Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest and crime counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 23, 2026 and September 25, 2026.
Grain Valley, Missouri, in Jackson County, has about 17,000 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Grain Valley depends on where the incident happened. This guide names each agency, where its records page is and what the Missouri Sunshine Law requires of it.
This guide covers which agency, the city's records page, the sheriff's reports, what the law requires and common questions.
Related guides: Grain Valley public records, Jackson County police reports, Grain Valley arrest records, Grain Valley warrants, Grain Valley inmate search, Grain Valley criminal records, Missouri arrest records and Missouri inmate search.
Which Agency Holds a Report from Grain Valley
The report of an incident is released by the agency that took it; the court and the jail hold their own records of the same event, but not the report.
Inside Grain Valley that is the agency that reports to the FBI for the city (filed by the FBI as Grain Valley Police Department); outside it, the Jackson County Sheriff's Office.
The FBI's agency list also places two campus police departments and three other agencies in Jackson County, each with a records office of its own.
The Pleasant Hill Police Department is listed by the FBI across two counties including Jackson County, so its arrests are not broken out for Jackson County here.
Reports from the Grain Valley Police
For Grain Valley, SearchSystems opened and checked the Grain Valley police department's page at cityofgrainvalley.org/police/crime_prevention_programs (page title: Crime Prevention & Programs | City of Grain Valley, Missouri), phone (816) 847-6250, 719 R.D. Mize Road, Grain Valley, MO 64029, which answered when SearchSystems opened it on September 25, 2026.
The agency that reports for Grain Valley had 16 violent and 136 property crimes reported for 2025 and reported 155 arrests for 2025.
Reports from the Jackson County Sheriff's Office
The Jackson County Sheriff's Office is the county agency; it had 76 violent and 294 property crimes reported for 2025 and reported 825 arrests for 2025.
Its reports come from its records unit, reached through the office at 877-654-8463. The office's page SearchSystems verified is its custody page, at jacksoncountyso.com/inmate-search (page title: Inmate Search | Jackson County Sheriff's Office), phone 877-654-8463, which answered when SearchSystems opened it on September 23, 2026.
What the Missouri Sunshine Law Requires
Under the Missouri Sunshine Law the agency must answer a request within 3 business days, and it may charge research time and copying. The request goes to the agency that holds the report, in writing, and does not have to say why the report is wanted.
A defendant who has been charged gets the report through the case: the Prosecuting Attorney, (816) 881-3555, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Grain Valley?
From the agency that took it. The Grain Valley police department's page is at cityofgrainvalley.org, phone (816) 847-6250; the sheriff's reports come from the Jackson County Sheriff's Office.
How long does an agency in Grain Valley have to answer?
Under the Missouri Sunshine Law, within 3 business days. It may charge research time and copying.
How do I get a report from the Jackson County Sheriff's Office?
From its records unit, reached through the office at 877-654-8463. Under the Missouri Sunshine Law the answer is due within 3 business days.
Is this the official Grain Valley website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.