Contact Information
- Office Name:
- Milwaukee County Treasurer
- Phone:
- (414) 278-4033
- Official Website:
- Visit Website
- County FIPS:
- 55079
- Data Available Online:
- Yes
- Last verified:
- 2026-07-13
Searching Milwaukee County Treasurer Records
Data available
tax bills and payments dueproperty assessmentsland ownershipdelinquent taxes
Use Guest Sign In on the Milwaukee County Public Portal for property/tax information. Current-year taxes are collected by municipalities; older/delinquent taxes by the County Treasurer (414-278-4033). Legacy GCS portal URL is obsolete.
Additional Information
The Milwaukee County Treasurer acts as the county banker and collects delinquent property taxes for most suburban municipalities. Official pages are on county.milwaukee.gov. Free public tax/parcel search uses the Catalis/LandNav Public Portal with Guest Sign In.
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