Cook County deeds and property records
Owner and value: the Cook County Assessor's Office. Tax bills: the Cook County Treasurer's Office. Deeds: the Cook County Clerk - Recordings Division. Each official search is below, with copy fees, the appeal route and the Illinois rules that apply.
On this page
Look up a property, its owner and its tax
The Cook County Assessor's Office keeps the parcel record: owner of record, value and property details.1 The Cook County Treasurer's Office bills and collects the tax.2 The deed itself, which proves the transfer, is at the Cook County Clerk - Recordings Division.3
- Parcel and owner search
- cookcountypropertyinfo.com (Cook County Property Tax Portal: PIN or address search)4
- Tax bill search
- Treasurer: tax bill copies and 20-year tax bill history at cookcountytreasurer.com5
- Parcel map (GIS)
- County Clerk maintains real estate (tax) maps; Clerk 'Map Room'3
Cook County Assessor's Office
- Address
- 118 North Clark Street, Chicago, IL 606021
- Phone
- (312) 443-75501
- Hours
- Monday-Friday 8:30 am-5:00 pm1
- Website
- cookcountyassessoril.gov1
Cook County Treasurer's Office
- Address
- 118 N Clark St, Chicago, IL 60602 (payments: Room 112)5
- Phone
- (312) 443-51002
- Website
- cookcountytreasurer.com2
Deeds: search the index and order copies
- Online search
- crs.cookcountyclerkil.gov/Search6Fee charged
- Cost
- Search online; non-certified electronic copy $57
- Years online
- Documents recorded after 1985 can be purchased online; earlier ones in person at 118 N. Clark St, Room 1208
- Copy fee
- Non-certified copy: paper $27.50; electronic download $57
- Certified copy fee
- Certified copy, paper $55; certified digital PDF file $657
- How to order
- Buy online (post-1985; download only, not mailed) or in person at 118 N. Clark St, Room 1208
- Recording fee note
- Fee schedule in effect as of April 1, 2024 (7 document classes)7
What Illinois law sets for every county:
- Copy fee (Cook)
- Cook County: non-certified paper copy $27.50; non-certified electronic download $59
- Certified fee (Cook)
- Cook County: certified copy, paper $55; certified digital PDF file $659
- How to search
- Search the county recorder/clerk index by PIN, grantor, grantee (online where the county offers it) or in person at the county office10
Cook County Clerk - Recordings Division
- Address
- 118 N. Clark St., Room 120, Chicago, IL 6060211
- Phone
- (312) 603-5656 (County Clerk main)3
- Hours
- 9 am to 5 pm; last customer accepted at 4:45 pm12
Disagree with the value? Appeals
- Appealing a value
- First with the Assessor (township filing windows), then the Cook County Board of Review (online at appeals.cookcountyboardofreview.com), then the state Property Tax Appeal Board13
The Illinois rules:
- Appealing a value
- File a complaint with the county board of review; then appeal to the state Property Tax Appeal Board within 30 days of the board of review's written decision (or tax objection in circuit court)14
- State appeal body
- Illinois Property Tax Appeal Board (PTAB), ptab.illinois.gov15
Who does what in Illinois
- Who sets values
- Cook and St. Clair: county assessor; 17 commission counties: supervisor of assessments; other 83 counties: township or multi-township assessors, supervised by the chief county assessment officer14
- Who collects the tax
- County treasurer serves as county collector: prepares/mails tax bills, collects payments, administers tax lien sales14
Liens on a property
- Liens at the county
- State/federal tax liens, mechanic's liens and UCC fixture-related filings recorded with the county recorder/clerk (Cook example: tax liens $38, mechanic's lien $64)9
More about Cook County property records
- Tax redemption
- Delinquent tax redemption handled by the County Clerk3
Questions people ask
How do I find who owns a property in Cook County?
Search the parcel records of the Cook County Assessor's Office by owner name, address or parcel number: cookcountypropertyinfo.com4
Where do I look up a Cook County property tax bill?
The Cook County Treasurer's Office has the tax bill search: cookcountytreasurer.com5
How much is a certified copy of a deed in Cook County?
Certified copy, paper $55; certified digital PDF file $65. Copies come from the Cook County Clerk - Recordings Division.7
Official copies vs look-alike sites
A certified copy comes only from the office that holds the record; reports and "research copies" sold by commercial sites are not issued by any Cook County office. How to tell an official record source from a paid look-alike.
Sources
Every fact above links to the official page it comes from; all 15 sources were checked on November 4, 2026. Fees and rules change, so check the office's own page before you pay or travel.
- Assessor (agency page)Cook County Government
- Treasurer (agency page)Cook County Government
- County Clerk (agency page)Cook County Government
- Cook County Property Tax PortalCook County (joint property tax portal)
- Cook County Treasurer's Office homeCook County Treasurer's Office
- Search RecordingsCook County Clerk's Office
- Recording FeesCook County Clerk's Office
- Recording FAQsCook County Clerk's Office
- Recording FeesCook County Clerk's Office
- Search RecordingsCook County Clerk's Office
- Hours and LocationsCook County Clerk's Office
- RecordingsCook County Clerk's Office
- Cook County Board of Review homeCook County Board of Review
- PTAX-1004 The Illinois Property Tax System: A general guide to the local property tax cycleIllinois Department of Revenue
- Property Tax Appeal Board homeIllinois Property Tax Appeal Board