Duplex with Solid Income - $91,800/Year
This income-producing duplex offers two spacious units, each featuring 3 bedrooms and 1 bathroom--an ideal setup for steady, long-term rental demand. Currently leased at $3,850 and $3,800 per month, the property delivers a strong annual income of $91,800.
Situated on a 4,400 sq. ft. lot in a desirable location near the coast, this property is just a short ride from the energy of downtown, making it highly attractive to tenants who want both convenience and lifestyle.
Each unit is separately configured, providing flexibility for investors or owner-occupants. The rear unit benefits from off-street parking--a valuable feature in this market. Built with durable Indian Block construction, the property offers long-term structural integrity with room for future value-add opportunities.
For sale
$999,000
1916 Seidenberg Ave, Key West, FL 33040
6beds
1,694sqft
Duplex
Built in 1953
-- sqft lot
$-- Zestimate®
$590/sqft
$-- HOA
What's special
- 133 days
- 304
- 15
Zillow last checked:
Listing updated:
Listed by:
Monika Rydzak 305-395-0250,
eXp Realty LLC KW Branch,
Dayanna E Castro 305-434-6661,
eXp Realty LLC KW Branch
Source: FLKMLS,MLS#: 619618
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 2
- Full bathrooms: 2
Bedroom 1
- Level: Main
Cooling
- Wall/Window Unit(s), Ceiling Fans(s)
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave
Features
- Flooring: Vinyl
Interior area
- Total structure area: 1,694
- Total interior livable area: 1,694 sqft
Property
Features
- Levels: Ground Level
- Patio & porch: Open Porch/Balcony
Lot
- Size: 4,356 Square Feet
- Dimensions: 44 X 100
Details
- Parcel number: 00047020000000
- Zoning: MDR-1 - Medium Desnity Residential
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Duplex
Materials
- Other
Condition
- Year built: 1953
Utilities & green energy
- Utilities for property: Elect Separate Meter
Community & HOA
Community
- Subdivision: Key West Realty Cos Sub (3.0)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Key West
Financial & listing details
- Price per square foot: $590/sqft
- Tax assessed value: $721,376
- Annual tax amount: $7,286
- Date on market: 4/24/2026
Estimated market value
Not available
Estimated sales range
Not available
$3,099/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/2/2026 | Price change | $999,000-4.9%$590/sqft |
Source:  FLKMLS #619618 Report a problem | ||
| 4/24/2026 | Listed for sale | $1,050,000-1.7%$620/sqft |
Source: eXp Realty #619618 Report a problem | ||
| 2/1/2026 | Listing removed | $1,068,000$630/sqft |
Source:  Key West AOR #617144 Report a problem | ||
| 11/2/2025 | Listed for sale | $1,068,000-0.1%$630/sqft |
Source: FLKMLS #617144 Report a problem | ||
| 11/1/2025 | Listing removed | $1,069,000$631/sqft |
Source: Key West AOR #616375 Report a problem | ||
| 10/13/2025 | Price change | $1,069,000-0.9%$631/sqft |
Source: Key West AOR #616375 Report a problem | ||
| 9/3/2025 | Listed for sale | $1,079,000$637/sqft |
Source: FLKMLS #616375 Report a problem | ||
| 9/1/2025 | Listing removed | $1,079,000$637/sqft |
Source: Key West AOR #615663 Report a problem | ||
| 7/3/2025 | Listed for sale | $1,079,000-6.6%$637/sqft |
Source: Key West AOR #615663 Report a problem | ||
| 6/27/2025 | Listing removed | $1,154,900$682/sqft |
Source: Key West AOR #614599 Report a problem | ||
| 6/5/2025 | Price change | $1,154,900-1.3%$682/sqft |
Source: FLKMLS #614599 Report a problem | ||
| 4/28/2025 | Price change | $1,169,900-2.1%$691/sqft |
Source: Key West AOR #614599 Report a problem | ||
| 4/11/2025 | Listed for sale | $1,195,000+32.9%$705/sqft |
Source: FLKMLS #614599 Report a problem | ||
| 5/18/2022 | Sold | $899,000$531/sqft |
Source: FLKMLS #599727 Report a problem | ||
| 5/13/2022 | Pending sale | $899,000$531/sqft |
Source: FLKMLS #599727 Report a problem | ||
| 3/4/2022 | Contingent | $899,000$531/sqft |
Source: FLKMLS #599727 Report a problem | ||
| 2/18/2022 | Listed for sale | $899,000$531/sqft |
Source: FLKMLS #599727 Report a problem | ||
| 11/1/2021 | Listing removed | -- |
Source: Key West AOR Report a problem | ||
| 5/11/2021 | Listed for sale | $899,000$531/sqft |
Source: Key West AOR #596008 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $6,898 -1.3% | $721,376 -0.4% |
| 2023 | $6,991 +23.3% | $724,499 +37.1% |
| 2022 | $5,668 +11.9% | $528,576 +10% |
| 2021 | $5,063 +4.3% | $480,524 +7.8% |
| 2020 | $4,855 | $445,663 +10% |
| 2019 | $4,855 +10.1% | $405,148 -5% |
| 2018 | $4,408 -2.7% | $426,394 +3.8% |
| 2017 | $4,532 +4.6% | $410,607 +2.2% |
| 2016 | $4,331 +0.9% | $401,895 +17.8% |
| 2015 | $4,292 | $341,151 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: New Town
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