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Duplex With Finished Basement
For Sale
$424,999

11 Sunnyside Avenue, Middletown, NY 10940

MULTI_FAMILY - Middletown, NY

Property SizeContact for details
Lot Size0.13 Acres
Days on Market20

Property Features for 11 Sunnyside Avenue

General Information

Property type Residential Multi Family
Property subtype Duplex
Bedrooms 4
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 2, Bathroom 2, Bedroom 3, Bathroom 1, Basement, Bedroom 1, Bedroom 4
Parking features Parking Lot, Driveway
Basement Partially Finished, Full
Elementary school William A Carter School
Middle school Middletown Twin Towers Middle Sch
High school Middletown High School
Elementary school district Middletown
Middle school district Middletown
High school district Middletown
Standard status Active
APN 330900-027-000-0002-006.000-0000
Lot size 0.13 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 6130

Utilities

Sewer type Public Sewer
Heating system Natural Gas
Cooling system Window Unit(s), Wall/Window Unit(s)
Water source Public

Amenities

partially finished basement

Building Details

Year built 1920
Number of units 2
Flooring type Hardwood
Listing Agency: Keller Williams Realty
Listed By: Valerie E. Jewis
Added: Jul 31 Changed: Aug 15 Last Checked: Aug 19 at 5:06PM
MLS# 1035711

Copyright © 2026 OneKey MLS. 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.

Built in 1920, this duplex contains two apartments, each with two bedrooms and one full bathroom. Both units feature open-concept layouts, hardwood flooring, comfortable living areas, and generously proportioned bedrooms. One apartment also has a separate office, while the partially finished basement adds storage or usable area.

The property occupies 0.1263 acres in Middletown, with driveway and parking lot accommodations. Public water and public sewer serve the home, which is heated by natural gas and cooled with window or wall/window units. Shopping, restaurants, schools, and major commuter routes are accessible from the property’s in-town setting.

Key Highlights

  • Two apartments, each with 2 bedrooms and 1 full bathroom
  • One unit includes a dedicated office
  • Partially finished basement for storage or additional 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-unit residential property with flexible living arrangements, dedicated office space, and additional basement utility.
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 apartments, each with 2 bedrooms and 1 full bathroom; One unit includes a dedicated office; Partially finished basement for storage or additional usable space
More about this property
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