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Home & Property
Missouri homeownership is driven by assessed value, local levies, odd-year reassessment, and county procedures. Start here before you treat last year's tax bill as a fixed number.
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Southwest Missouri
A Barton County septic project starts before construction
Barton County Health Department's onsite sewage permit packet says not to begin construction before a permit is issued.
Lake of the Ozarks / Osage Region
Benton County septic questions go through a local wastewater ordinance
Benton County Health Department says the county adopted a wastewater treatment systems ordinance and the health department enforces it.
Central Missouri / Missouri River Corridor
Boone County plat books are an Assessor map tool
Boone County's Assessor points residents to plat books and map viewers, which can help with rural land and ownership research before calling an office.
Central Missouri / Missouri River Corridor
MU Extension is Boone County's practical soil and land desk
MU Extension's Boone County pages point residents to science-based local programs and services such as soil testing.
Northern Missouri
Inside St. Joseph, building permits start with the city
For work inside St. Joseph, the city's Building Development office is the permit starting point, separate from Buchanan County's unincorporated planning and zoning path.
Bootheel
On-site sewer permits start with Butler County Health
Butler County Health Department says it is the regulating authority for local on-site sewage work and reviews state permit packets before construction.
Northwest Missouri / Missouri River Corridor
Carroll recorded-document searches start with the recorder
Carroll County's recorder page points residents to an online search for marriage records, real estate records, and tax liens.
Ozarks (Rural)
Carter County septic permits run through the health center
Carter County Health Center says it regulates local onsite sewage work and reviews the permit packet before a construction permit is issued.
Kansas City Region
Cass County septic work has its own county permit path
Cass County keeps septic rules, applications, and professional lists with its building, zoning, and environmental health office.
Kansas City Region
Cass County Recorder offers document search and fraud alerts
Cass County's Recorder is the land-record office, with free online document search registration and a fraud-alert sign-up for recorded names.
Southwest Missouri
Christian County parcel checks can start with the assessor GIS
The Christian County Assessor site points property researchers to a public GIS viewer as part of the local real-estate and mapping workflow.
Kansas City Region
Clay County floodplain work needs its own permit
In unincorporated Clay County, floodplain development is a separate permit check before construction, grading, filling, or similar work begins.
Kansas City Region
A Clay County home business can be a zoning permit question
Some business uses on residentially zoned property in Clay County need a Home Occupation permit from Planning and Zoning.
Kansas City Region
Clay County watches one acre of land disturbance
Clay County points property owners to Planning and Zoning before non-agricultural land disturbance of one acre or more.
Kansas City Region
Clay County Health is the onsite sewage permit stop
Clay County Public Health handles permits, inspections, site approvals, and complaints for many onsite sewage systems.
Central Missouri / Missouri River Corridor
Rural Cole County septic work starts with Environmental Public Health
Cole County homes and businesses without central sewer may need the county Health Department's onsite wastewater review before installing or repairing a system.
Central Missouri / Missouri River Corridor
Boonville building questions start with city planning
Inside Boonville, building and planning questions route through the city planning and zoning office, with city-limit and zoning maps as the first boundary check.
Central Missouri / Missouri River Corridor
Cooper County septic work depends on soil and health review
Cooper County Public Health explains that wastewater design depends on household use, soil type, and registered installer rules.
St. Louis Region
Franklin County's property search is an assessor starting point
Franklin County's assessor page points residents to property search for real-estate records and personal-property filing, but that is not the same as paying taxes.
Southwest Missouri
Greene County floodplain work starts with Environmental
In unincorporated Greene County, activity inside the mapped Special Flood Hazard Area needs a floodplain development permit.
Southwest Missouri
Unincorporated road improvements have county design standards
Greene County Highway publishes design standards for public road improvements in unincorporated parts of the county.
Ozarks (Rural)
Howell County private wells can be tested through the health department
Howell County Health Department gives rural well owners a local testing path for bacteria and, when needed, chemistry analysis.
Kansas City Region
Johnson County parcel maps are reference tools, not surveys
Johnson County's Assessor maintains parcel maps and GIS data for assessment work, but the county warns they should not be treated as legal surveys or boundary proof.
Kansas City Region
Warrensburg building permits use a city portal
Inside Warrensburg, building permit applications go through the city's online permit system and Community Development staff.
Ozarks (Rural)
Lebanon building work starts with city Code Administration
Inside Lebanon city limits, building, remodeling, utility, fence, pool, zoning, and inspection questions route through the city's Code Administration and building permit process.
Kansas City Region
Lafayette County deed research still starts with the Recorder
Lafayette County Recorder of Deeds provides public access to real estate and marriage records in the office and maintains records under Missouri law.
Kansas City Region
Lafayette County sewage permits depend on the property layer
Lafayette County Health Department says private sewage questions can route to Planning, Health, or Missouri DNR depending on acreage, location, and system type.
Southwest Missouri
Lawrence County Recorder offers a property-fraud notification path
The Lawrence County Recorder of Deeds points residents to a free notification service for recorded documents, while making clear it is an early warning system, not fraud prevention.
Southwest Missouri
Unincorporated Lawrence County still has a septic permit question
Lawrence County says it does not require county building permits in unincorporated areas, but septic-system permits still need a check.
St. Louis Region
Lincoln County septic work starts with the health department
Lincoln County Health Department is the local office to check before new septic work or major repairs that need a permit.
Northern Missouri
Macon land documents route through the Recorder of Deeds
For deeds, mortgages, transfers, and land contracts in Macon County, the Recorder of Deeds is the office to check before relying on a tax or map record.
Southeast Missouri / Lead Belt / Mississippi Corridor
Madison County sits inside the St. Francois Mountains groundwater story
DNR places parts of Madison County in the St. Francois Mountains Groundwater Province, where ancient igneous rocks shape the local land-and-water context.
Ozarks
Maries County deeds have an iCounty search path
Maries County land-record research can start with the Recorder's iCounty search, while assessor mapping still relies on recorded deeds.
Northern Missouri
Hannibal building permits are a city-limits question
Inside Hannibal city limits, the Building Inspector reviews plans, issues permits when needed, and enforces city building codes.
Northern Missouri
Marion County land records start with the Recorder
Marion County's Recorder of Deeds files, maintains, and preserves county land records, plus marriage licenses and military discharge papers.
Northern Missouri
Marion County is a zoned county, so permits can apply outside town
Marion County's county coordinator says the county is zoned, building permits are required, and on-site wastewater permits come from the health department.
Northern Missouri
Monroe land records belong with the Recorder of Deeds
For Monroe County deeds and land records, the Recorder of Deeds in Paris is the official office to check before relying on tax or map data.
Lake of the Ozarks / Osage Region
Morgan County parcel checks can start with the assessor and GIS map
Morgan County's official site links the assessor office and a county GIS map for parcel and property research.
Southwest Missouri
Neosho building permits now start with an online account
The City of Neosho says building permit applicants need an account in the city permit portal before applying or checking permit progress.
Bootheel
Pemiscot land records have both recorder-office and online paths
Pemiscot County's recorder page points land-record users to online records or public access computers, while warning that the office cannot perform lien searches for them.
Southeast Missouri / Lead Belt / Mississippi Corridor
Perry County property research can start with the Assessor's records search
Perry County's assessor records page explains what can be copied, requested by phone, or researched in more detail through the assessor's site.
Southeast Missouri / Lead Belt / Mississippi Corridor
Perry County land documents belong with the Recorder
The Perry County Recorder handles recorded land documents and points occasional and regular users to different record tools.
Central Missouri / Missouri River Corridor
Pettis County GIS maps are a property-research starting point
Pettis County links residents to GIS maps powered by Beacon, making the county site a useful first stop for parcel and map research.
Central Missouri / Missouri River Corridor
Sedalia code questions start with Community Development
Inside Sedalia, permit and code questions start with the city's Community Development and code-enforcement staff.
Ozarks (Rural)
Phelps County deed searches route through the Recorder and Tapestry
Phelps County Recorder of Deeds preserves land records and points public online searches to Tapestry, which is useful before chasing title or recording questions.
Kansas City Region
Platte County has a flood development permit path
Platte County's flood development application is a separate check for work in floodways and floodway fringes.
Southwest Missouri
Polk County land records are not the same as parcel maps
The Polk County Recorder keeps deed and recording records, while the county's online record search has sign-up and subscription limits that buyers should understand before relying on it.
Northern Missouri
Schuyler County deed searches start with the recorder
Schuyler County's Recorder of Deeds has an online iCounty search, but buyers should still treat the recorder as the official starting point for recorded land documents.
Ozarks (Rural)
Rural septic questions need a local authority check
In Shannon County, a rural septic project should start by confirming the permitting authority, using Missouri DHSS guidance and local Health Center contact information.
St. Louis Region
St. Charles County floodplain permits can apply without a building permit
St. Charles County says floodplain development permits can be required even when an ordinary building permit is not.
St. Louis Region
St. Charles County has a pre-permit development meeting
For larger unincorporated projects, St. Charles County offers a One Stop meeting to surface permit, utility, road, health, and fire-district questions early.
St. Louis Region
St. Charles County OWTS rules start with jurisdiction
Onsite wastewater systems in unincorporated St. Charles County and some contract jurisdictions are regulated through Building and Code Enforcement.
Southeast Missouri / Lead Belt / Mississippi Corridor
Building permits can start with the county or the city
St. Francois County lists a county building permit through the clerk, while Farmington has its own city building-permit process.
St. Louis Region
County real-estate search works best when you bring the right identifier
St. Louis County's real-estate search lets residents start with locator number, owner name, address, or subdivision name, which helps before calling the Assessor.
Southeast Missouri / Lead Belt / Mississippi Corridor
The Ste. Genevieve assessor parcel search is a starting point, not a guarantee
Ste. Genevieve County's assessor parcel-search page is useful for ownership data, but its own disclaimer tells users not to treat it as error-free.
Southeast Missouri / Lead Belt / Mississippi Corridor
Ste. Genevieve land records run through the Recorder of Deeds
The Ste. Genevieve County Recorder of Deeds records land-transaction documents, marriage licenses, military discharges, and public-record copies.
Southwest Missouri
Stone County's plan treats water quality as a lake-area land question
Stone County's comprehensive plan ties Table Rock Lake, karst, wells, septic systems, and shoreline development into the same local planning conversation.
Southwest Missouri
Taney County septic questions run through Environmental Services
Taney County Environmental Services manages the onsite wastewater program, including applications, permits, and inspections for new or repaired systems.
Southwest Missouri
The regional sewer district is its own Taney County contact
Taney County lists a County Regional Sewer District in Kirbyville, separate from Planning and Zoning, Road and Bridge, and city utility offices.
Southeast Missouri / Lead Belt / Mississippi Corridor
Washington County deeds have a Recorder page and an iCounty login
Washington County's recorder page explains the land-record office, while the iCounty portal gives residents an online search path.
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