421 Union Avenue Mount Vernon, NY $ 570,000
421 Union Avenue
$ 570,000
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421 Union Avenue

Mount Vernon, NY, 10550
$ 570,000
Bedrooms3 Baths1.1 Sq 5,227

Monthly Estimate*

$ 3,937

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Single Family Home for sale in Mount Vernon, NY

for $570,000 with 3 bedrooms and 1 full bath, 1 half bath. This 5,227 square foot home was built in 1921 on a lot size of 0.12.

Charming and full of character, this inviting home offers a wonderful blend of classic details, comfortable living spaces, and a beautifully open outdoor setting. The front exterior creates an appealing first impression with its gabled roofline, welcoming entry, mature landscaping, and a broad front window that brings natural light into the home. A large tree and neatly maintained lawn add to the established feel, while the front walkway leads to a covered entry that feels warm and approachable. One of the standout features is the enclosed front porch or sunroom, a bright transitional space with abundant windows, rich wood flooring, a wood ceiling, and a hanging light fixture that enhances the home's timeless personality. This area provides a pleasant spot to enjoy morning light, set up a reading nook, or create an additional sitting space. From there, French doors open into the main living area, where natural light, tall ceilings, and dark wood floors create a comfortable atmosphere with a classic look. The living room offers a spacious central gathering area with multiple windows, ceiling fan lighting, and an easy flow into adjacent rooms. French doors add visual interest and separation while still keeping the layout open and connected. Just beyond, the dining room is generous in length and well suited for everyday meals, larger gatherings, or a flexible combination of dining and workspace needs. Large windows brighten the room, and the continued wood flooring helps tie the main level together. The kitchen presents a stylish contrast of dark cabinetry, light countertops, and a mosaic tile backsplash. Recessed lighting and a window above the sink add brightness, while the layout provides good cabinet storage and practical work areas. An adjoining breakfast nook or casual dining corner is surrounded by windows, creating a cheerful place for coffee, meals, or extra prep space. The bedroom shown is filled with natural light and features wood flooring, multiple windows, and a simple, comfortable layout that feels airy and efficient. The bathroom has been updated with clean finishes, including a modern vanity, bright wall tile detail, and a window that adds natural light and ventilation. Outside, the backyard is a major highlight. The lot opens to a large lawn framed by mature trees and established hedges, offering a peaceful backdrop and a sense of openness. A substantial paved area provides room for outdoor seating, entertaining, or other uses, while the expansive green space offers flexibility for recreation, gardening, or simply enjoying the setting. The deep yard and surrounding greenery make this outdoor area especially memorable. Throughout the home, the combination of classic architectural touches, bright windows, wood flooring, and updated kitchen and bath spaces creates an appealing opportunity for someone looking for character and functionality in one property. This home offers inviting indoor spaces, a welcoming front presence, and an exceptional backyard that adds meaningful room to spread out and enjoy the outdoors.

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Single Family Active

Price

$ 570,000

Bedrooms

3

Full Bath

1

Half Bath

1

Property Type

Single Family

Taxes

$ 10,312

Style

A-Frame

Lot Size

0.12

Year Built

1921

Town/City

Mount Vernon

County/Region

Westchester

MLS | Web ID

1054921

Features
Interior
Interior Amenities First Floor Bedroom
Basement Full
Basement Features Full
Basement (Y/N) Y
Half Baths 1
Total Bedrooms 3
Total Baths 2
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General
Sewer Public Sewer
Heating Other
Cooling Ductless
Utilities Electricity Available
Appliances Refrigerator Oven Range
Architectural Style A-Frame
Construction Materials Stucco
Year Built 1921
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 550800 169.31-3144-25
County Westchester County
Property Type Residential
HOA N
Garage Y/N N
Total Rooms 7
Full Baths 1
Directions Use GPS or between 9th and E Sanford
High School Mt Vernon High School
City Mount Vernon
Senior Community Y/N N
High School District Mount Vernon
Carport Y/N N
Elementary School Edward Williams
Property Attached Y/N N
Tax Annual Amount 10312
Middle/Junior High School Benjamin Turner Middle School
Virtual Tour https://youtu.be/4Ck-0tR9C2o https://youtu.be/4Ck-0tR9C2o
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Mount Vernon
Elementary School District Mount Vernon
Tax Assessed Value 6000
Tax Lot 25.000
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Exterior
Parking Features On Street On Street
Water Source Public
Waterfront Y/N N
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Internal Only
Street Number 1 421
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* Excluded Features
List By
Dominique Freeman

Listing Agent

Prominent Properties Sotheby's

Broker

201-768-9300

Contact

Affordability Calculator

$4,796
Per Month
82%
18%
0%
Monthly Principal & Interest
$3,937
Monthly Property Taxes
$859
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4892114 Elementary School
4101064 Middle School
Mt Vernon High School High School
Pricing History
DatePricePrice ChangeDescription
9/24/2026$570,000 Listed Price

Map


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421 Union Avenue, Mount Vernon, NY, 10550 is a Single Family Home for sale at $570,000 with 5,227 sqft and a lot size of 0.12. 421 Union Avenue has 3 bedrooms, 1.1 baths, and was built in 1921. The property's zip code is 10550 which is in Mount Vernon, NY