Washington
Department of Licensing
RIDDLE, DAVID LARSON
On-Site Wastewater - On-site Designer License
License number
5100390
Date granted
05/22/2012
Date expires
07/15/2015
Class
On-Site Wastewater - On-site Designer License
Status
Active
Address
Bothell WA 98021
walicensing.org
ID 2666574
LAST UPDATED 2026-05-09 20:55:47 UTC
LAST UPDATED 2026-05-09 20:55:47 UTC
This website is unaffiliated with the Department of Licensing. Please verify all information directly with the relevant official government authority.