Two-Unit Cottage with
For Sale
$850,000
Pending
40 Rockville Avenue, Rockville Centre, NY 11570
Residential Income, Rockville Centre, NY
Property SizeContact for details
Lot Size0.09 Acres
Days on Market129
Property Features for 40 Rockville Avenue
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Bedrooms
4
Bathrooms
2
Full bathrooms
2
Rooms
Bedroom 3, Bedroom 4, Bathroom 1, Basement, Bathroom 2, Bedroom 1, Bedroom 2
Parking
4
Parking features
On Street, Driveway
Interior features
Open Floorplan
Basement
Partially Finished, Full
Elementary school
School 5
Middle school
School 9M-Oceanside Middle School
High school
School 7-Oceanside Senior Hs
Elementary school district
Oceanside
Middle school district
Oceanside
High school district
Oceanside
Standard status
Pending
APN
2029-38-348-00-0439-0
Lot size
0.09 Acres
Taxes and HOA fees
Tax Year
2026
Tax Annual Amount
14393
Utilities
Sewer type
Public Sewer
Heating system
Natural Gas
Cooling system
Window Unit(s), Wall/Window Unit(s)
Water source
Public
Amenities
mudroom
custom molding
hardwood floors
landscaped backyard
full basement with utilities
washer and dryer area
separate gas and electric meters
large driveway
garage
finished backyard
walk-up attic
Building Details
Year built
1922
Number of units
2
Building materials
Shingle Siding
Architectural style
Cottage
Listing Agency:
Douglas Elliman Real Estate
(516) 432-3400
Listed By:
Glen Fox · License #10401340274
(516) 850-6437
Added: Apr 17
Changed: Aug 20
Last Checked: Aug 23 at 1:06AM
MLS# 990384
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 1922 cottage-style duplex includes two residential units, each arranged with two bedrooms and one full bathroom. The main-level unit features a mudroom, 9-foot ceilings, hardwood floors, custom molding, storage, and access to the landscaped backyard. The upper unit includes its own two-bedroom, one-bath layout plus a walk-up attic that adds storage and adaptable bonus space. A full basement provides utility space, laundry hookups, and additional storage.
Separate gas and electric meters serve the units. Exterior features include a driveway accommodating up to four cars, a garage with additional storage, and a finished backyard. The property has shingle siding, natural-gas heat, window or wall-mounted cooling, public water, and public sewer. The 0.0918-acre parcel is located at 40 Rockville Avenue in Rockville Centre, NY 11570.
Separate gas and electric meters serve the units. Exterior features include a driveway accommodating up to four cars, a garage with additional storage, and a finished backyard. The property has shingle siding, natural-gas heat, window or wall-mounted cooling, public water, and public sewer. The 0.0918-acre parcel is located at 40 Rockville Avenue in Rockville Centre, NY 11570.
Key Highlights
- Two units, each with 2 bedrooms and 1 full bathroom
- Separate gas and electric meters for the two‑family layout
- Walk‑up attic and full basement provide substantial additional storage
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Yes
Utilities to site
Location Intelligence
Trade Area within ½ mile
3,104
Businesses Nearby
Explore this area
Business Placement
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
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Well-maintained duplex with separate utilities, flexible attic space, basement storage, and a landscaped rear yard.
Where is this duplex located?
The property is located at 40 Rockville Avenue Rockville Centre, NY.
What is the asking price?
The asking price for this property is $850,000.
What are key features of this property?
This property features: Two units, each with 2 bedrooms and 1 full bathroom; Separate gas and electric meters for the two‑family layout; Walk‑up attic and full basement provide substantial additional storage
