LaSalle County Property Assessor (Illinois)

Search for LaSalle County, IL property assessment information. Property Assessments include property tax assessments, property valuations, property tax liens, defaults on property taxes, and property assessment appeals.


LaSalle County Assessors determine the value of properties and parcels so that the jurisdiction can levy Illinois property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on LaSalle County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. LaSalle County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. LaSalle County Assessment Offices provide online access to their property assessment records.

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


LaSalle County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Illinois municipality. These LaSalle County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the LaSalle County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. LaSalle County Clerks provide online access to their public property tax records, including documents related to property assessments.

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


LaSalle County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the Illinois public. The Office of the Recorder of Deeds maintains records on LaSalle County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The LaSalle County Recorder provides online databases for public records access of property assessments.

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


LaSalle County Town Halls and City Halls are the chief administrative office that runs a town or city in Illinois. The Town or City Hall maintains records related to the locality, including property assessment records. These LaSalle County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

Brookfield Town Hall Seneca IL 2099 North 27th Road 61360 815-357-1144

Dayton Township Town Hall Ottawa IL 3312 East 18th Road 61350 815-433-0855

Fall River Township Town Hall Ottawa IL # 1816, 1805 N 25th Rd 61350 815-434-5325

Kangley Town Hall Streator IL 4501 Main Street 61364 815-672-5460

La Salle City Hall LaSalle IL 745 2nd Street 61301 815-223-3755

Oglesby City Hall Oglesby IL 110 East Walnut Street 61348 815-883-3389

Ottawa City Hall Ottawa IL 301 West Madison Street 61350 815-433-0161

Seneca City Hall Seneca IL 340 North Cash Street 61360 815-357-8771

Tonica Village Town Hall Tonica IL 605 East Wauponis Street 61370 815-442-3101


LaSalle County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Illinois. The Office of the Treasurer and Tax Collector maintains current data on every LaSalle County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on LaSalle County property auctions and a property's prior liens or foreclosures. LaSalle County Treasurers and Tax Collectors provide online databases to access property assessment records.

Lasalle County Illinois Tax Collector Ottawa IL 707 East Etna Road 61350 815-434-8219

Marseilles City Treasurer Marseilles IL 209 Lincoln Street 61341 815-795-2133