| 2026 | 8/4/2026 | Assessors, Municipal Officials | 2026 | No | | Reminder – Preliminary Equalized Values August 7 Review Deadline is Approaching | 2026-08-04 |
| 2026 | 7/31/2026 | Assessors, Municipal Officials | 2026 | No | | 2026 Preliminary Equalized Values Posted | 2026-07-31 |
| 2026 | 7/30/2026 | Assessors, Municipal Officials | 2026 | No | | Draft 2027 Wisconsin Property Assessment Manual | 2026-07-30 |
| 2026 | 7/14/2026 | Assessors | 2026 | No | | 2026 Summer Assessor Education Opportunities | 2026-07-14 |
| 2026 | 7/14/2026 | Assessors, Municipal Officials | 2026 | No | | Manufacturing Administrative Districted Realignment | 2026-07-14 |
| 2026 | 7/6/2026 | Assessors, Manufacturing, Municipal Officials | 2026 | No | | 2026 Preliminary Manufacturing TID Report – Available for Review | 2026-07-06 |
| 2026 | 7/2/2026 | Assessors | 2026 | No | | New PAD Application in MTA Webinar Recording and Q&A Now Available | 2026-07-02 |
| 2026 | 6/18/2026 | Assessors | 2026 | No | | Register Now – New PAD Application in MTA Webinar – June 24, 2026 | 2026-06-18 |
| 2026 | 6/16/2026 | Assessors, Municipal Officials | 2026 | No | | 2025 Town, Village and City Taxes Bulletin – Available Online | 2026-06-16 |
| 2026 | 6/11/2026 | Assessors, Manufacturing, Municipal Officials | 2026 | No | | 2026 Manufacturing Real Estate Full Value Assessments – Available Online | 2026-06-11 |
| 2026 | 6/11/2026 | Assessors, Manufacturing, Municipal Officials | 2026 | No | | 2026 Preliminary Manufacturing TID Report – Available for Review | 2026-06-11a |
| 2026 | 6/10/2026 | Assessors | 2026 | No | | Register Now – New PAD Application in MTA Webinar – June 24, 2026 | 2026-06-10 |
| 2026 | 6/8/2026 | Assessors, Municipal Officials | 2026 | No | | 2026 MAR Filing Deadline Today – June 8, 2026 | 2026-06-08 |
| 2026 | 6/3/2026 | Assessors, Municipal Officials | 2026 | No | | MAR deadline is approaching | 2026-06-03 |
| 2026 | 6/2/2026 | Assessors, Municipal Officials | 2026 | No | | 2026 Annual Assessment Summary Report Now Available | 2026-6-02 |
| 2026 | 6/2/2026 | Assessors | 2026 | No | | Register Now – New PAD Application in MTA Webinar – June 24, 2026 | 2026-06-02 |
| 2026 | 6/1/2026 | Assessors | 2026 | No | | 2026 Provide Assessment Data (PAD) System is open in My Tax Account (MTA) | 2026-06-01 |
| 2026 | 5/29/2026 | Assessors, Municipal Officials | 2026 | No | | 2026 Property Tax Bill Updates | 2026-05-29 |
| 2026 | 5/28/2026 | Assessors, Municipal Officials | 2026 | No | | 2025 Statement of Assessment Line Summaries and Final Statement of Taxes – Available Online | 2026-05-28 |
| 2026 | 5/27/2026 | Assessors | 2026 | No | | Reminder – PAD Open in My Tax Account on June 1, 2026 | 2026-05-27 |
| 2026 | 5/21/2026 | Assessors, Municipal Officials | 2026 | No | | Open Book and Board of Review Information | 2026-05-21 |
| 2026 | 5/20/2026 | Assessors, Manufacturing, Municipal Officials, Telco/Utility | 2026 | No | | State and Local Finance Newsletter – Spring/Summer 2026 Edition Available! | 2026-05-20 |
| 2026 | 5/18/2026 | Assessors | 2026 | No | | Attention Assessors - PAD moving to My Tax Account on June 1, 2026 | 2026-05-18 |
| 2026 | 5/5/2026 | Assessors, Municipal Officials | 2026 | No | | 2026 TID Reports Posted – Active, Terminated, Distressed | 2026-05-05 |
| 2026 | 4/29/2026 | Assessors, Municipal Officials | 2026 | No | | Law Changes Impacting State and Local Finance | 2026-04-29 |
| 2026 | 4/27/2026 | Assessors | 2026 | No | | 2026 MAR Filing Available | 2026-04-27 |
| 2026 | 4/21/2026 | Assessors, Municipal Officials | 2026 | No | | Employment Opportunity – Property Assessment Specialist/Journey | 2026-04-21a |
| 2026 | 3/24/2026 | Assessors | 2026 | No | | Final 2025 Sales Reports Now Available | 2026-03-24 |
| 2026 | 3/18/2026 | Assessors, Municipal Officials | 2026 | No | | Attention Assessors – Two New Processes in MyDORGov Available | 2026-17-03 |
| 2026 | 3/17/2026 | Assessors, Municipal Officials | 2026 | No | | Form PC-226 – Available Online | 2026-03-17a |
| 2026 | 3/9/2026 | Assessors, Municipal Officials | 2026 | No | | ICYMI – Register Now: MyDORGov – New Processes for Assessors and Clerks Webinar on March 10 | 2026-03-09 |
| 2026 | 3/6/2026 | Assessors | 2026 | No | | Corrected Preliminary 2025 Sales Reports Now Available for Review | 2026-03-06 |
| 2026 | 3/3/2026 | Assessors, Municipal Officials | 2026 | No | | 2025 TID Creation and Territory Amendment Reports Posted | 2026-03-03 |
| 2026 | 3/2/2026 | Assessors, Municipal Officials | 2026 | No | | Register Now: MyDORGov – New Processes for Assessors and Clerks Webinar on March 10 | 2026-03-02 |
| 2026 | 2/24/2026 | Assessors | 2026 | No | | RETR status update | 2026-02-24 |
| 2026 | 2/23/2026 | Assessors | 2026 | No | | PAD Reminder – Deadline next Friday, March 6 | 2026-02-23 |
| 2026 | 2/20/2026 | Assessors | 2026 | No | | Preliminary 2025 Sales Reports Now Available for Review | 2026-02-20 |
| 2026 | 2/17/2026 | Assessors | 2026 | No | | 2026 Spring Assessor Education Opportunities | 2026-02-17 |
| 2026 | 2/16/2026 | Assessors, Municipal Officials | 2026 | No | | Coming March 2026: Assessors can manage your contact information and municipalities all in one place – MyDORGov! | 2026-02-16 |
| 2026 | 2/13/2026 | Assessors, Municipal Officials | 2026 | No | | Final 2025 Major Class Comparison Report Available Online | 2026-02-13 |
| 2026 | 2/12/2026 | Assessors, Manufacturing | 2026 | No | | 2026 Manufacturing and Telecommunication Notification Rolls | 2026-02-12 |
| 2026 | 2/2/2026 | Assessors | 2026 | No | | Reminder - 2025 Annual Assessor Meeting Due February 21, 2026 | 2026-02-02 |
| 2026 | 1/27/2026 | Assessors, Municipal Officials | 2026 | No | | Annual Reports are Available Online | 2026-01-27 |
| 2026 | 1/26/2026 | Assessors | 2026 | No | | PAD Reminders and Deadlines | 2026-01-26 |
| 2026 | 1/26/2026 | Assessors, Municipal Officials | 2026 | No | | Real Estate Transfer Return – New System Reminders | 2026-01-26 |
| 2026 | 1/20/2026 | Assessors | 2026 | No | | Reminder - 2025 Annual Assessor Meeting Due February 21,2026 | 2026-01-20 |
| 2026 | 1/15/2026 | Assessors | 2026 | No | | 2026 Tower Assessment and Exemption Reminder | 2026-01-15 |
| 2026 | 1/14/2026 | Assessors, Municipal Officials | 2026 | No | | 2026 Property Owner Guides Now Available | 2026-01-14 |