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Gage County reviews major reappraisal effort; MIPS estimates $50–$60 per parcel
Summary
Deputy director from MIPS described a countywide mass appraisal using field inspections of roughly 2,000 parcels, sales-based calibration and new software tools; board discussed protest process, referee materials and potential MIPS assistance.
Derek Nieder Klein, deputy director for MIPS, told the Gage County Board of Supervisors on April 30 that his team has completed field inspections in the county’s small towns and is using sales data to calibrate a new mass-appraisal structure for the assessor’s office. The work included about 2,000 exterior inspections, photos and data collection on iPads, he said.
The presentation explained the county’s move from ad-hoc valuation changes to a consistent, model-driven system. "The law requires that properties are inspected no less frequently than once every six years," Nieder Klein said, describing the legal baseline for inspection frequency and the purpose of a mass-appraisal approach that values groups of similar properties rather than individual parcels one at a time.
That mass-appraisal structure is built from recent sales (Nieder Klein said roughly 5–6% of properties sell in a year) and standardized descriptions so comparable homes are treated consistently. He said MIPS’ field team imported data and photos directly into the county’s valuation system and then used recent sales to calibrate values across neighborhoods.
Nieder Klein provided a ballpark cost estimate for the fieldwork: "I think it figures out to be between $50 and $60 a parcel," reflecting the combined software and inspection effort for the parcels inspected. He also told supervisors that MIPS can assist with protest handling and referee materials at an additional, billable hourly rate.
Supervisors asked how frequently reappraisals should be done and how the protest and referee process will work. Nieder Klein said reinspection must occur at least once every six years under state law, and counties must revalue sooner if assessed values drift from the market. He added that the aim of the current work is to install a repeatable valuation structure so future updates can be made without another full restructuring.
Board members and county staff discussed practical steps to handle protests: producing model printouts or comparable-sales packets for referees and the board, arranging trial runs so supervisors understand the new reports, and ensuring the assessor’s office can produce hard-copy model outputs for hearings. Nieder Klein and Alice Lauer (assessment specialist with MIPS) said the system can export reports and comparable-sales displays that should support referee hearings.
No county action was taken at the meeting; the presentation was informational. Several supervisors urged staff to schedule practice runs with referees and to ensure printed materials are available for protest hearings.
The discussion covered technical and process points—how the system groups sales, how to treat outlier properties during protests (interior inspections where needed), and the optional role MIPS can play in protest hearings at an hourly rate.
The board thanked the presenters and moved on to other agenda items.
