Missouri
Division of Professional Registration
Riffel, David E.
Architect
License number
2013009694
Date granted
04/01/2013
Date expires
12/31/2013
Class
Architect
Status
Clear
Address
Howard + Helmer Architecture
licensingmissouri.org
ID 1421238
LAST UPDATED 2026-06-05 03:48:32 UTC
LAST UPDATED 2026-06-05 03:48:32 UTC
This website is unaffiliated with the Division of Professional Registration. Please verify all information directly with the relevant official government authority.