Chimney Crown Repair in Wellesley
The slab on top is the roof of the chimney — and half of them here have never been sealed
★
4.9 · 75 Wellesley reviews
✓
CSIA & NFPA certified
✓
$49 fee credits toward repairs
✓
Same-day PDF report
Pricing, before you commit
Crown or chase cover — which do you have?
Pre-war Wellesley houses have a poured crown. The teardown rebuilds have a metal chase cover instead. Different part, different fix, different price. The calculator sorts it before anyone comes out.
Estimate preview
Live
chimney-crown-repair
Measured on site
Inspection (credited)
−$49
Typical job
Patch, rebuild, or chase cover
Final price quoted in writing before any work.
The craft, done properly
CHIMNEY CROWN REPAIR IN WELLESLEY, MA
The crown is the sloped slab across the top of the masonry. It is not decorative and it is not the cap — the cap keeps rain out of the flue, the crown keeps water out of the brickwork underneath. When it cracks, water runs straight down inside the chimney where nobody can see it.
The detail that decides whether a crown lasts is the drip edge: the crown has to overhang the brick so water leaves the edge instead of running back down the face. Every crown Brown Chimney rebuilds gets a minimum one-inch overhang and a crown coat seal, with no exceptions. Surface cracks on a structurally sound crown are patched and sealed; once the slab has failed structurally, it comes off and gets rebuilt.
In Wellesley the split runs by decade. A pre-war Colonial has a poured crown that has taken ninety freeze cycles and, in most cases, has never been sealed. A post-2000 rebuild on the same street has a framed chase with a metal cover on top instead — a different part with a different failure. Pricing is measured on site either way, and the $49 inspection tells you which conversation you are in. Full method sits on our crown repair service page.
Crown rebuilt with a one-inch drip edge and crown coat seal
The Work
A cracked crown is a leak you cannot see yet.
Almost every crown we replace failed the same way: it was poured flush with the brick. No overhang means every drop that lands on it runs down the face of the chimney instead of falling clear. Ninety New England winters of that, and the water is inside the masonry rather than on it.
Which is the reason crown work rarely arrives alone. Water that has been running down the face has usually opened the joints below it, so repointing is often quoted alongside, and sealing the masonry comes after both — never before. If the slab is sound and only the surface has crazed, sealing it is preventive work and costs a fraction of a rebuild.
Crown work runs out of both Massachusetts offices — Burlington covers the north side, and the state page shows the full area. Everything we do locally is listed on the Wellesley page.
When to book
Signs a Wellesley chimney crown needs attention.
A crown fails from the top down, which means it is invisible from the ground until the damage has already reached the brick. These are what our technicians photograph most often from the roof here.
Number two is the one homeowners never spot, because nothing looks broken. A crown poured flush with the brick was built wrong rather than worn out, and it will keep failing until the overhang is there. Leaks that start from the inside out almost always start here.
"
Most crowns we replace failed because someone poured them flush with the brick. That inch of overhang is the whole point — without it, the crown is just a lid.
Company Owner
The Brown Chimney Standard · Wellesley
Your Wellesley crew, based on Grove Street.
Grove Street, not Boston
Our office sits on Grove St, a few minutes from Wellesley Square. The Square, the Hills, and the Farms are each a short drive from the door — nobody is routing a truck out from the city to reach you.
4.9 from 75 Wellesley reviews
Rated across the town's villages — Wellesley Square, Wellesley Hills, the Farms, and out toward Cliff Estates and Babson Park.
One street, two centuries
A third of Wellesley predates 1939, and much of what looks new was built on a torn-down lot. A hundred-year-old flue and a factory-built firebox can sit two doors apart. Both are ordinary work here.
Written, photo-backed report
Every job ends with a PDF. Great for insurance, great for selling the home, great for peace of mind.
What to expect
What happens during a Wellesley crown repair.
The crown is measured at its widest points on site, because the price comes from its actual size rather than from a guess off the driveway. Most jobs are a single day. Access is the variable in this town — steep pre-war rooflines and heavy tree cover slow the setup, and where a ladder will not reach safely the lift is a $1,249 add-on, photographed before it is quoted.
01
Crown measurement
The crown is measured at its widest points on the roof. Price follows that measurement, so the number is built from your chimney rather than a rounded guess.
.jpg)
02
Repair or rebuild call
Surface cracks on a structurally sound crown get patched. Structural failure gets a full rebuild — you get the honest read and both prices in writing before choosing.
03
Crack prep & patching
Cracks are cleaned, opened where needed, and prepped for bonding. Loose material comes off so the patch keys into sound concrete instead of sitting on debris.
04
Crown coat & drip edge
Crown coat sealant is applied across the full surface, and the drip edge is repaired or rebuilt to a one-inch minimum overhang — no exceptions. That overhang is what throws water clear of the brick below.
05
Photo report & warranty
The finished crown is photographed from the roof and added to your report, with the 1-year workmanship warranty on all labor performed in writing.
For transparency
What crown repair does not cover.
Chase covers. The post-teardown half of Wellesley has a metal cover over a framed chase rather than a poured crown. That is fabricated stainless, measured on site, and it is a different job with its own price.
The joints below. Water coming off a failed crown usually opens the mortar underneath it. Repointing is quoted as its own line, never folded into the crown price.
Rotten framing found under an old chase cover. On the newer builds this only becomes visible once the cover is off, and the scope is confirmed and re-quoted at that point rather than assumed up front.
FAQs
Common questions about chimney crown repair in Wellesley
My chimney is from the 1920s and the crown has never been touched. Is that a problem?
Usually it means the crown is due, not that it has failed. Ninety winters of freeze-thaw will craze the surface of any slab. If it is structurally sound, cleaning and sealing it is preventive work. If it has cracked through, it comes off and gets rebuilt with a proper drip edge. The inspection tells you which, in writing.
What is a drip edge and why does it keep coming up?
It is the overhang — the crown projecting past the face of the brick so water falls clear instead of running down the chimney. Every crown we rebuild gets at least one inch of it. Most of the failed crowns we take off in Wellesley never had any.
Our house was rebuilt in 2008 and there is metal on top, not concrete. What is that?
A chase cover. Post-teardown builds in Wellesley usually have a framed chase with a fabricated cover instead of a masonry crown. It is the part that fails on those chimneys, and it fails from above where nobody looks. Same conversation, different component and different price.
Can the crown be sealed instead of rebuilt?
If it is structurally intact, yes — surface cleaning and a full crown coat application. That is preventive maintenance and it is the cheaper end of this service by a wide margin. Once the slab has failed structurally, sealing it only hides the problem for a season.
Do you need to be on the roof to quote this?
Yes. A crown cannot be assessed from the ground, and it has to be measured at its widest points for the price to mean anything. That is part of the $49 visit, and the fee credits toward the work if you go ahead.
Related Services
Often booked alongside this in Wellesley.
A safer hearth — for 2026
Quoted in writing. Then the work.
Every Brown Chimney job in Wellesley is measured on site, priced in writing, and started only after you approve it. Structural labor carries a 1-year workmanship warranty. Call 781-547-7784 or book online.