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Duplex with Partially Finished Basement
For Sale
$424,999

11 Sunnyside Avenue, Middletown, NY 10940

Two residential units offer open living areas, with one including a dedicated office and the property providing additional basement space.

Property Size2,160 SF
Days on Market19

Property Features for 11 Sunnyside Avenue

General Information

Standard status Active
Size 2,160 SF
Property subtype Residential Income

Units

Unit Mix 2 x 2BR/1BA
Multifamily Units 2

Taxes and HOA fees

Annual Taxes $6,130

Amenities

partially finished basement
dedicated office space

Building Details

Building Size 2,160 SF
Year Built 1920
Units 2
Listing Agency: Keller Williams Realty
Listed By: Valerie E. Jewis
Source: Cornerstonemyhome
Added: Aug 13 Changed: Aug 28 Last Checked: Aug 29 at 10:22AM

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 Keller Williams Realty

Investment Insights

Based on property information with market context.

Built in 1920, this duplex contains two residential units, each configured with 2 bedrooms and 1 full bathroom. Both apartments feature open-concept living areas and generously sized bedrooms, while one unit includes a dedicated office. A partially finished basement adds storage or flexible usable space.

The property is located at 11 Sunnyside Avenue in Middletown, NY, with shopping, restaurants, schools, and major commuter routes accessible from the surrounding area. The two-unit layout supports continued rental use or an owner-occupied arrangement with a separate unit.

Key Highlights

  • Two‑unit duplex with 2 bedrooms and 1 full bathroom in each apartment
  • One apartment includes a dedicated office
  • Partially finished basement provides additional storage or usable space

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Real Estate Agency Parking Lot & Garage Florist Travel Agency (Bike/Boat/Book/etc) Store Tech Support Center

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,015
Businesses Nearby

Demographics for 10940, NY

52,803
Population
19,930
Households
2.6
Avg Household Size
39
Median Age
24%
College-Educated
86%
High-School Grad
63.1 sq mi
ZIP Area
837
Density / Sq Mi
$87,198
Median Household Income
$46,435
Median Earnings
$1,600
Median Rent
$301,400
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Two residential units offer open living areas, with one including a dedicated office and the property providing additional basement space.
Where is this duplex located?
The property is located at 11 Sunnyside Avenue Middletown, NY.
What is the asking price?
The asking price for this property is $424,999.
What are key features of this property?
This property features: Two‑unit duplex with 2 bedrooms and 1 full bathroom in each apartment; One apartment includes a dedicated office; Partially finished basement provides additional storage or usable space
More about this property
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