License holder summary

Koster, William J is a Real Estate Salesperson licensed to practice in Wisconsin. This real estate broker license is not current. The license was granted 05/24/1972 and expired on 12/31/1982.

Department of Safety and Professional Services

Koster, William J
Real Estate Salesperson
License number
7671-94
Date granted
05/24/1972
Date expires
12/31/1982
Class
Real Estate Salesperson
Status
Expired
brokerswisconsin.org
ID 13418083
LAST UPDATED 2026-03-27 08:43:04 UTC

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