St. Louis County Flood Maps (Missouri)

Assessors in St. Louis County, Missouri are charged with determining the value of taxable property within a county or local area. These property value assessments are used to levy property taxes. In addition to tax assessment, assessors maintain detailed county and local maps that show parcel boundaries and buildings, including flood maps. These St. Louis County flood maps show flood zones, flood damage, topography, and drainage patterns, which can impact property values. St. Louis County Assessors may make flood maps available on their websites.

St Louis County Assessor Clayton MO 41 South Central Avenue 63105 314-615-1500

St Louis County Assessor's Office Clayton MO 41 South Central Avenue 63105 314-615-0124


Clerks in St. Louis County, Missouri keep public records for a county or local government, including a number of different types of documents. As part of their duties, Clerks maintain detailed maps, including St. Louis County flood maps. These maps contain flood zone information, flood hazards, topography, rivers, lakes, and other bodies of water, as well as other flood-related information. Clerks may also keep St. Louis County historical flood maps. These flood maps may be available through the Clerk's website.

Chesterfield City Clerk Chesterfield MO 690 Chesterfield Parkway West 63017 636-537-4711

Ellisville Clerk Ellisville MO 37 Weis Avenue 63011 636-227-3729

Eureka Clerk Eureka MO 120 City Hall Drive 63025 636-938-6600

Ferguson City Clerk Ferguson MO 110 Church Street 63135 314-524-5152

Maryland Heights City Clerk Maryland Heights MO 11911 Dorsett Road 63043 314-291-6550

St Louis County Clerk Maplewood MO 12 Sunnen Drive 63143 417-741-6661

St Louis County Clerk Clayton MO 41 South Central Avenue 63105 314-615-7041

Webster Groves Clerk Webster Groves MO 4 East Lockwood Avenue 63119 314-963-5416

Wildwood City Clerk Wildwood MO 183 Plaza Drive 63040 636-458-0440

Building Departments in St. Louis County, Missouri ensure the construction of safe buildings by creating and enforcing building codes. As part of this process, St. Louis County Building Departments use flood maps to establish standards for building construction and resistance to natural disasters. Many maintain and evaluate flood maps, which include information on St. Louis County flood zones, flood hazards, topography, soil composition, and flood drainage patterns. These maps may also include information on building codes and regulations related to flooding. These flood maps may be available online through the Building Department.

Chesterfield Planning Department Chesterfield MO 690 Chesterfield Parkway West 63017 636-537-4736

Clayton Permits Clayton MO 10 North Bemiston Avenue 63105 314-290-8440

Creve Coeur Zoning Creve Coeur MO 300 North New Ballas Road 63141 314-872-2501

Ferguson Permits Ferguson MO 110 Church Street 63135 314-521-7721

Maryland Heights Planning Department Maryland Heights MO 11911 Dorsett Road 63043 314-291-6550


Emergency Services in St. Louis County, Missouri manage emergency preparations, responses, and recovery at different levels of government. They may handle natural disasters, severe weather incidents, and a number of other emergency situations. As part of their responsibility for preparedness, Emergency Services departments often maintain St. Louis County flood maps, including flood zones, flood insurance rates, FEMA flood information, and flood hazards. The maps also show water flow and drainage patterns, and may contain emergency flood response information. St. Louis County flood maps may be available online through Emergency Services departments.

West County Emergency Services Ballwin MO 223 Henry Avenue 63011 636-256-2000

West County Emergency Services Ballwin MO 13790 Manchester Road 63011 636-256-1748