LaSalle County Flood Maps (Illinois)

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

La Salle Township Assessor LaSalle IL 931 1st Street 61301 815-223-0807

Lasalle County Assessor's Office Ottawa IL 707 East Etna Road 61350 815-434-8233


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

Earlville City Clerk Earlville IL 210 West Railroad Street 60518 815-246-9588

La Salle City Clerk LaSalle IL 745 2nd Street 61301 815-223-0077

La Salle Clerk Ottawa IL 119 West Madison Street 61350 815-433-0774

Lasalle County Clerk Ottawa IL PO Box 430 61350 815-434-8202

Leland Village Clerk Leland IL 285 West Genessee Street 60531 815-495-9530

Mendota City Clerk Mendota IL 800 Washington Street 61342 815-539-7459

Oglesby City Clerk Oglesby IL 128 West Walnut Street 61348 815-883-5122

Peru City Clerk Peru IL 1727 4th Street 61354 815-223-0061


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

La Salle County Recorder of Deeds Ottawa IL 707 East Etna Road 61350 815-434-8226


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

LaSalle County Emergency Services Seneca IL 303 North Cash Street 61360 815-357-6950

LaSalle Emergency Services La Salle IL 1227 5th St 61301 815-223-2121

Lostant Emergency Services Lostant IL North Main Street 61334 815-368-3066

Seneca Emergency Services Seneca IL 340 North Cash Street 61360 815-357-8686


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

Peru Zoning Peru IL 1901 4th Street 61354 815-223-1148