Greg Cywinski

Greg Cywinski is a well-regarded and reliable site manager. Across their buildings, tenants rate them 4.5/5 across 1 review, with 100% recommending their buildings and 100% approving of them as an owner or associate. Their portfolio records 0 evictions, 0 open violations, and 0 litigation cases. Data last updated July 30, 2026. Greg Cywinski is a site manager associated with 1 building and 31 units across the All Upper West Side neighborhood in Manhattan. The portfolio is concentrated in the All Upper West Side in Manhattan. The building was constructed in 1916 and is classified as primarily mid-rise. All of the associated buildings have rent-stabilized apartments. Prospective renters can find building-level ratings, reviews, and open-data records on the associated building pages.