Keystone Realtors better known as Rustomjee Builders has become a name synonymous with quality,reliability and customer satisfaction.We are a Mumbai based professionally managed real estate company who are creating vibrant living spaces since 1996.Today we are considered among the foremost real estate developers, given our unflinching commitment in adhering to the highest quality standards and consistency in delivery schedules.

Apart from being an established company, Rustomjee has an efficient organisation structure. Incorporation of latest technologies, an attractive pricing policy, adherence to schedule and high quality are hallmarks of our company. All our projects have a futuristic design, with a fine blend of aesthetics and functionality. Our projects are distinguished by the high quality of construction and attention to detail. Our obsession with quality has enabled us to become one of the first Indian Real Estate Development Companies to get an lSO 9001 - 2008 certification.

We are currently implementing prestigious projects across central and western suburbs of Mumbai - like Thane and Virar.