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.
For sale
$570,000
421 Union Avenue, Mount Vernon, NY 10550
3beds
5,227sqft
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
- 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#: 1054921
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
Video & virtual tour
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
| Date | Event | Price |
|---|---|---|
| 9/24/2026 | Listed for sale | $570,000-0.9%$109/sqft |
Source: | ||
| 7/21/2026 | Listing removed | $575,000$110/sqft |
Source: | ||
| 6/16/2026 | Price change | $575,000-10.9%$110/sqft |
Source: | ||
| 5/15/2026 | Listed for sale | $645,000$123/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax 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
Climate risks
Neighborhood: 10550
Nearby schools
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.






