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Established 1975
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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.


270 Baker Street
- Nov 15, 2019

NPC Approved for 270 Baker Street in West Roxbury The BPDA has approved the notice of project change for 270 Baker Street in West Roxbury. Original plans for the project had called for 60 homeownership units between two buildings however the updated project will now include 60 affordable rental units in just one building on the site. 

270 Baker Street
- Jun 11, 2019

NPC Filed for 270 Baker St. in West Roxbury The development team behind the 270 Baker Street project in West Roxbury has filed a notice of project change to convert the 60 residential units from ownership to rentals. The project was originally approved in September 2017 however the NPC sites financing and construction cost limitations for this requested update. There would be no changes to the size of the project.  

270 Baker Street
- Sep 15, 2017

BPDA approves 270 Baker Street, 60 new condominiums in West Roxbury The Boston Planning & Development Agency (BPDA) approved 270 Baker Street, a development featuring 60 condominium residences across three new multifamily and townhouse buildings, at last night's board meeting. Eight residences at 270 Baker Street will be designated affordable. An existing three-story, 30,000-square-foot commercial building will be retained on site. 270 Baker Street will require zoning relief from the Zoning Board of Appeals (ZBA) before moving forward with construction.

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