Basic
$245 – $880 each
Leaking perimeter resealed with roof-grade sealant, damaged gasket and weatherstripping replaced, flashing checked, water-tested

Roofer or skylight pro repair of an existing skylight (reseal, replace gasket or weatherstripping, repair flashing or frame, fix leak); not replacement.
Repair Skylight in Chicago, Illinois typically costs $288 to $1,035 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Chicago are 19.0% higher than the national average for repair skylight.
National average: $250 – $900 each
$245 – $880 each
Leaking perimeter resealed with roof-grade sealant, damaged gasket and weatherstripping replaced, flashing checked, water-tested
$288 – $1,035 each
Step and head flashing repaired and resealed, new gaskets and weatherstripping, surrounding shingles reset, water-tested
$360 – $1,294 each
Flashing repaired around the curb with self-adhered membrane, new gaskets, frame sealed, interior well checked, water-tested
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $120 – $433 | each |
| Labor | labor | $114 – $410 | each |
| Supplies & Other | supplies | $32 – $116 | each |
| Equipment & Disposal | equipment | $21 – $77 | each |
Skylight unit lifted off a roof curb during replacement with sheeting laid on the shingles
Photo: Smtzzz · CC BY-SA 4.0 · Source
Find a pro to do thisLabor costs in Chicago run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local repair skylight contractors in Chicago for personalized quotes based on your specific project.