St. Louis County, MO

St. Louis County, MO assessor property search and records

Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for St. Louis County, Missouri. Search an address or APN, then jump to official county sources or property tax and value data.

Official sources

St. Louis County assessor, recorder, tax, and parcel map sources

Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.

St. Louis County official assessor, tax, deed, GIS, permit, and land-use sources
Record typeOfficial sourceNotes
Assessed valuesSt. Louis County Real Estate Searchassessor.stlouiscountymo.gov/realestate/searchinput.aspx
  • Official portal for searching real estate property records and assessment data.
Deeds and recorded documentsSt. Louis County Recorder of Deeds Searchstlouiscountymo.gov/st-louis-county-departments/revenue/recorder-of-deeds/deed-search/
  • Provides access to recorded deeds and marriage licenses. Uses third-party platforms Tapestry and Laredo for document retrieval.
Property taxesSt. Louis County Property Tax Inquirytaxpayments.stlouiscountymo.gov
  • Official property tax inquiry and payment portal.
GIS and parcel mapsSt. Louis County Geospatial Data Centergis.stlouiscountymo.gov
  • Official GIS portal for parcel mapping and spatial data.
Permits and building recordsSt. Louis County Permitting and Contractor Licensing Portalaca-prod.accela.com/SLC/Default.aspx
  • Official Accela portal for building permits, occupancy inspections, and contractor licensing.
Zoning and land useSt. Louis County Planning and Zoningstlouiscountymo.gov/st-louis-county-departments/planning/
  • Zoning information is accessible via the Planning Department and integrated into the GIS portal.
County data

St. Louis County tax rates and property values

County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.

Median estimated value$315,821

Median estimated market value for properties in this county.

AssessorSearch county data
Median assessed value$49,140

Median assessed value from county assessment records when available.

AssessorSearch county data
Median annual property tax$3,189

Median annual property tax amount from indexed tax records when available.

AssessorSearch county data
Median effective property tax rate1.02%

Median effective property tax rate calculated from annual tax and value fields.

AssessorSearch county data

City property data

Top city rollups for estimated value, assessed value, property tax rate, and tax amount.

St. Louis County city-level property value and tax-rate rollups
CityMedian estimated valueMedian assessed valueMedian effective property tax rateMedian tax amount
Saint Louis$296,701$46,2501.00%$2,943
Florissant$219,287$34,1501.20%$2,554
Ballwin$445,408$68,4600.95%$4,142
Chesterfield$633,298$100,4700.94%$5,923
Wildwood$594,111$94,4301.00%$6,016
Fenton$425,754$64,7701.04%$4,334
Maryland Heights$300,532$45,3501.01%$2,991
Manchester$402,387$63,5800.96%$3,899
Hazelwood$197,859$30,1401.09%$2,142
Saint Ann$165,357$28,4751.33%$2,302
FAQ

St. Louis County property records FAQ

Common questions about assessor, deed, tax, GIS, and permit records.

Where can I verify assessed value in St. Louis County?

Use the official St. Louis County Real Estate Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.

Where can I look up St. Louis County property tax bills or payments?

Use the official St. Louis County Property Tax Inquiry for property tax bills, payment history, due dates, or tax collector records.

Where can I find deeds or recorded documents in St. Louis County?

Use the official St. Louis County Recorder of Deeds Search for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.

Where can I view parcel maps or GIS data in St. Louis County?

Use the official St. Louis County Geospatial Data Center for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.

Can I build a list of St. Louis County property owners?

Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.

Related counties

More Missouri property records

Use related county pages when researching nearby property records or comparing official source patterns.