Keystone Development Corporation is a full service real estate development, custom home builder, and construction company specializing in multi-family development, high-end single family homes, and active adult communities. Our Central Massachusetts based company and its affiliates have been developing real estate since 1975.

Keystone's principals and employees have strong business and personal ties to the region and are personally invested in each and every project Keystone undertakes. Keystone's hands on approach and attention to detail has led to a strong record of successful commercial and residential construction projects and ensures Keystone Development's success in the future.

The principals Michael Staiti and Richard Olstein have over 35 years of experience in residential development and have permitted, developed or constructed over 500 homes and building lots in the last 12 years. Michael and Richard are personally involved in every Keystone property to ensure that the highest standards of workmanship and customer satisfaction are maintained.