DuPage County Flood Maps (Illinois)

Assessors in DuPage County, Illinois 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 DuPage County flood maps show flood zones, flood damage, topography, and drainage patterns, which can impact property values. DuPage County Assessors may make flood maps available on their websites.

Addison Township Assessor Addison IL 401 North Addison Road 60101 630-530-8161

Downers Grove Assessor Downers Grove IL 4340 Prince Street 60515 630-968-2100

Dupage County Assessor's Office Wheaton IL 421 North County Farm Road 60187 630-682-7024

Lisle Township Assessor Lisle IL 4711 Indiana Avenue 60532 630-968-1183

Milton Township Assessor Wheaton IL 1492 North Main Street 60187 630-653-5220

Naperville Township Assessor Naperville IL 139 Water Street 60540 630-355-2444


Emergency Services in DuPage County, Illinois 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 DuPage 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. DuPage County flood maps may be available online through Emergency Services departments.

Bensenville Emergency Services Bensenville IL 100 North Church Road 60106 630-350-3461

Toledo Area Emergency Ambulance Service Wheaton IL 250 South Naperville Road 60187 217-849-3336


Clerks in DuPage County, Illinois 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 DuPage 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 DuPage County historical flood maps. These flood maps may be available through the Clerk's website.

Bensenville Village Clerk Bensenville IL 12 South Center Street 60106 630-766-8200

Bloomingdale Town Clerk Bloomingdale IL 123 Rosedale Avenue, Ste 100 60108 630-529-7715

Dupage County Clerk Wheaton IL 421 North County Farm Road 60187 630-407-5500

Naperville Town Clerk Naperville IL 139 Water Street 60540 630-355-1558

Oak Brook Village Hall Clerk Oak Brook IL 1200 Oak Brook Road 60523 630-368-5000

Westmont Village Clerk Westmont IL 31 West Quincy Street 60559 630-829-4400

Building Departments in DuPage County, Illinois ensure the construction of safe buildings by creating and enforcing building codes. As part of this process, DuPage 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 DuPage 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.

Bensenville Village Zoning Bensenville IL 12 South Center Street 60106 630-350-3413

Du Page County Building Department and Permits Wheaton IL 421 North County Farm Road 60187 630-682-7356

Elmhurst City Permits Elmhurst IL 209 North York Street 60126 630-530-3030

Elmhurst Zoning Elmhurst IL 209 North York Street 60126 630-530-3100

Glendale Heights Building Department Glendale Heights IL 300 Civic Centre Plaza 60139 630-260-6030

Glendale Heights Planning and Zoning Department Glendale Heights IL 300 Civic Centre Plaza 60139 630-260-6067

Hinsdale Zoning Hinsdale IL 19 East Chicago Avenue 60521 630-789-7030

Itasca Building Department Itasca IL 550 West Irving Park Road 60143 630-773-5568

Lisle Village Building Department Lisle IL 925 Burlington Avenue 60532 630-271-8900

Lombard Village Building Department Lombard IL 255 East Wilson Avenue 60148 630-620-5750

Naperville Building Department Naperville IL 400 South Eagle Street 60540 630-420-6070

Naperville Permits Naperville IL 400 South Eagle Street 60540 630-305-5305

Naperville Zoning Naperville IL 400 South Eagle Street 60540 630-420-6081

Oak Brook Village Zoning Oak Brook IL 1200 Oak Brook Road 60523 630-368-5103

Oakbrook Terrace Zoning Oakbrook Terrace IL 17W275 Butterfield Road 60181 630-941-8310

Roselle Zoning Roselle IL 31 South Prospect Street 60172 630-671-2821

Wayne Village Zoning Wayne IL 5N430 Railroad Street 60184 630-584-7760

West Chicago Zoning West Chicago IL 1400 West Hawthorne Lane 60185 630-293-2200

Westmont Village Zoning Westmont IL 31 West Quincy Street 60559 630-829-4408

Wood Dale Building Department Wood Dale IL 404 North Wood Dale Road 60191 630-766-5133


Archives in DuPage County, Illinois collect and store documents and other records that have historic value. Most archives also contain local DuPage County maps, including flood maps. These flood maps include DuPage County flood zones, topography, and soil composition. They may also show drainage patterns and flood hazards. Archives may also have historical flood maps that show major floods from the past as well as DuPage County flood plan improvements. Many archives are housed within libraries, and archives may provide online access to their flood map collections.

Du Page County Sheriff Records Archive Wheaton IL 501 North County Farm Road 60187 630-682-7659

Naperville Police Records Archive Naperville IL 1350 Aurora Avenue 60540 630-420-6197


Recorders of Deeds in DuPage County, Illinois ensure the accuracy of property and land records by maintaining real estate ownership documents. In addition to property records, Recorders of Deeds also have detailed county and local maps that show property lines and building information, including flood maps. These flood maps show flood zones, topography, soil composition, and flood hazards, as well as other information related to DuPage County floods. DuPage County Recorders of Deeds may make flood maps available on their websites.

DuPage County Recorder Wheaton IL 421 North County Farm Road 60187 630-407-5400