Search
Duplex with Separate-Entrance Finished Basement
For Sale
$849,000
Pending

15 Water Street, Rockville Centre, NY 11570

MULTI_FAMILY - Rockville Centre, NY

Property SizeContact for details
Lot Size0.18 Acres
Days on Market215

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 4, Basement, Bedroom 2, Bathroom 1, Bathroom 2, Bedroom 1, Bathroom 3, Bedroom 3
Parking features Driveway, Garage
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 Wall/Window Unit(s), 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 1 Last Checked: Aug 16 at 7:06PM
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 two-family duplex offers two levels of living space plus a full, finished basement with a separate entrance. The first unit includes two bedrooms and two full bathrooms, and the second floor includes two bedrooms and one bathroom. Interior features include a first-floor bedroom and a first-floor full bath.

Built in 1913, the home is frame construction and is served by public water and public sewer. Heating is oil, with wall/window and window air conditioning units. Parking is provided by a large driveway and a detached two-car garage.

The property is set on an 0.1842-acre lot. It is being sold with long-term paying tenants.

Key Highlights

  • Two‑family duplex with two bedrooms on first floor and two bedrooms on second floor
  • Finished basement with separate entrance plus first‑floor bedroom and full bath
  • First unit: 2 bedrooms and 2 full bathrooms; second floor: 2 bedrooms and 1 bathroom

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

Multi-tenant
Tenancy

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
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Duplex - Two-family duplex built in 1913 with two bedrooms on each floor and a finished basement with separate entrance.
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‑family duplex with two bedrooms on first floor and two bedrooms on second floor; Finished basement with separate entrance plus first‑floor bedroom and full bath; First unit: 2 bedrooms and 2 full bathrooms; second floor: 2 bedrooms and 1 bathroom
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message