
A nearly-new house whose chimney already leaks?
- A build from the last 10–15 years with a stain near the chimney
- Roofing tar smeared where the chimney meets the roof: someone has been here
- Leaks from day one in heavy rain, not something that developed
Why it happens in Austin: Building at boom speed has a signature: details that need patience (flashing steps cut into mortar, crickets behind wide chases, sealed counterflashing) are exactly what gets rushed. On newer Austin builds we look at the roofline first, because a ten-year-old chimney should not leak, and when it does the cause is usually how it met the roof rather than how it has weathered.
What fixes it, and what it costs
On a young chimney the cause is almost always how it met the roof, not how it has weathered: flashing shortcuts from a build done at boom pace. The fix is doing that junction properly once: step-and-counter flashing cut into the joint, a cricket behind wide chases, tar removed rather than refreshed. Done right it is done for decades.
- Reseal sound counter-flashing
- $300–$500
- Full step and counter-flashing replacement
- $600–$1,000

























