Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$1,050,000

  • For Sale
  • Active
  • Duplex
  • 6 Beds
  • 2 Full Baths
  • 1,694 Sq. Ft.
  • Updated 12 hours ago
See This Home
Save This Home
See This Home
Save This Home
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.

Full Property Details for 1916 Seidenberg Ave

General

  • Price: $1,050,000
  • Taxes: $7,286 (2025)
  • Status: Active
  • Type: Duplex
  • Source: 927
  • MLS ID: 619618
  • Updated: 5/13/2026
  • Added to Site: 21 day(s) ago

Interior

  • Number of Rooms: 1
  • Appliances: Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
  • Flooring: Vinyl

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 6

Exterior

  • Deck/Patio: Open Porch/Balcony
  • Porch/Patio/Deck: Open Porch/Balcony

Parking

  • Parking Features: Off Street

Location

  • Area: 03 - Key West
  • County: Monroe
  • Subdivision: Key West Realty Cos Sub (3.0)

Community

  • Assoc. Fees Include: None
  • Pets Allowed: Yes

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Wall/Window Unit(s), Ceiling Fans(s)

Structural Information

  • Architectural Style: Above Flood
  • Construction: Other
  • Roof: Metal
  • Square Feet: 1,694
  • Sq. Ft. Source: Property Data Card
  • Year Built: 1953

Lot Features

  • Property View: No Waterview
  • Lot Size (Acres): 0.1
  • Lot Size (Sq. Ft.): 4,426
  • Lot Dimensions: 44 x 100
  • Zoning: MDR-1 - Medium Desnity Residential

Water Features

  • Water View: Yes

Financial Considerations

  • Tax Amount: $7,286.73
  • Tax Year: 2025

Disclosures and Reports

  • Legal Description: Kw Kw Realty Co's First Sub Pb1-43 Sw'ly 11.50Ft Of Lot 9 & Ne'ly 32.76Ft Of Lot 10 Sqr 16 Tr 21 Or514-545 Or518-406 Or7
  • APN: 47020000000

Listed by eXp Realty LLC KW Branch, Monika Rydzak (305) 395-0250 and eXp Realty LLC KW Branch, Dayanna E Castro (305) 434-6661

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agents

— 1916 Seidenberg Ave —

  • Monika Rydzak

    eXp Realty LLC KW Branch

  • Dayanna E Castro

    eXp Realty LLC KW Branch

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 1916 Seidenberg Ave

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Horace O'bryant School
1105 Leon Street, Key West, FL 33040
6-80.4 mi
Key West High School
2100 Flagler Avenue, Key West, FL 33040
9-120.2 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 1916 Seidenberg Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/23/2026
Listed
$1,050,000
16.8%
MLS
5/13/2022
Sold
$899,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 1916 Seidenberg Ave

Year
Property Taxes
Change
Tax Assessment
Change
2024
$6,898
—
$748,688
4%
2024
$6,898
-1%
$721,376
—
2023
$6,991
38%
$724,499
51%
2021
$5,063
-11%
$480,524
-28%
2022
$5,668
12%
$667,776
39%
2021
$5,063
15%
$481,219
19%
2019
$4,408
-3%
$405,148
—
2018
$4,532
5%
$403,294
-2%
2017
$4,331
1%
$410,607
2%
2016
$4,292
7%
$401,895
33%
2015
$3,998
8%
$303,001
10%
2014
$3,699
-2%
$275,456
—
2013
$3,780
—
$276,443
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 1916 Seidenberg Ave

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by eXp Realty LLC KW Branch, Monika Rydzak (305) 395-0250 and eXp Realty LLC KW Branch, Dayanna E Castro (305) 434-6661

Similar Properties near 1916 Seidenberg Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

2515 Staples Ave, Key West, FL 33040 - Photo 1
$1,286,000

2515 Staples Ave  Key West, FL 33040

  • Duplex
  • Active
  • Updated 12 hours ago
  • 5
    Beds
  • 3
    Total Baths
  • 1,752
    Sq. Ft.
Listed by Loffreno Real Estate, Ea Ruth and Realty Executives Florida Keys Old Town, Michelle Blades
1432 Eliza St, Key West, FL 33040 - Photo 1
$849,000

1432 Eliza St  Key West, FL 33040

  • Duplex
  • Active
  • Updated 20 hours ago
  • 5
    Beds
  • 2
    Total Baths
  • 1,501
    Sq. Ft.
Listed by Century 21 All Keys Inc (KW), Ralph J Sanchez and Century 21 All Keys Inc (KW), Daniel Sanchez
2004 Patterson Ave, Key West, FL 33040 - Photo 1
$949,000

2004 Patterson Ave  Key West, FL 33040

  • Duplex
  • Active
  • Updated 22 hours ago
  • 4
    Beds
  • 3
    Total Baths
  • 1,239
    Sq. Ft.
Listed by Berkshire Hathaway HomeServices Knight & Gardner Realty, Rebecca Cobo and Berkshire Hathaway HomeServices Knight & Gardner Realty, Logan Guevremont
1409 4th St, Key West, FL 33040 - Photo 1
$1,250,000

1409 4th St  Key West, FL 33040

  • Duplex
  • Active
  • Updated 16 hours ago
  • 4
    Beds
  • 3
    Total Baths
  • 2,664
    Sq. Ft.
Listed by Expert Realty LLC (HQ), Keys Team Bryant and Kat

Just Listed near 1916 Seidenberg Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

6800 Maloney Ave, Stock Island, FL 33040 - Photo 1 Just Listed
$534,000

6800 Maloney Ave  #13  Stock Island, FL 33040

  • Mobile Home
  • Active
  • Updated 11 hours ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,222
    Sq. Ft.
Listed by Berkshire Hathaway HomeServices Knight & Gardner Realty, Forrest Shearin
4 Coral Dr, Lower Sugarloaf Key, FL 33040 - Photo 1 Just Listed
$450,000
Open House

4 Coral Dr  Lower Sugarloaf Key, FL 33040

  • Mobile Home
  • Active
  • Updated 11 hours ago
  • 2
    Beds
  • 2
    Total Baths
  • 873
    Sq. Ft.
Listed by RE/MAX Keys Connection (KW), Bobby W Coe IV and RE/MAX All Keys Real Estate, Kelly Randin
17286 Jamaica Ln, Sugarloaf Key, FL 33042 - Photo 1 Just Listed
$1,200,000
Open House

17286 Jamaica Ln  Sugarloaf Key, FL 33042

  • Single Family
  • Active
  • Updated 10 hours ago
  • 2
    Beds
  • 2
    Total Baths
  • 1,344
    Sq. Ft.
Listed by Coldwell Banker Schmitt Real Estate Co, Lisa H Ferringo
123 Venetian Way, Sugarloaf Key, FL 33042 - Photo 1 Just Listed
$950,000
Open House

123 Venetian Way  Sugarloaf Key, FL 33042

  • Single Family
  • Active
  • Updated 11 hours ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,548
    Sq. Ft.
Listed by Berkshire Hathaway HomeServices Knight & Gardner Realty, Angelina Will

Price Reduced near 1916 Seidenberg Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

19267 Hansen Trail, Sugarloaf Key, FL 33042 - Photo 1 Price Reduced
-$100,000 (-9.1%)
$999,000

19267 Hansen Trail  Sugarloaf Key, FL 33042

  • Single Family
  • Active
  • Updated 13 hours ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,968
    Sq. Ft.
Listed by Expert Realty LLC (HQ), Justyn Ewald and Expert Realty LLC (HQ), Mason C Kelly
143 Aregood Ln, Upper Sugarloaf Key, FL 33036 - Photo 1 Price Reduced
-$50,000 (-4.88%)
$975,000

143 Aregood Ln  #D1  Upper Sugarloaf Key, FL 33036

  • Townhouse
  • Active
  • Updated 7 hours ago
  • 2
    Beds
  • 3
    Total Baths
  • 1,248
    Sq. Ft.
Listed by Coldwell Banker Schmitt Islamorada, Christy Hughes
136 San Remo Dr, Upper Sugarloaf Key, FL 33036 - Photo 1 Price Reduced
-$250,000 (-5.32%)
$4,445,000

136 San Remo Dr  Upper Sugarloaf Key, FL 33036

  • Single Family
  • Active
  • Updated 1 day ago
  • 8
    Beds
  • 4
    Total Baths
  • 4,681
    Sq. Ft.
Listed by Cypress Realty, Inc., Shane Murray Wilson
169 Venetian Way, Upper Sugarloaf Key, FL 33070 - Photo 1 Price Reduced
-$150,000 (-6.25%)
$2,250,000

169 Venetian Way  Upper Sugarloaf Key, FL 33070

  • Single Family
  • Active
  • Updated 4 hours ago
  • 5
    Beds
  • 3
    Total Baths
  • 2,941
    Sq. Ft.
Listed by RE/MAX All Keys Real Estate, Jane Wasmund and RE/MAX All Keys Real Estate, Wendy Ives

Recent Sales near 1916 Seidenberg Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

2109 Seidenberg Ave, Key West, FL 33040 - Photo 1 Sold
$1,180,000

2109 Seidenberg Ave  Key West, FL 33040

  • Single Family
  • Closed
  • Updated 2 hours ago
  • 4
    Beds
  • 3
    Total Baths
  • 1,554
    Sq. Ft.
Listed by Preferred Properties (KW), Michael H Irwin and Preferred Properties (KW), Kathryn E Irwin
Sold by Bascom Grooms Real Estate (KW), Haydee Stewart
1705 Von Phister St, Key West, FL 33040 - Photo 1 Sold
$1,130,000

1705 Von Phister St  Key West, FL 33040

  • Single Family
  • Closed
  • Updated 15 hours ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,284
    Sq. Ft.
Listed by Suzanne Moore Real Estate, Suzanne M Moore
Sold by Berkshire Hathaway HomeServices Knight & Gardner Realty, Dustan Carpenter
1708 Duncan St, Key West, FL 33040 - Photo 1 Sold
$960,000

1708 Duncan St  Key West, FL 33040

  • Single Family
  • Closed
  • Updated 15 hours ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,596
    Sq. Ft.
Listed by Sunshine State Realty Services, Melva G Borley
Sold by Expert Realty LLC (HQ), Natallie M Liz
1527 Von Phister St, Key West, FL 33040 - Photo 1 Sold
$1,100,000

1527 Von Phister St  Key West, FL 33040

  • Duplex
  • Closed
  • Updated 15 hours ago
  • 4
    Beds
  • 3
    Total Baths
  • 1,767
    Sq. Ft.
Listed by Preferred Properties (KW), Corinne Held, PA and Preferred Properties (KW), Key West Luxury Finders
Sold by Preferred Properties (KW), Laura A McChesney

1916 Seidenberg Avenue, Key West, FL 33040 (MLS# 619618) is a Duplex property with 6 bedrooms and 2 full bathrooms. 1916 Seidenberg Avenue is currently listed for $1,050,000 and was received on April 23, 2026. Want to learn more about 1916 Seidenberg Avenue? Do you have questions about finding other Duplex real estate for sale in Key West? You can browse all Key West real estate or contact a Coldwell Banker agent to request more information.

Tour this property