What's happening
A chimney leak rarely means the whole chimney is failing. In nearly every Quincy and South Shore home we inspect, the water is getting in at a specific, fixable point — and the stain on your ceiling or the damp smell near the firebox is the symptom, not the disease. The key is diagnosing the exact entry point before anyone starts selling you a rebuild.
The short version: diagnose the real cause first — then fix that, not a guess. We start every job with an inspection.
What causes it
A cracked or worn crown
The concrete slab on top of the chimney cracks and sheds water straight into the masonry. The single most common leak source we see.
A missing or rusted cap
With no cap, rain and snow fall directly down the flue. Galvanized caps rust out fast near the coast.
Failed flashing
Where the chimney meets the roof, improperly stepped or caulk-only flashing lets water track behind it on every hard rain.
Unsealed, porous masonry
Old brick and mortar absorb water like a sponge; freeze-thaw then drives it deeper.
Why it matters
Left alone, a small leak becomes a big one. Water rots roof framing and interior finishes, rusts the damper and firebox components, accelerates freeze-thaw spalling of the brick, and can ultimately compromise the structure — turning a few-hundred-dollar repair into a rebuild.
How we fix it
We start with an inspection to confirm the entry point, then fix the actual cause — re-casting a cracked crown, installing a stainless cap, re-flashing the roof line, repointing and waterproofing the masonry. No guesswork, no overselling.
Local, licensed, and inspection-first
Chimney Goat is a family-owned, licensed and insured, CSIA-certified chimney company based in Quincy, MA. We take an inspection-first approach — we look (often with a camera) and show you photos before recommending anything — and we offer same-day service when available plus 24/7 emergency support. It's how we've earned a 5.0★ rating across the South Shore.
Inspection-first
We diagnose the real cause with photos before any work or quote.
Licensed & insured
Massachusetts-licensed, fully insured, CSIA-certified craftsmen.
Local to Quincy
Family-owned and based in Quincy — the South Shore is our home turf.
We fix this across Quincy & the South Shore
We diagnose and repair this problem for homeowners throughout our service area. Pick your town for local detail:
Related chimney problems
See more in our common chimney problems guide, browse real projects, or read the chimney blog.
Why Is My Chimney Leaking? — frequently asked questions
How do I find where my chimney is leaking?
A proper inspection — often with a moisture check and a look at the crown, cap, flashing and masonry — pinpoints the entry. We water-test when needed so we fix the actual source, not a guess.
Can a chimney leak be fixed without a full rebuild?
Almost always, yes. The large majority of leaks are a crown, cap, flashing or sealing issue — all repairable on their own for a fraction of a rebuild.
Why is my chimney leaking only during heavy rain?
Wind-driven rain finds marginal flashing and hairline crown cracks that a light rain doesn't. It points to flashing or crown as the likely culprit.
Is a chimney leak an emergency?
An active leak should be addressed quickly — water damage compounds fast — but it's rarely a same-day emergency unless it's pouring into the home. We offer prompt scheduling and 24/7 emergency support.
Dealing with this right now?
Book a free inspection or send us a few photos. We'll tell you the real cause and a clear, honest fix — Quincy & the South Shore.