Registered address: 3941 N OCTAVIA AVE, Chicago, IL 60634
1772606 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Cook County, Illinois

Browse 2,907 verified licensed trade contractors registered across Cook County, Illinois (including Chicago, Evanston, Schaumburg, Arlington Heights). Every record is compiled from Illinois Department of Public Health & Department of Financial and Professional Regulation (IL IDPH / IDFPR) public credential files under Illinois Plumbing License Law (225 ILCS 320), Illinois Roofing Industry Licensing Act (225 ILCS 335), and Municipal Contractor Registration Ordinances.
Official State Authority: Illinois Department of Public Health & Department of Financial and Professional Regulation (IL IDPH / IDFPR) Official Registry · County Seat: Chicago
Select a city or town in Cook County to view local permit guidance and registered licensed trade records:
2907 licensed trade records · Cook County, IL
ChangeShaded areas mark approximate postal or city locations, not premises or service areas. Circle sizes are illustrative, not postal boundaries. Some records share the same area. Private addresses are excluded.
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Registered address: 3941 N OCTAVIA AVE, Chicago, IL 60634
1772606 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 503 W 45TH PL, Chicago, IL 60609
1142549 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 5614 N CAMPBELL AVE, Chicago, IL 60659
1300525 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 11410 S HALE AVE 1ST, Chicago, IL 60643
83209 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 3979 S DREXEL BLVD, Chicago, IL 60653
1335741 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 36 S WABASH AVE, Chicago, IL 60603
1096400 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 6210 W MONTROSE AVE, Chicago, IL 60634
1548009 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 2925 W 81ST ST 1, Chicago, IL 60652
1974245 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 2911 N CICERO AVE, Chicago, IL 60641
1645445 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 2129 N MOBILE AVE, Chicago, IL 60639
1544260 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 4134 N MASON AVE 1ST, Chicago, IL 60634
51696 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 4134 N MASON AVE 1ST, Chicago, IL 60634
1921879 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 4451 N CENTRAL PARK AVE 3RD, Chicago, IL 60625
1519438 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 6135 S MOZART ST, Chicago, IL 60629
1246689 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 1813 W 87TH ST, Chicago, IL 60620
1300682 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 4248 W MONTROSE AVE, Chicago, IL 60641
1596908 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 2659 N NORDICA AVE 1ST, Chicago, IL 60707
47717 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 2121 N CLYBOURN AVE 1ST, Chicago, IL 60614
37734 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 3922 N ST LOUIS AVE 2ND, Chicago, IL 60618
1883959 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 10742 S AVENUE O 1, Chicago, IL 60617
57143 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 6712 S HALSTED ST, Chicago, IL 60621
1243856 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 1932 N CENTRAL PARK AVE, Chicago, IL 60647
1544917 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 1630 N KEDVALE AVE 1ST, Chicago, IL 60639
1841490 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Registered address: 5401 S LOREL AVE, Chicago, IL 60638
1249188 · Source dated 2026-10-20 · Service area not confirmed. · Verify on IL portal →
Records across Cook County are sourced directly from the Illinois Department of Public Health & Department of Financial and Professional Regulation (IL IDPH / IDFPR). Illinois Plumbing License Law (225 ILCS 320), Illinois Roofing Industry Licensing Act (225 ILCS 335), and Municipal Contractor Registration Ordinances
Cook County coverage includes Chicago, Evanston, Schaumburg, Arlington Heights, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, with County Seat in Chicago.
Yes. Under Illinois licensing authority regulations, licensed trade contractors typically must maintain active Commercial General Liability insurance, appropriate surety bonds, and state Workers' Compensation coverage before pulling municipal permits.
HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.
You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.