Date
Details
Price
Change
Source
8/27/2026
Listed
$999,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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Property Description
Welcome to 18 Bonaventure Avenue, a rare opportunity in the heart of the Village of Ardsley with Ardsley Schools. Built in 1970 and offered for the first time since its original ownership, this solidly built home is ready for its next chapter. Offering four full levels of space, the home features a bright and spacious 3 bedroom, 3 full bathroom duplex highlighted by dramatic cathedral ceilings, skylights and an abundance of natural light. Generously sized living and dining areas provide plenty of room for everyday living and entertaining, while multiple balconies extend the living space outdoors. The finished lower level offers exceptional flexibility with 2 additional bedrooms and an in law style setup, ideal for extended family, guests, a home office or additional living space. Adding even more potential is a full unfinished sub basement with walkout access, which is not included in the stated square footage and provides tremendous possibilities for storage, recreation or future use. An attached garage, multiple outdoor spaces and a versatile layout further enhance this unique property. Conveniently located near Ardsley Village shops, restaurants, parks, schools and major roadways, with easy access to nearby Metro North stations. A tremendous opportunity to customize a substantial home in one of Westchester's most desirable communities and make it your own.
Full Property Details
Full Property Details for 18 Bonaventure Ave
General
- Price: $999,000
- Taxes: $33,807
- Status: Active
- Type: Single Family
- Source: Long_Island
- MLS ID: 1043723
- Updated: 8/27/2026
- Added to Site: 1 day(s) ago
Interior
- Number of Rooms: 9
- Interior Features: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Ceiling Fan(s), Chandelier, Double Vanity, Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, His and Hers Closets, In-Law Floorplan, Natural Woodwork, Open Floorplan, Open Kitchen, Original Details, Primary Bathroom, Soaking Tub, Storage, Walk-In Closet(s)
- Appliances: Range, Refrigerator
- Laundry Facilities: Yes
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 4
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 5
Other Rooms
- Laundry: In Basement, Laundry Room
Exterior
- Porch/Patio/Deck: Deck, Terrace
Parking
- Garage: Yes
- Garage Spaces: 1
- Total Spaces: 3
- Parking Features: Attached, Driveway, Garage
Location
- County: Westchester County
- Subdivision: Ashford Park
School Information
- High School District: Ardsley
- Elementary School: Concord Road Elementary School
- Middle School: Ardsley Middle School
- High School: Ardsley High School
Heating & Cooling
- Cooling Type: None
- Heating Type: Forced Air, Natural Gas
- Heating Zones: 1
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected
Structural Information
- Architectural Style: Colonial
- Detached/Attached: Detached
- Construction: Brick, Frame
- Basement: Yes
- Basement Desc.: Full Basement, Unfinished, Walk-Out Access
- Building Size: 5039
- Square Feet: 5,039
- Sq. Ft. Source: Measured
- Year Built: 1970
Lot Features
- Lot Size (Acres): 0.1851
- Lot Size (Sq. Ft.): 8,063
Financial Considerations
- Tax Amount: $33,807
Disclosures and Reports
- Special Conditions: None
- Property ID: 2601-006-070-00046-000-0012
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Schools
Schools serving 18 Bonaventure Ave
School District:Ardsley Union Free School District
| Name | Grades | Distance |
|---|---|---|
Ardsley Middle School 700 Ashford Avenue, Ardsley, NY 10502 | 5-8 | 0.6 mi |
Concord Road Elementary School Concord Road, Ardsley, NY 10502 | K-4 | 0.9 mi |
Ardsley High School 300 Farm Road, Ardsley, NY 10502 | 9-12 | 1.2 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 18 Bonaventure Ave
Tax History
Tax History for 18 Bonaventure Ave
Year
Property Taxes
Change
Tax Assessment
Change
2025
$10,657
100%
$1,030,200
9%
2024
100%
$945,200
8%
2020
100%
$875,100
4%
2020
100%
$844,100
9%
2020
100%
$774,400
8%
2020
-100%
$715,000
—
2020
$9,176
-44%
$715,000
-13%
2018
$16,515
68%
$821,000
4%
2017
$9,824
-41%
$790,300
3%
2017
$16,580
-31%
$767,300
3835%
2016
$23,906
21%
$19,500
—
2015
$19,777
-10%
$19,500
—
2013
$21,882
—
$19,500
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 18 Bonaventure Ave
18 Bonaventure Avenue, Ardsley, NY 10502 (MLS# 1043723) is a Single Family property with 5 bedrooms, 4 full bathrooms and 1 partial bathroom. 18 Bonaventure Avenue is currently listed for $999,000 and was received on August 27, 2026. Want to learn more about 18 Bonaventure Avenue? Do you have questions about finding other Single Family real estate for sale in Ardsley? You can browse all Ardsley real estate or contact a Coldwell Banker agent to request more information.