Southeast, New York is a town in Putnam County in the lower Hudson Valley region of New York State, just north of Westchester County and right next to the Connecticut state line. It lies at the junction of Interstates 84 and 684, with the Village of Brewster inside its borders, and many people casually refer to the whole area as “Brewster, NY.”

Quick Scoop: Where is Southeast, NY?

  • It’s in Putnam County, New York.
  • Located in the southeastern corner of the county (that’s how it got its name).
  • Borders:
    • Fairfield County, Connecticut to the east.
* Northern Westchester County to the south.
  • Major highways: I‑84, I‑684, U.S. 6, U.S. 202, and NY 22 all run through or near it.
  • It has two Metro‑North Harlem Line stations: Brewster and Southeast, with express trains to Grand Central taking about 80 minutes.

Basic facts in one glance

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Item Details
State New York (lower Hudson Valley region)
County Putnam County
Nearby areas Near Brewster, north of Westchester County, along the Connecticut border
Highways I‑84, I‑684, NY 22, U.S. 6, U.S. 202
Rail access Metro‑North Harlem Line (Brewster & Southeast stations)
Informal name Often called “Brewster, NY” because that’s the main village and mailing address

If you’re picturing a map: find New York City, go about 50–60 miles north into the Hudson Valley, just before Connecticut — that’s roughly where Southeast, NY sits as a commuter‑friendly suburb.

TL;DR: Southeast, NY is a town in Putnam County, in the lower Hudson Valley, right at the crossroads of I‑84 and I‑684 near Brewster and the Connecticut border.

Information gathered from public forums or data available on the internet and portrayed here.