Rye Brook board adopts amended SEQRA finding for 900 King Street senior housing; traffic and sewer concerns remain

The Rye Brook Board of Trustees on June 10 adopted an amended finding under New York State’s SEQRA process that determined proposed amendments to the planned unit development at 900 King Street do not create new significant adverse environmental impacts and therefore do not require a supplemental environmental impact statement.

The decision affects a long-running senior-living proposal by Sunrise Development Inc. that was originally approved in 2021 as a PUD for an age-restricted community with 231 residential units (126 independent-living, 85 assisted-living and 20 townhomes), a roughly 215,000-square-foot office building previously occupying the site, and surface parking. The board’s resolution affirms that, for the limited set of changes now proposed, the environmental review already completed remains adequate.

Board members and village staff said the resolution before trustees was strictly the SEQRA (environmental review) finding, not the amended site plan itself, which remains under the Planning Board’s jurisdiction, nor architecture matters subject to the Architectural Review Board. The amended application includes reductions to building footprints, updated porte-cochere entries, revised courtyards, added balconies and walkout terraces, a…