Town Assessor

Town Assessor

Catalis Tax & CAMA, Inc.

Phone: (262) 253-1142

In November of 2023, long-time Town Assessor Grota Appraisals formally changed its name to Catalis Tax and CAMA, Inc. Despite the name change, the local office retained the same employees in the same office location. Catalis is committed to providing experienced and professional assessment services with expert knowledge of the CAMA software Market Drive to insure uniform, fair and equitable assessments. Catalis will continue to provide the same quality and personalized customer service to the Town and its property owners recognizing and insuring present and future assessment needs are met.

Catalis Tax & CAMA, Inc. (formerly Grota Appraisals name change Nov. 2023)

The Town utilizes Catalis Tax & CAMA, Inc., with the local office out of Menomonee Falls, Wisconsin, to handle all aspects of the Town's assessments. To view a property's assessment in the Town of Cedarburg, you may go to and input the property address you are reviewing.

2024 Preliminary Assessment Roll

2024 Open Book

The Assessor will be available on the 9th day of May, 2024, in person at Town Hall or via phone or email from 3 pm to 5 pm at Cedarburg Town Hall. Please feel free to reach out ot the Assessor by phone or email prior to the Open Book with any questions. Instructional material will br made available by the Assessor to persons who wished to object to valuations under s. 70.47, Wis. Stats.

Open Book:      May 9, 2024 from 3 pm to 5 pm. Call or email the assessor any time before the end of the Open Book.

Assessor:           Ray Koscak, 262-253-1142,

2024 Board of Review

2024 Open Book & Board of Review Notice - Click Here

The Board of Review is currently scheduled to meet on June 5th, 2024, from 6:00 p.m. to 8:00 p.m. at Town Hall for the purpose of reviewing and examining the assessment roll of real and personal property in the Town. The Board of Review is a local, quasi-judicial body that hears objections to property (real & personal) assessments, add mistakenly omitted property to the tax roll, and correct errors in assessment that were not resolved at the Open Book. Those wishing to be heard and reviewed are required to provide notice no later than 48 hours before the Board of Review. Objection forms can be requested, Monday-Friday from 8:00 a.m. - 4:30 p.m.

Contact Clerk/Assistant Administrator Jack Johnston at 262-377-4509 or email him at for instructional material and application forms to object to valuations under s. 70.47, Wis. Stats. Once application materials are complete, email them to Jack Johnston at to file the forms and reserve a time slot before the Board of Review.