Welcome to 40 Rockville Avenue, a rare two-family opportunity filled with timeless charm and character on a beautiful tree-lined block. From the moment you arrive, this well-maintained home showcases classic architectural details, custom molding, and hardwood floors that reflect the rich history and warmth of the property.
A welcoming mudroom leads into the main level, which features two spacious bedrooms, one full bath, ample storage, abundant natural light, and impressive 9-foot ceilings. The layout flows seamlessly with direct access to the beautifully landscaped backyard, creating an ideal setting for everyday living and entertaining.
The upper unit also offers two bedrooms and one full bath, along with access to a walk-up attic providing exceptional additional storage and flexible space perfect for a home office, studio, or bonus area.
Additional highlights include a full basement with utilities, washer and dryer area, and extensive storage throughout and a 2 year old roof. The home is equipped with separate gas and electric meters, offering convenience and flexibility for both owners and tenants alike.
Outside, you’ll find a large driveway accommodating up to four cars, a garage with even more storage space, and a beautifully finished backyard designed for relaxing and entertaining.
This is a rare opportunity to own a true two-family home in a prime location, combining charm, functionality, and incredible potential all in one.
Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected
SEWER
Public Sewer
WATER SOURCE
Public
Year Built
1922
Basement
Full, Partially Finished
ARCHITECTURAL STYLE
Cottage
PARKING SPACES
4
Parking Features
Detached, Driveway, On Street
Garage spaces
1
View
Neighborhood
CITY
Rockville Centre
COUNTY
Nassau County
STATE
NY
SENIOR COMMUNITY
No
TAX AMOUNT
14393.0
LATEST UPDATE
2026-05-14T18:44:56.231Z
DAYS ON MARKET
6
PRICE CHANGE(S)
$850,000 May 14, 2026
CUMULATIVE DAYS ON MARKET
6
Property Details
Property TypeResidential Income
StatusActive
Bedrooms4
Bathrooms (Full)2
Property Sub TypeDuplex
MLS #990384
FlooringOther
HeatingNatural Gas
CoolingWall/Window Unit(s)
Utility FeaturesCable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected
SEWERPublic Sewer
WATER SOURCEPublic
Year Built1922
BasementFull, Partially Finished
ARCHITECTURAL STYLECottage
PARKING SPACES4
Parking FeaturesDetached, Driveway, On Street
Garage spaces1
ViewNeighborhood
CITYRockville Centre
COUNTYNassau County
STATENY
SENIOR COMMUNITYNo
TAX AMOUNT14393.0
LATEST UPDATE2026-05-14T18:44:56.231Z
DAYS ON MARKET6
PRICE CHANGE(S)
$850,000 May 14, 2026
CUMULATIVE DAYS ON MARKET6
Market Trends
New Properties On Market
34
240%
Increase In New Listings
Average Asking Price
$730,511
$319,089 Increase In Avg Asking Price
Average Asking Price / Sq. Ft.
$468
$170 Increase In List Price/Sq. Ft.
Average Days On Market
8
14 Day
Decrease In Days On Market
Data as of Jun 04, 2026.
Remaining statistics above are calculated on activity within the period from Apr 01, 2026 to May 31, 2026.
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