Keystone Realty started construction and real estate development activities in Mumbai in 1996 and rapidly rose to be a premier construction company due to its uncompromising commitment to the highest level of quality construction as well as its consistency in delivery schedules. Since then customers have trusted us to deliver quality residential & commercial properties at affordable rates.

Keystone Group has till date launched, completed and delivered several Residential complexes, Premium commercial properties and shopping malls in Mumbai and its suburbs.

Keystone Realtors, Mumbai - better famous as Rustomjee Builders have been fulfilling the dreams of many home seekers for more than twenty years. Our commitment to quality workmanship and timely delivery of projects has created a vast base of customers. The good will earned from the customers has become the most valuable assets for the company to grow rapidly and consistently.