CompanyReal estate & property managementUnited States
Quadrangle Development Corporation is a company in real estate & property management founded in 1971[1] and based in Washington, D.C.[1].
Every public fact with how sure it is, where it comes from and when it was stated.
“Founded in 1971 (Wikidata P571).”
“Headquarters: Washington, D.C. (Wikidata Q61).”
Dated events from the sources, newest first. Funding and ownership carry the date the source stated them.
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