home › cost guides › Flashing repair
Flashing repair cost
Flashing repairs run $200–$800 for vents and valleys; chimney re-flashing is the outlier at $600–$1,600 because it involves masonry work. Most 'roof leaks' that aren't missing shingles are flashing failures.
Price at a glance
| Item | Typical |
|---|---|
| Job price range | $200–$800 |
| Common variants | Chimney re-flashing: $600–$1,600 class |
| Labor share | 2–4 hours |
| Permit | No |
| Duration | Half day |
National job price data from the ee.ltd cost database, 2026 edition.
What drives the price
- Chimney vs valley vs vent/skylight
- Step vs continuous flashing rebuild
- Masonry condition (tuckpointing add-on)
- Roof slope access
DIY verdict
Sealant top-ups yes; metal re-flashing is craft work
Other roofing job costs
Get free quotes for roofing work
Compare licensed local pros — typical prices on this page are national averages; your local quotes are the real numbers.
Before you hire
- Avoid contractor scams
- Roofing cost guide
- Ask for license + insurance certificates in writing