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MLS ID KEY989794Last updated Sep 22, 2026

Office

3 Macdonald Avenue

Active · North Castle · Westchester County, NY 10504

Asking price$1,250,000Request a Showing
Est. monthly taxes
$1,554.86
Property gallery0 / 14
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About this home

Houlihan Lawrence Commercial presents this rare standalone flex building conveniently located in the heart of Armonk. 2,790 sq feet on .47 acres of flat land with a huge private parking area for up to 15 cars. The existing layout is ideal for medical, wellness, therapy, legal, office, accounting or other professional service users looking for a convenient private place of business. The property features 2 driveways, parking lot, garage parking. The property is near the center of Armonk with easy access to Route 22, and 684. It is surrounded by a mix of affluent retail shops, restaurants, boutique services and high end luxury residential. Premier location in a luxury market with strong household incomes and limited commercial supply. 3 Macdonald Ave Armonk also presents potential upside though adaptive reuse, including the possibility of converting back to residential or mixed/use home/office configuration subject to approvals. Creates a compelling value add angle for owner-users, investors or specialty medical professional buyers.

Listing snapshot

Days on site
59 days
Listed on MLS
Apr 23, 2026
Annual property tax (MLS)
$18,658.34
Tax year
2025
Listing brokerage
Houlihan Lawrence Commercial
MLS ID
KEY989794
Last updated
Sep 22, 2026

General features

Property type
Office
Total parking
16
Water source
Public
Sewer
Public Sewer
Utilities
Natural Gas Connected

Interior features

Basement
Finished
Heating
Baseboard
Cooling
Central Air, Zoned
Flooring
Hardwood, Tile

Exterior features

Construction materials
Frame, Vinyl Siding

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

North Castle · Westchester County, NY 10504Show interactive map
3 Macdonald Avenue

North Castle · Westchester County, NY 10504

Google Maps directions

Listing data is supplied by the MLS and may change without notice.