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For sale
  • $570,000

    421 Union Avenue, Mount Vernon, NY 10550

    3beds
    5,227sqft
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    Single Family Residence, Residential
    Built in 1921
    5,227 Square Feet Lot
    $-- Zestimate®
    $109/sqft
    $-- HOA

    What's special

    Natural lightWelcoming front presenceNeatly maintained lawnTall ceilingsWelcoming entryClassic architectural touchesRich wood flooring
    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.
    44 days
    1,467
    160

    Zillow last checked:

    Listing updated:

    Listed by:

    Prominent Properties Sotheby's 201-768-9300,

    Dominique Freeman 201-768-9300

    Source: OneKey® MLS as distributed by MLS GRID,MLS#: 1054921MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 2
      • Full bathrooms: 1
      • 1/2 bathrooms: 1
      Heating
      • Other
      Cooling
      • Ductless
      Appliances
      • Included: Refrigerator, Oven, Range
      Features
      • First Floor Bedroom
      • Basement: Full
      • Attic: See Remarks
      Interior area
      • Total structure area: 5,227
      • Total interior livable area: 5,227 sqft

      Property

      Parking
      • Parking features: On Street
      • Has uncovered spaces: Yes
      Lot
      • Size: 5,227 Square Feet
      Details
      • Parcel number: 550800 169.31314425
      • Special conditions: None

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: A-Frame
      • Property subtype: Single Family Residence, Residential
      Materials
      • Stucco
      Condition
      • Year built: 1921

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Electricity Available

      Community & HOA

      HOA
      • Has HOA: No
      Location
      • Region: Mount Vernon

      Financial & listing details

      • Price per square foot: $109/sqft
      • Tax assessed value: $6,000
      • Annual tax amount: $10,312
      • Date on market: 9/24/2026
      • Cumulative days on market: 43 days
      • Listing agreement: Exclusive Right To Sell
      • Electric utility on property: Yes

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        9/24/2026Listed for sale$570,000-0.9%$109/sqft
        Source: OneKey® MLS as distributed by MLS GRID #1054921 Report a problem
        7/21/2026Listing removed$575,000$110/sqft
        Source: OneKey® MLS as distributed by MLS GRID #998865 Report a problem
        6/16/2026Price change$575,000-10.9%$110/sqft
        Source: OneKey® MLS as distributed by MLS GRID #998865 Report a problem
        5/15/2026Listed for sale$645,000$123/sqft
        Source: OneKey® MLS as distributed by MLS GRID #998865 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025-- $6,000
        2024-- $6,000
        2023-- $6,000
        2022-- $6,000
        2021-- $6,000
        2020-- $6,000
        2019-- $6,000
        2018-- $6,000
        2017-- $6,000
        2016-- $6,000
        2015-- $6,000
        2014-- $6,000
        2013-- $6,000
        2012-- $6,000
        2011-- $6,000
        2010-- $6,000
        2009-- $6,000
        2008-- $6,000
        2007-- $6,000
        Find assessor info on the county website

        Monthly payment

        Estimated monthly payment$1,822
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 10550

        Getting around

        76 / 100
        Very Walkable
        53 / 100
        Good Transit
        40 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Edward Williams
        • Middle: Benjamin Turner Middle School
        • High: Mt Vernon 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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