Quick Answer: Chimney Flashing Repair Cost Chimney flashing repair in Virginia typically costs $300 to $800, depending on the extent of damage, flashing material, and roof type. Flashing failures are the leading cause of chimney-related water leaks, and ignoring them can lead to $5,000 or more in structural water damage to your roof decking, attic framing, and interior walls. A professional chimney inspection — which we offer for just $129 — can catch flashing problems early, before they turn into expensive repairs. Key Takeaways Chimney flashing repair costs $300–$800 in Northern Virginia, with a full flashing replacement running $800–$1,500+ depending…








