Cook County Portal http://www.cookcountypropertyinfo.com Cook County property owners are able to search for their records online. The Portal consolidates information and delivers Cook County taxpayers a one-stop customer service website.
Cook County Assessor's Office http://cookcountyassessor.com Look up information regarding tax assessments, exemptions, appeals, and contact information for assessors’ offices in Cook County. You can also find the Property Identification Number for a parcel or to check assessments of neighboring properties. Cook County Treasurer's Office http://www.cookcountytreasurer.com Pay your current Cook County taxes online and check tax payment status by entering the Permanent Index Number for a parcel. The site also contains a searchable database of probate estates and has general information regarding taxes in various languages. Cook County Board of Review http://www.cookcountyboardofreview.com Individual property owners may file an assessment complaint online regarding their property during pre-registration or during the period that the relevant township is open for its thirty-day (30) filing period.
Cook County Recorder of Deeds http://www.ccrd.info/CCRD/il031/index.jsp Provides an online database of recorded documents searchable by grantor/grantee, Property Identification Number, document number or legal description. Recorded documents can also be purchased online for downloading.