Efstathios Valiotis

Efstathios Valiotis is a modestly rated but responsible shareholder. Across their buildings, tenants rate them 2.9/5 across 89 reviews, with 56% recommending their buildings and 43% approving of them as an owner or associate. Their portfolio records 242 evictions, 1065 open violations, and 543 litigation cases. Data last updated October 22, 2026. Associated with 67 buildings and 4,059 units across Manhattan, Brooklyn, the Bronx, and Queens, Efstathios Valiotis is a shareholder responsible for a portfolio that spans construction eras from the 1890s to the 2010s, reflecting multiple generations of development. The portfolio spans multiple neighborhoods across these boroughs, including Hamilton Heights, Clinton Hill, Central Harlem, Fort George, East Tremont, Astoria, Long Island City, and Bedford-Stuyvesant. The buildings are primarily mid-rise. A majority of the associated buildings have rent-stabilized apartments. Individual building ratings, tenant reviews, and public records are on the associated building pages.