Department of Safety and Professional Services
Trades Credentialing Unit
PO Box 78780
Milwaukee, WI 53293-0780
If you have questions regarding your renewal, please email DSPSCredTrades@wisconsin.gov. When mailing your renewal, please allow 21 calendar days (per Wis. Admin. Code SPS 305.04 (1)) from the date your payment is processed to receive an update regarding your renewal.