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
$950,000
423 Union Avenue, Mamaroneck, NY 10543
5beds
2,168sqft
Duplex, Multi Family
Built in 1910
-- sqft lot
$1,190,300 Zestimate®
$438/sqft
$3,743 Estimated rent
Home value
$1,190,300
$1.10M - $1.30M
$3,743/mo
Zestimate® history
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List your homeWhat's special
Generously sized flat yardFinished basementTwo garagesHardwood floorsLong drivewayModern kitchenCozy enclosed sunroom
Zillow last checked:
Listing updated:
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 as distributed by MLS GRID,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 Square Feet
- 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 & HOA
HOA
- Has HOA: No
- Amenities included: Park
Location
- Region: Mamaroneck
Financial & listing details
- Price per square foot: $438/sqft
- Tax assessed value: $1,024,700
- Annual tax amount: $21,512
- Date on market: 9/11/2024
- Cumulative days on market: 162 days
- Listing agreement: Exclusive Right To Sell
- Tenant pays: Electricity, Gas
Price history
| Date | Event | Price |
|---|---|---|
| 7/7/2025 | Sold | $950,000-2.6%$438/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #H6327321 Report a problem | ||
| 2/20/2025 | Pending sale | $975,000$450/sqft |
Source: OneKey® MLS as distributed by MLS GRID #H6327321 Report a problem | ||
| 12/2/2024 | Price change | $975,000-2%$450/sqft |
Source: OneKey® MLS as distributed by MLS GRID #H6327321 Report a problem | ||
| 9/11/2024 | Listed for sale | $995,000+121.1%$459/sqft |
Source: OneKey® MLS as distributed by MLS GRID #H6327321 Report a problem | ||
| 8/1/2017 | Sold | $450,000-18.9%$208/sqft |
Source: Public Record Report a problem | ||
| 8/18/2016 | Listing removed | $555,000$256/sqft |
Source: Voro LLC #2868841 Report a problem | ||
| 7/14/2016 | Listed for sale | $555,000+98.2%$256/sqft |
Source: Voro LLC #2868841 Report a problem | ||
| 9/12/1997 | Sold | $280,000$129/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $1,024,700 +24% |
| 2024 | -- | $826,300 +4% |
| 2023 | -- | $794,500 +5% |
| 2022 | -- | $756,700 +9% |
| 2021 | -- | $694,200 |
| 2020 | -- | $694,200 +15.4% |
| 2019 | -- | $601,500 +6.3% |
| 2018 | -- | $565,900 -3.3% |
| 2017 | -- | $585,300 +5% |
| 2016 | -- | $557,200 -5.5% |
| 2015 | -- | $589,600 +25.2% |
| 2014 | -- | $470,800 +1.9% |
| 2013 | -- | $462,000 +0.6% |
| 2012 | -- | $459,200 -12.1% |
| 2011 | -- | $522,700 -15% |
| 2010 | -- | $614,900 -14% |
| 2009 | -- | $715,000 |
| 2008 | -- | $715,000 -5% |
| 2007 | -- | $752,600 +6% |
| 2006 | -- | $710,000 +11.3% |
| 2005 | -- | $638,200 +9% |
| 2004 | -- | $585,500 +6629.9% |
| 2003 | -- | $8,700 |
| 2002 | -- | $8,700 |
| 2001 | -- | $8,700 |
| 2000 | -- | $8,700 |
| 1999 | -- | $8,700 |
Find assessor info on the county website
Neighborhood: Rye Neck
Nearby homes
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Nearby schools
GreatSchools rating
- 9/10F E Bellows Elementary SchoolGrades: 3-5Distance: 0.4 mi
- 7/10Rye Neck Middle SchoolGrades: 6-8Distance: 1 mi
- 8/10Rye Neck Senior High SchoolGrades: 9-12Distance: 1 mi
Schools provided by the listing agent
- Elementary: F E Bellows Elementary School
- Middle: Rye Neck Middle School
- High: Rye Neck Senior High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$1,190,300
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$1,190,300
- New York
- Westchester County
- Mamaroneck
- 10543
- Rye Neck
- 423 Union Avenue
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