Armonk

Armonk at a Glance

Armonk is a hamlet and census-designated place within the Town of North Castle, in northern Westchester County, New York. It is not its own town: the hamlet is the walkable Main Street area and the surrounding neighborhoods, while zoning, permits, taxes, and recreation are administered by the Town of North Castle. Buyers comparing Armonk listings should confirm whether a given address sits inside the hamlet/CDP boundary or elsewhere in North Castle, because the two are often used interchangeably in listing data.

Getting Around

I-684 is the main highway reference for the area, with NY-22 and NY-128 (Main Street/Armonk) serving as local roads. Armonk itself does not have a Metro-North station; buyers typically use Harlem Line stations elsewhere in the county, such as North White Plains, White Plains, or Mount Kisco/Bedford Hills, depending on direction of travel. We do not publish commute times or train schedules here - check Metro-North directly for current service and plan a trial run at your own travel time.

Around the Hamlet

Main Street anchors the hamlet with shops, restaurants, and community events. IBM's Armonk headquarters campus is a documented corporate landmark in the hamlet. Wampus Pond and other Town of North Castle parkland are nearby; confirm current facilities, permits, and seasonal access with the Town rather than relying on third-party listings.

Housing Stock

Housing in and around the hamlet ranges from older homes near Main Street to mid-century and newer construction on the larger lots typical of North Castle zoning, plus condominium and townhouse options. Lot sizes vary by neighborhood and zoning district, so confirm minimum lot size, setbacks, accessory structures, and permitted use with the Town of North Castle before making plans. For current availability and pricing, look at live listings rather than any general description on this page.

Nearby Guides

Comparing northern Westchester options? See our guides to Bedford, Katonah, and Pound Ridge, or browse the wider Westchester County overview.

Working With Us

If Armonk is a weekend or seasonal search, start with our second homes page. If you already own here and are considering a move, our sell page walks through the process. We are licensed in New York and Connecticut only.

Verify Before You Rely On It

Confirm zoning, permitted use, recreation access, and taxes with the Town of North Castle and Westchester County. Hamlet and town boundaries and rules differ.

About the Data on This Page

Census, Walk Score, Yelp, and school widgets shown on this page come from third-party sources. They are estimates, have not been verified by our team, and their geography may mix hamlet/CDP and town boundaries. School ratings are one organization's opinion and are not a recommendation; Byram Hills is the commonly referenced local district, and you should contact the district directly to confirm district lines and programs for a specific address. We do not steer buyers toward or away from any area.