McHenry County Flood Maps (Illinois)

Search for McHenry County, IL flood maps. Flood maps include information on flood zones, flood hazards, flood insurance rates, FEMA flood plans, topography, soil composition, drainage patterns, and more.


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

Burton Township Assessor Spring Grove IL 1420 Elm Street 60081 815-675-0323

Dunham Township Assessor Harvard IL 21706 West Airport Road 60033 815-943-4444

Greenwood Township Assessor Wonder Lake IL 5211 Miller Road 60097 815-648-4536

Mc Henry Township Assessor Johnsburg IL 3703 North Richmond Road 60051 815-385-0175

Mchenry County Assessor's Office Woodstock IL 220 North Seminary Avenue 60098 815-334-4274

Nunda Township Assessor Crystal Lake IL 3510 Bay Road 60012 815-459-6140


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

Algonquin Village Clerk Algonquin IL 2200 Harnish Drive 60102 847-658-4322

Mchenry County Clerk Woodstock IL 2200 North Seminary Avenue 60098 815-334-4234

Oakwood Hills Clerk Cary IL 3020 North Park Drive 60013 815-444-9453

Riley Township Clerk Marengo IL 21451 Norway Ct 60152 815-568-7335

Wonder Lake Clerk Wonder Lake IL 4200 Thompson Road 60097 815-728-0839


Emergency Services in McHenry 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 McHenry 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. McHenry County flood maps may be available online through Emergency Services departments.

Harvard Emergency Services Harvard IL 201 West Front Street 60033 815-943-4431

McHenry County Emergency Services Woodstock IL 2200 North Seminary Avenue 60098 815-338-6400

McHenry Emergency Services McHenry IL 333 South Green Street 60050 815-363-2149


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

Lakewood Village Building Department Lakewood IL 2500 Lake Avenue 60014 815-459-3025

Marengo City Building Department Marengo IL 835 West Grant Highway 60152 815-568-2669

McHenry Zoning McHenry IL 333 South Green Street 60050 815-363-2170

Oakwood Hills Building Department Cary IL 3020 North Park Drive 60013 815-444-9437

Prairie Grove Building Department Crystal Lake IL 3125 Barreville Road 60012 815-455-3846

Woodstock Zoning Woodstock IL 121 West Calhoun Street 60098 815-338-4305


Recorders of Deeds in McHenry 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 McHenry County floods. McHenry County Recorders of Deeds may make flood maps available on their websites.

McHenry County Recorder of Deeds Woodstock IL 2200 North Seminary Avenue 60098 815-334-4110