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Kansas County
Osage County, Kansas
Melvern Lake and the Marais des Cygnes corridor - from Melvern Lake (the 6,900-acre Army Corps reservoir on the Marais des Cygnes River, providing boating, fishing, camping, and wildlife observation in a productive waterfowl habitat area) to Osage County's position in the Flint Hills transition zone where tallgrass prairie meets eastern Kansas woodlands, and Burlingame's Santa Fe Trail heritage as a significant trail town.
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Office: Osage County Emergency Management – 131 W. 14th Street, Lyndon, KS 66451 | (785) 828-3323 | Fax (785) 828-3662; Director Lynn Atchison. Housed within the Osage County Law Enforcement Center, including a FEMA-rated Communications Center shelter for continuity of operations during severe weather.
Sheriff: Osage County Sheriff’s Office – 131 W. 14th Street, Lyndon, KS 66451 | Dispatch (785) 828-3121 | Jail (785) 828-4991 | Fax (785) 828-3662; Sheriff Chris Wells.
Notes: For an active emergency, call 911.
Roads & Utilities
ROADS & TRANSPORTATION
Roads: US-75 and K-31 serve Lyndon, the county seat, in northeastern Kansas. Burlingame and Osage City, the county’s largest city, sit along US-56/I-35.
Notes: Osage County was originally organized in 1855 as Weller County, renamed in 1859 for the Osage Nation. Osage County is nicknamed “Land of Lakes.” Lyndon, founded in 1869 on land taken from the Sac and Fox Nation for homesteading, is named for Lyndon, Vermont.
Business & Permits
BUILDING & PERMITS
Office: Osage County Courthouse – 717 Topeka Avenue, Lyndon, KS (built 1923, designed by W.W. Hulse, National Register of Historic Places).
Notes: Burlingame, the oldest town in Osage County (founded as Council City in 1855 and renamed in 1858 for diplomat Anson Burlingame), holds genuine Santa Fe Trail significance – second only to Council Grove as a supply and blacksmithing stop for travelers heading west. Burlingame’s Santa Fe Avenue is reputed to be one of the widest brick main streets in the United States at 130 feet across, purpose-built wide enough for ox teams to make U-turns. During the Civil War, the strongly Free-State town built a stone fort in 1862 to defend against Bill Anderson, one of Quantrill’s guerrilla raiders (the fort was later torn down). Osage County’s coalfields, penetrated by the Atchison, Topeka & Santa Fe Railroad in 1869, were among the earliest in Kansas to be commercially developed and remained an important energy source for decades – the state’s last shaft coal mine, Bell Mine Number 4 south of Burlingame, closed in 1964.
Veterans Services
VETERANS SERVICES
Office: Osage County Veterans Affairs – confirm current contact via osageco.org.
Libraries
LIBRARIES
Lyndon Carnegie Library (Lyndon) – confirm current address/phone via the county library system.
Parks & Recreation
PARKS & RECREATION
Key Assets: Historic downtown Burlingame (including its wide brick Santa Fe Avenue) and the Burlingame Schuyler Museum, housed in the 1902 Schuyler School building, are the county’s premier heritage attractions.
Notes: The genuine Santa Fe Trail heritage and unusually wide brick main street of Burlingame are distinctive local facts covered in this project.
GIS & Maps
GIS & MAPS
Appraisal/Parcel Search: Osage County Appraiser’s Office – confirm current contact via osageco.org.
Animal Services
ANIMAL SERVICES
No confirmed dedicated county-wide animal shelter was found in current sourcing; individual cities handle animal control separately – for example, City of Overbrook Animal Services, run through the local police department, contact via Overbrook City Hall. Residents should also contact the Osage County Sheriff’s Office, (785) 828-3121, for current animal control arrangements outside city limits.
Environmental & Waste
ENVIRONMENTAL / WASTE MANAGEMENT
Office: Osage County Solid Waste – confirm current contact via osageco.org.
NOTES: Osage County is the fifth and final county in the eleventh Kansas Round 3 batch, under the A+ sourced standard established for this project. The genuine Santa Fe Trail heritage and unusually wide brick main street of Burlingame are distinctive local facts covered in this project. All contact information above was sourced via web search as of early August 2026 and should be reconfirmed directly with the relevant office before a visit, deadline-sensitive filing, or emergency-adjacent decision.
About Osage County
Osage County is east-central Kansas’s Melvern Lake and Marais des Cygnes corridor county – a quiet Flint Hills transition community whose reservoir and prairie landscape provide recreation and agricultural heritage.
Melvern Lake – 6,900 acres on the Marais des Cygnes – is the county’s primary recreation asset, drawing boaters and anglers from the Topeka and Kansas City metros.
Lyndon (the county seat, population ~1,000) is a small Flint Hills community serving the surrounding agricultural county. Burlingame (population ~900) was a significant Santa Fe Trail town, with the trail corridor passing through the county on its way west.
All Services
Browse every category and topic available for this county.
Osage County Appraiser at 717 Topeka Avenue, Lyndon, KS 66451, phone 785-828-4812. KS residential assessed at 11.5% of appraised value.
Courts & Legal
Osage County District Court at 717 Topeka Avenue, Lyndon, KS 66451, phone 785-828-4523, handles probate.
Marriage & Vital Records
Marriage licenses, divorce records, and birth & death certificates are handled by the following office(s):
COUNTY CLERK (Records, Elections)
717 Topeka Ave., Lyndon, KS 66451
(785) 828-4812
DISTRICT COURT CLERK (Court Records, Marriage Licenses)
717 Topeka Ave., Lyndon, KS 66451
(785) 828-4713
ELECTIONS (County Clerk)
717 Topeka Ave., Lyndon, KS 66451
(785) 828-4812
Genealogy
County-level record sources
Osage County District Court (probate/estate case files – see Probate section above).
The 1923 Osage County Courthouse, listed on the National Register of Historic Places, is a significant local landmark.
Local societies
No dedicated Osage County genealogical society was confirmed in available directories.
Probate & Estate
Losing someone and having to deal with courts and paperwork at the same time is hard. This section won’t make that easier, but it should tell you what to expect, what it costs, and where to go – so at least you’re not walking in blind.
Where to go
Osage County District Court 717 Topeka Avenue, P.O. Box 549, Lyndon, KS 66451 (785) 828-4514
Osage County was founded 1859, named for the Osage Nation, nicknamed the “Land of Lakes.” Its largest city, Osage City, differs from its seat, Lyndon. The 1923 Osage County Courthouse (National Register of Historic Places) sits in Lyndon.
Step 1: figure out which path applies
Kansas has NOT adopted the Uniform Probate Code, maintaining its own statutory framework under the Kansas Probate Code (K.S.A. Chapter 59). Kansas offers several tracks depending on estate size and complexity:
Small Estate Affidavit – for estates where the total value of probate property, less liens and encumbrances, does not exceed $75,000 (raised from $40,000 effective July 1, 2023), available under K.S.A. 59-1507b. This transfers personal property only. If the decedent left a will, it must still be filed with the probate court even though it isn’t being formally probated.
Simplified Administration – under the Kansas Simplified Estates Act (K.S.A. 59-3201 et seq.), the most common route for straightforward estates.
Formal Probate – supervised or unsupervised administration through the District Court for larger or more complex estates.
A will must be filed for probate within 6 months of death, or it may not be admitted, forcing the estate into intestate distribution.
Step 2: filing for formal probate
File a Petition for Probate of Will and Appointment of Executor (if there’s a will) or a Petition for Administration (if intestate) with the Osage County District Court.
The court admits the will (if any) and appoints the personal representative.
Notice to creditors is published per court order; creditors have a defined window to file claims.
The personal representative inventories assets, pays valid debts and expenses, and – under unsupervised administration – acts with reduced court check-ins.
Without a surviving spouse or children, Kansas intestate succession law (K.S.A. 59-501 et seq.) determines which blood relatives inherit.
After debts are paid, the personal representative distributes assets and files a final accounting; the court closes the estate upon approval.
What it costs
Court costs may be remitted for small estates under recent statutory changes.
Executor/administrator and attorney fees are generally reasonable-fee based rather than a fixed statutory percentage.
Typical timelines: Small Estate Affidavit can proceed relatively quickly; formal probate commonly takes several months to over a year.
Probate filings, estate administration, and guardianship matters are handled by the following office(s):
Public Safety & Arrests
Arrest records, inmate search, and law enforcement services are handled by the following office(s):
SHERIFF
717 Topeka Ave., Lyndon, KS 66451
(785) 828-3121
Elections & Voting
Voter registration, polling locations, and elections information are handled by the following office(s):
COUNTY CLERK (Records, Elections)
717 Topeka Ave., Lyndon, KS 66451
(785) 828-4812
ELECTIONS (County Clerk)
717 Topeka Ave., Lyndon, KS 66451
(785) 828-4812
Health & Human Services
Offices & Contacts
Health services, social services, and assistance programs are handled by the following office(s):
Osage County Health Dept
(785) 828-3116
KS DCF — Northeast Region
(785) 229-3600
KS Medicaid (KanCare)
(800) 792-4884
Lyndon Medical Clinic
(limited local services; nearest hospital in Osage City or Topeka)
Stormont Vail Health (Topeka)
stormontvail.org (adjacent Shawnee County — major regional hospital)
Public Health Information
PUBLIC HEALTH
Office: Osage County Health Department – confirm current contact via osageco.org.
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