REBusiness OnlineArticle
Keystone Completes Office-to-Residential Conversion Project in Philadelphia
PHILADELPHIA — Local developer Keystone has completed an office-to-residential conversion project in Philadelphia’s Independence Mall district. Designed by Tantillo Architecture and built by Fasttrack Construction, the project transformed the historic, 12-story building at 400 Market St. into a 176-unit apartment…
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Provenance
- Publisher
- REBusiness Online
- Obtained from
- REBusiness Online
- Published
- Aug 4, 2026
- Last updated
- Aug 4, 2026 (today)
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