Cornerstone Management Systems Reviews

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Cornerstone Management Systems

Cornerstone Management Systems, 271 Madison Ave #1200, New York, NY 10016

4.2 1 verified review

Cornerstone Management Systems specializes in full-service management for small and mid-size residential properties in Manhattan, with over 45 years of experience and a 98% client retention rate.

Landlord vs. tenant ratings

Landlord Rating
Not yet rated
Tenant Rating
4.2 / 5
from 1 tenant
Not yet rated by landlords

Landlord Rating reflects how property owners rate this manager; Tenant Rating reflects how renters rate them. Both are 1–5 star ratings built from verified Google & Yelp reviews, weighted toward recent reviews.

Rating breakdown

5 star
4
4 star
1
3 star
0
2 star
0
1 star
0

Based on 5 rated reviews from the last 3 years.

Cornerstone Management Systems reviews

5.0★May 2026

Michelle was very helpful in addressing some concerns and questions as a new commercial tenant of their management group. Thanks for rekindling faith in good hospitality and empathetic customer service. I thought the positive reviews were outdated and irrelevant but boy was I wrong. Thanks again