How much does it cost to replace roof flashing?
Roof flashing replacement runs $250 for a single chimney or vent flashing, $500 for typical step-flashing on a single wall section, and $1,500+ for full chimney rebuild or skylight reflashing.
Quick price points (2026)
| Scope | Cost | What it includes |
|---|---|---|
| Low | $250 | per flashing job |
| Typical | $500 | per flashing job |
| High | $1,500 | per flashing job |
How to budget for this project
- Get 3 quotes
Get itemized quotes from at least three licensed contractors in your area.
- Adjust for your region
Compare the same scope and account for regional labor and permitting.
- Add 10–15% contingency
Hidden conditions, code upgrades and permit fees can increase the original quote.
- Plan the cash, not the financing
Build the replacement cost into the home's repair plan before the work becomes an emergency.