License holder summary

WALLER, DOUGLAS L is a Plumbing - Backflow Prevention Rebuilder licensed to practice in Minnesota. The address on file for WALLER, DOUGLAS L is 7236 OAK GROVE BLVD, RICHFIELD , MN 55423. This licensed professional license is current. The license was granted 07/13/1988 and expired on 12/31/2016.

Minnesota

Department of Labor and Industry

WALLER, DOUGLAS L
Plumbing - Backflow Prevention Rebuilder
License number
BF058432
Date granted
07/13/1988
Date expires
12/31/2016
Class
Plumbing - Backflow Prevention Rebuilder
Status
Issued
Address
7236 OAK GROVE BLVD, RICHFIELD , MN 55423
mnlicensing.org
ID 22414088
LAST UPDATED 2026-03-16 20:01:03 UTC

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