Basic
$222 – $801 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 Washington, District of Columbia typically costs $262 to $942 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for repair skylight.
National average: $250 – $900 each
$222 – $801 each
Leaking perimeter resealed with roof-grade sealant, damaged gasket and weatherstripping replaced, flashing checked, water-tested
$262 – $942 each
Step and head flashing repaired and resealed, new gaskets and weatherstripping, surrounding shingles reset, water-tested
$327 – $1,177 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 | $118 – $425 | each |
| Labor | labor | $92 – $328 | each |
| Supplies & Other | supplies | $32 – $113 | each |
| Equipment & Disposal | equipment | $21 – $76 | 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 thisConnect with local repair skylight contractors in Washington for personalized quotes based on your specific project.