Education Department
Office of the Professions
DIEFFENBACHER MARK K
Architect
License number
022151
Date granted
10/16/1991
Class
Architect
Status
Inactive
Address
NEW YORK NY
architectureny.org
ID 12071425
LAST UPDATED 2026-05-21 05:21:45 UTC
LAST UPDATED 2026-05-21 05:21:45 UTC
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