Platte County Clerk's Office

Elected Officeholder: Nancy Armstrong

Platte County Administration Building
415 Third St., Room 116
Platte City, MO 64079
Hours: Monday-Friday 8am – 5pm
Phone: (816) 858-3340
[Map] [Directions]
Open during lunch hours - No appointment necessary


Maintains and preserves official records of the minutes, contracts and legal documents of the County Commission.

•    Certifies tax levies to the State Auditor and Platte County Collector
•    Reports Aggregate Assessed Valuations to taxing districts
•    Ensures correct reporting of taxing jurisdictions’ Pro-Formas
•    Processes and disperses Accounts Payables
•    Issues permits and licenses: Click items below for more information