Assessment and Tax Roll Electronic File Transmissions

​​​​​​​​The Wisconsin Department of Revenue (DOR) requests use of Extensible Markup Language (XML) for filing assessment and tax rolls.

Helpful links


​If you have questions, contact us at OTAS@wisconsin.gov or (608) 266-7750.


Vendors Submitting Valid XML Assessment and Tax Rolls

The list below provides the names of vendors who provide XML assessment and tax rolls complaint with DOR's file requirements.

Vendor NameWebsiteContact Information
LandNav
5402 Beaumont Center Blvd​
​Suite 102
Tampa, FL 33634
https://www.landnav.com​Renee Valk
VP of Operations – Tax
r​enee.valk@landnav​.com
(608)​ 797-7267​​
Transcendent
411 S Commercial St
Suite 201
Neenah, WI 54956
https://www.tra​nscendenttech.comKristen Anderson, GISP
Business Operations Manager
Transcendent Technologies, LLC
kanderson@transcendenttech.com
(920)​ 750-5677
Tyler Technologies
5101 Tennyson Parkway
Plano, Texas 75024
https://www.tylertech.comMegan Kinsman
Senior Manager, Software Engineering
megan.kinsman@tylertech.com
(800) 772-​2260 ext: 4146
Novus
​117 E 5th Street
P.O. Box 878
Washburn, WI 54891
https://novus.bayfieldcounty.wi.govDag Bystrom
Programmer/Analyst
dag.bystrom@bayfieldcounty.wi.gov
(715) ​373-6319