Upper County · Northern Westchester

Armonk, NY

Part of the Town of North Castle, Armonk is known for IBM, exceptional schools, open land, and large estates. Quiet, private, and consistently in demand among executives and families. Everything you need to explore Armonk — community info, current listings, local coverage, and selling guidance — is right here.

Armonk Market Snapshot

Redfin’s April 2026 data put Armonk’s median sale price at $1,133,414, up 7.9% year-over-year, with price per square foot at $474, up 4.6% since last year. The market is described as somewhat competitive, with homes typically selling in about 37 days. Armonk is a small submarket within North Castle — Redfin counted just 8 homes sold that month — so figures can swing significantly from one transaction to the next.