Find the county first, then search its official portal by address, owner, or parcel number.
Find official property searches, tax bills, maps, and exemption resources for 56 counties and equivalent jurisdictions.
Choose another state →Showing all 56 records
No counties match. Try a shorter county name, or clear the filter to browse the full list. If you only know the street address, check the county shown on the property’s tax notice.
These counts are calculated from the 56 reviewed jurisdiction records in this directory. Availability means that a direct HTTP or HTTPS route was identified; it does not mean every portal exposes the same fields or years.
Dataset edition: August 1, 2026
| Resource | Jurisdictions | Coverage | What it provides |
|---|---|---|---|
| Agency website | 55 of 56 | 98% | Official assessor, appraiser, appraisal-district, or equivalent office route. |
| Property search | 56 of 56 | 100% | Direct parcel or assessment-record search identified in the reviewed record. |
| GIS parcel map | 56 of 56 | 100% | Interactive mapping route for parcel location and boundary context. |
| Tax collection | 53 of 56 | 95% | Bill, balance, payment, receipt, or collector information route. |
| Exemption channel | 56 of 56 | 100% | Official application, form, or program-information route. |
Office names and responsibilities vary even within a state. The directory classifies the reviewed Montana records under the following administrative models.
Repeated guidance can reveal a common state calendar, but a county notice, local ordinance, installment schedule, or special program can still control an individual property. The entries below are shown only when the same reviewed wording appears in at least two Montana records.
Tax year 2026 Montana real-property taxes: first payment due by 5:00 p.m. November 30, 2026; second payment due by 5:00 p.m. May 31, 2027. If a due date falls on a weekend or holiday, the next business day applies; county notice/postmark rules also apply.
Submit Montana DOR Form AB-26 within 30 days of the date on the 2025–2026 classification and appraisal notice. If that deadline was missed, the 2026 fallback informal-review deadline was June 1, 2026; formal appeals may proceed to the Montana Tax Appeal Board. Official process: https://revenue.mt.gov/property/appraisal/appeals-and-reviews.
For tax year 2026, Montana homestead and long-term-rental reduced-rate enrollment closed March 20, 2026. The 2027 application period is May 4, 2026–March 1, 2027; qualifying principal residences require at least seven months of occupancy and current taxes.