Johnson County owners receive a Notice of Appraised Value from the County Appraiser and may request an informal appeal within 30 days of mailing. The 2026 residential notice reviewed for this guide shows a March 9 mailing and April 8 deadline, but an owner must use the date on the actual property notice. That informal window is closed. Kansas also provides a payment-under-protest route when taxes are paid, but an owner may use only one county-level protest route for the tax year. FairPath can organize a manual set of county records, sales, condition documents, owner questions, and official links. It does not represent an open informal appeal, automated Johnson valuation, filing service, or paid county packet.
Assessment context: Johnson County values taxable real property at fair market value as of January 1. Confirm the property record, quick reference number, parcel identifiers, classification, land and improvement values, year built, living area, and characteristics before deciding what requires explanation. Johnson County's public land-record and appraiser resources support parcel-level review, while some AIMS data products are separately licensed. ACS 2024 five-year data reports a $391,200 median owner-occupied value, $4,447 median annual real-estate taxes, and about 69 percent of housing built before 2000. These figures describe county demand and housing age; they do not prove that a subject is overvalued, unequal, or likely to receive a reduction.
Filing process: For an informal appeal, Johnson allows the online appeal portal or submission of the form attached to the Notice of Appraised Value, subject to the county's current mail, fax, and drop-off instructions. The form asks for the owner, hearing type, reason, owner's estimate of value, basis, representative information, and signature. Preserve proof of timely filing and the confirmation letter that provides the hearing date, time, and format. Telephone, evidence-based, or in-person hearing options may be available. If dissatisfied with the informal result, an owner generally has 30 days to pursue the next Kansas level. Payment under protest is a separate county-level opportunity connected to paying taxes and cannot be stacked with an informal appeal for the same year.
Evidence to review: Johnson's notice identifies possible issues such as market value, unequal treatment compared with like property, classification, or agricultural use. A market-value file can include verified arm's-length sales near January 1 with address, date, price, living area, age, lot, quality, renovation, and location differences. An equalization file should use genuinely like properties and consistent county fields. Dated photographs, inspections, repair estimates, permits, and contractor scopes can explain condition that existed by the valuation date. Correct county-record errors with an owner document tied to the disputed field. The 2026 notice asks for an owner's estimate and basis, so the exhibit index should connect facts to that estimate. FairPath organizes materials but does not determine the estimate or outcome.
Current deadline guidance: 30 days after the 2026 Notice of Appraised Value mailing; April 8 on the reviewed residential notice. Kansas allows 30 days after mailing of the Notice of Appraised Value for an informal appeal. Johnson County's reviewed 2026 residential notice was mailed March 9 and required receipt or postmark by April 8, 2026. The property-specific notice controls, and the 2026 informal window is closed.
The reviewed Johnson residential notice gives an exact March 9 mail date and April 8, 2026 appeal deadline. Other notice categories or corrected notices can differ, so the actual parcel notice remains the filing reference.
Kansas allows only one county-level route per tax year: informal appeal or payment under protest. Track whether an informal appeal was filed before treating payment under protest as an available fallback.
Each tax year is a new valuation. Johnson's notice states that a pending prior-year matter does not preserve current-year rights, so owners should keep annual notices and case records separated by valuation year.
Johnson County's AIMS products have access and use terms distinct from public parcel lookup. This page relies on official public sources and makes no claim that FairPath has purchased, licensed, or ingested a countywide dataset.
Official filing authority: Johnson County Appraiser's Office. https://www.jocogov.org/department/appraiser/property-information/notices-appraised-value
Source: Johnson County Appraiser's Office, Important Dates and Deadlines, https://www.jocogov.org/department/appraiser/property-information/important-dates-and-deadlines. Reviewed 2026-07-15.
Source: Johnson County Appraiser's Office, Notices of Appraised Value, https://www.jocogov.org/department/appraiser/property-information/notices-appraised-value. Reviewed 2026-07-15.
Source: Johnson County Appraiser's Office, County-Level Informal Appeal or Payment Under Protest, https://www.jocogov.org/department/appraiser/property-information/property-value-appeals/level-i-county-level-file-payment-under-protest-or-informal-appeal. Reviewed 2026-07-15.
Source: Kansas Department of Revenue, Property Valuation Division, https://www.ksrevenue.gov/pvdindex.html. Reviewed 2026-07-15.