This charming, fully renovated Colonial duplex is just one block from convenient transportation. The first unit features two bedrooms with hardwood floors, a modern kitchen, and a cozy enclosed sunroom. The second unit boasts three bedrooms plus three additional bonus rooms in the finished attic. Both units have separate entrances for added privacy. The property also includes a finished basement with a private entrance leading to the driveway, a generously sized flat yard, and ample parking with a long driveway and two garages. Taxes do not reflect any exemptions. Additional Information: ParkingFeatures:2 Car Attached,
Sold for $950,000 on 07/07/25
$950,000
423 Union Avenue, Mamaroneck, NY 10543
5beds
2,168sqft
Duplex, Multi Family
Built in 1910
-- sqft lot
$934,700 Zestimate®
$438/sqft
$4,360 Estimated rent
What's special
Zillow last checked: 7 hours ago
Listing updated: July 07, 2025 at 02:56pm
Listed by:
Emma Pasqualini 914-450-5779,
Houlihan Lawrence Inc. 914-328-8400,
Carmen J. Wilantowicz 914-356-7232,
Houlihan Lawrence Inc.
Bought with:
Sokol Biberaj, 40BI1107263
Century 21 Dawns Gold Realty
Source: OneKey® MLS,MLS#: H6327321

Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Hot Water
Cooling
- Wall/Window Unit(s)
Features
- Master Downstairs, First Floor Bedroom, Pantry
- Basement: Walk-Out Access
- Attic: Finished
Interior area
- Total structure area: 2,168
- Total interior livable area: 2,168 sqft
Property
Parking
- Total spaces: 2
- Parking features: Attached
Features
- Patio & porch: Patio, Porch
Lot
- Size: 8,699 sqft
- Features: Near Public Transit, Near School, Near Shops, Cul-De-Sac, Views, Level
Details
- Parcel number: 48031540000004200100410000000
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Colonial
- Property subtype: Duplex, Multi Family
Materials
- Aluminum Siding
Condition
- Year built: 1910
Utilities & green energy
- Gas: Separate Gas Meters: 3
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Trash Collection Public
Community & neighborhood
Location
- Region: Mamaroneck
Other
Other facts
- Listing agreement: Exclusive Right To Sell