify missing information and prepare questions for the agent.

Investment Insights

Based on property information with market context.

This legal duplex contains two one-bedroom, one-bath units, each separately metered. The two-story building totals 1,119 square feet and sits on a 5,000-square-foot lot. Interior features include pine, vinyl, and concrete flooring, updated appliances, and soft-close cabinetry. Both residences have screened porches, and the property also includes open-air areas and an outdoor shower.

Updates include Mitsubishi mini-split air conditioning in both units, a new hot water heater, new ceiling fans, impact windows upstairs, and new gutters. Full bathrooms include tubs. Two off-street parking spaces serve the property, and the grounds feature mature tropical plantings and palms. Built in 1943, the property is on Seidenberg Avenue in Key West’s Midtown East area.

Key Highlights

  • Legal duplex with two separately metered 1‑bedroom, 1‑bath units
  • 1,119 square feet on a 5,000‑square‑foot lot
  • Two large screened porches, plus open‑air areas and an outdoor shower

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,411
Businesses Nearby

Demographics for 33040, FL

35,958
Population
19,001
Households
1.9
Avg Household Size
44
Median Age
38%
College-Educated
92%
High-School Grad
17.7 sq mi
ZIP Area
2,032
Density / Sq Mi
$79,038
Median Household Income
$42,458
Median Earnings
$2,079
Median Rent
$766,400
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in South region

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025

Frequently Asked Questions

What type of property is this?
Duplex - Two separately metered residences each have a bedroom, full bath, and independent mini-split air conditioning.
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; 1,119 square feet on a 5,000‑square‑foot lot; Two large screened porches, plus open‑air areas and an outdoor shower
Research This Page with AI

Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

Ask Rey → ChatGPT Grok Claude
Preferred Make Realmo a preferred source.

Our comps and market reports get this label in your Google results.

Add as a preferred source on Google One click on Google
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
Why this one?
Saved