What should buyers know about living in Armonk?

Armonk is a hamlet in the Town of North Castle. Home of IBM's world headquarters. Hamlet covers about 6 sq mi and borders Connecticut; seat of North Castle town government and main library. Wampus Brook Park hosts the Fol-De-Rol festival and the Frosty Day holiday lighting; the Frosty Day parade runs down Main Street.

  • Home prices: $1.67M (Redfin median sale price, all home types, 3 months ending August 2026). Medians across all home types move with the mix of sales, so treat this as a guide, not a quote.
  • Property taxes: about 1.96% of market value, or roughly $33,000 a year on the median price. This is an estimate that excludes special districts and STAR; actual bills depend on the assessment.
  • Schools: Byram Hills Central School District (4 schools). Niche grade: A+ (#38 of 597 Best School Districts in NY).
  • Commute: Metro-North Harlem Line: North White Plains, White Plains (no station in Armonk). Train time to Grand Central: about 40–55 min by train plus a short drive to the station, an approximate range from MTA weekday timetables covering express and local trains. Monthly ticket about $271.50.

Nearby towns to compare: Chappaqua, Harrison, White Plains. Tami Earnest is a Compass agent who works with buyers and sellers in Armonk and across Westchester.

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