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Duplex with Detached Garage
For Sale
$849,000
Pending

15 Water Street, Rockville Centre, NY 11570

Residential Income, Rockville Centre, NY

Property SizeContact for details
Lot Size0.18 Acres
Days on Market222

Property Features for 15 Water Street

General Information

Property type Residential Multi Family
Property subtype Duplex
Bedrooms 4
Bathrooms 3
Full bathrooms 3
Rooms Bedroom 3, Bedroom 4, Bathroom 1, Basement, Bathroom 2, Bedroom 1, Bathroom 3, Bedroom 2
Parking features Garage, Driveway
Interior features First Floor Bedroom, First Floor Full Bath
Basement Full
Elementary school district Rockville Centre
Middle school district Rockville Centre
High school district Rockville Centre
Standard status Pending
APN 2029-38-287-00-0082-0
Lot size 0.18 Acres

Taxes and HOA fees

Tax Year 2026
Tax Annual Amount 18677

Utilities

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

Building Details

Year built 1913
Number of units 2
Building materials Frame
Listing Agency: Douglas Elliman Real Estate
Listed By: Amr M. El Guindy
Added: Jan 13 Changed: Aug 20 Last Checked: Aug 23 at 7:06AM
MLS# 951247

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.

This frame duplex, built in 1913, contains two residential units with a practical layout. The first-floor apartment offers 2 bedrooms and 2 full bathrooms, while the upper unit includes 2 bedrooms and 1 bathroom. A fully finished basement with its own entrance adds usable interior space. The property also includes a detached 2-car garage and a large driveway.

The home sits on 0.1842 acres and is served by public water and public sewer. Heating is provided by oil, with window and wall/window unit cooling. The property is being offered with long-term paying tenants in place, providing an existing residential occupancy profile for the next owner.

Key Highlights

  • Two‑unit duplex with 2 bedrooms and 2 full bathrooms on the first floor
  • Second‑floor apartment includes 2 bedrooms and 1 bathroom
  • Finished basement with separate entrance

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Grocery & Convenience Store Daycare Center Cosmetic Store Bakery Food Market Florist

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

1,644
Businesses Nearby

Demographics for 11570, NY

29,023
Population
11,368
Households
2.6
Avg Household Size
42
Median Age
62%
College-Educated
95%
High-School Grad
3.6 sq mi
ZIP Area
8,062
Density / Sq Mi
$147,784
Median Household Income
$91,332
Median Earnings
$1,804
Median Rent
$786,600
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

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

What type of property is this?
Duplex - Two-unit residence with a finished basement, separate entry, driveway parking, and established tenants.
Where is this duplex located?
The property is located at 15 Water Street Rockville Centre, NY.
What is the asking price?
The asking price for this property is $849,000.
What are key features of this property?
This property features: Two‑unit duplex with 2 bedrooms and 2 full bathrooms on the first floor; Second‑floor apartment includes 2 bedrooms and 1 bathroom; Finished basement with separate entrance
More about this property
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