Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site on September 23, 2026.
Platte County, Missouri, has about 113,000 residents (2024 Census Bureau estimate). The title to a parcel in Platte County is in the deed records of the Recorder of Deeds and its taxable value is set by the County Assessor; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Platte County public records, Platte County arrest records, Platte County warrants, Platte County inmate search, Platte County police reports, Missouri arrest records and Missouri inmate search.
Deeds, Mortgages and Liens in Platte County
Who owns a parcel in Platte County and what it sold for are in the deed records of the Recorder of Deeds, with every lien or mortgage against the land.
SearchSystems opened and checked the Recorder of Deeds' page at co.platte.mo.us/recorder (page title: Recorder | Platte County), phone (816) 858-3326, 415 Third St., Room 035 Platte City, MO 64079, which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Platte County
What a parcel in Platte County is taxed on is the business of the County Assessor, which also keeps the parcel maps. Missouri reassesses property in odd-numbered years and assesses homes at 19 percent of market value.
SearchSystems opened and checked the County Assessor's page at co.platte.mo.us/assessor (page title: Assessor | Platte County), phone (816) 858-3310, Mon - Fri 8am to 4:30pm, which answered when SearchSystems opened it on September 23, 2026.
More Official Property and Land Records Pages for Platte County
The SearchSystems directory, online since 1997, lists the official pages for Platte County and Missouri. These property pages from its Platte County listing were opened again on October 2, 2026 and each one still answers:
- Collector, Platte County (co.platte.mo.us)
Permits and City Records in the Cities of Platte County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Platte County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Parkville: the city hall page SearchSystems verified is at parkvillemo.gov, phone 816-741-7676 (verified September 26, 2026).
Evictions and Court Cases About Land in Platte County
Court cases about land from Platte County, evictions among them, are filed in the Platte County Circuit Court.
Asking a County Office for a Record
Under the Missouri Sunshine Law a county office must answer a request within 3 business days, and it may charge research time and copying. The county records request page SearchSystems verified is at co.platte.mo.us/sunshine-requests (page title: Sunshine Requests | Platte County).
Frequently Asked Questions
Who records deeds in Platte County?
The Recorder of Deeds, at co.platte.mo.us/recorder, phone (816) 858-3326. Deeds, mortgages and liens on land in Platte County are filed there, and the County Assessor (co.platte.mo.us/assessor) has the assessment records.
Who sets the assessed value of a property in Platte County?
The County Assessor, whose page SearchSystems verified is at co.platte.mo.us/assessor.
Where are evictions from Platte County filed?
In the Platte County Circuit Court. The file is public unless the court seals it.
How is property assessed in Missouri?
Missouri reassesses property in odd-numbered years and assesses homes at 19 percent of market value.
Is this the official Platte County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.