Clay County Assessor
Administration Building
300 West Fourth Street
P.O. Box 452
Spencer, Iowa 51301-0452
Voice: 712-262-1986
Fax: 712-262-5257
Danika Welsch, Assessor
Amy Strohman, Deputy Assessor
Teri Van Ness, Real Estate Clerk
Brent Trierweiler, Real Estate Appraiser
Administration Building
300 West Fourth Street
P.O. Box 452
Spencer, Iowa 51301-0452
Voice: 712-262-1986
Fax: 712-262-5257
Danika Welsch, Assessor
Amy Strohman, Deputy Assessor
Teri Van Ness, Real Estate Clerk
Brent Trierweiler, Real Estate Appraiser
The County contracted with Vanguard Appraisals in 2019 to conduct a reappraisal project of residential and ag dwellings. As of February 26, 2026 the urban residential is complete, and the listers are working on rural residential out in the townships.
