Covering 3 ZIP codes
Chimney Crown Repair in Somerville, MA
On most older Massachusetts chimneys the top is a thin mortar wash, not a crown. It cracked years ago, and it is where the water has been getting in ever since.
- Covering 3 Somerville ZIP codes
- Free to use, no obligation
Leave the building and call from outside — that is an emergency services call, not a service call. A blocked or failed flue is one of the ways carbon monoxide reaches a living space, and headaches that clear when you leave the house point the same way. If you have had a chimney fire — a roaring sound, dense smoke, or debris on the roof — do not light another fire until the flue has been inspected.
Call about crown repair in Somerville
(844) 785-4066Free to use, and there is nothing to pay us. You are never committed to going ahead.
What happens when you call
- You describe the problem and where you are.
- We put you in touch with a licensed contractor covering that area.
- They arrange the visit and agree the price with you directly.
Worth having to hand
- Roughly how old the system is
- What it is doing — or not doing
- Your ZIP code
What to ask for on Chimney Crown Repair in Somerville
- Crack repair and flexible coating
- Full recasting with a drip edge
- Expansion joint at the flue tile
- Usually paired with a cap
- Licensed & insured We match you with contractors who hold current licensing and cover.
- Know what to ask Every page says what decides the price, so you can judge a quote.
- Free to use We never charge you. Compare quotes and walk away at any point.
- Same-day reply Inquiries answered the day they arrive, usually within a couple of hours.
How it works
Three steps, no obligation at any of them.
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1
Call and tell us what is wrong
Describe the problem and give us your ZIP code. We match you with a chimney company covering your area — there is nothing to fill in and nothing to pay us.
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2
A local contractor gets in touch
A local chimney company contacts you to discuss the problem and arrange a visit in Somerville. What they charge to attend or diagnose is theirs to set, so agree it with them up front.
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3
You decide
Book the work, wait a season, or get a second quote. There is no obligation to go ahead with the contractor we introduce you to, and nothing to pay us either way.
What these repairs look like
Illustrative examples of the work described here. More in our disclaimer.
Chimney Crown Repair in Somerville
Two things shape chimney work in Somerville: the age of the building stock, and what the weather does to masonry that has been standing in it for decades. The chimney is rarely the thing that changed — what changed is usually what vents into it.
About 61% of homes in Somerville were built before 1940 — old enough to have been built with radiators and no ductwork at all; 70% of them heat with natural gas, so oversized flues left behind by an earlier fuel are the recurring finding here. (US Census ACS 2022)
The crown is rarely the only work
By the time a crown is visibly cracked it has been admitting water for years, and that water has been somewhere. Recasting without checking the courses beneath is how a chimney gets repaired twice.
Do the cap at the same time
Same access, same visit, and an uncapped flue undermines new crown work anyway. Fitting both together costs far less than two trips up a staging tower.
Slate roofs complicate access
Getting to a crown on a steep slate roof means staging rather than a ladder, because walking slate breaks it. That is a genuine cost difference and it is why quotes on similar chimneys can differ so much.
Why a wash fails and a crown does not
A mortar wash is mortar troweled over the top of the brick, roughly sloped and finishing flush with the outer face. It has no reinforcement, no expansion joint where it meets the flue tile, and no overhang. Clay tile and mortar expand at different rates, so it cracks around the tile within a decade — and with no overhang, water that gets through runs straight down the brick face rather than dripping clear.
A proper crown is cast, at least two inches thick at its thinnest, reinforced, sloped away from the flue, with a bond break at the tile and a projection past the brick with a drip edge underneath.
When a coating suffices
Hairline cracks in a crown that is otherwise correctly shaped can be bridged with a flexible crown coating. It accommodates movement in a way rigid mortar cannot, it is inexpensive, and it buys years.
When it must be recast
Cracks wide enough for a coin, missing sections, a wash with no overhang at all, or break-up around the tile. Coating over that seals water in.
The full guide: everything about chimney crown repair — how the job works, what decides the price, and the questions worth asking before you book — is on the service page. This page covers what is different about it in Somerville.
Areas we cover in Somerville
We work throughout Somerville, including the areas around Arlington, Assembly Square, Cambridge / North Cambridge and Cammeray Galley.
Chimney Crown Repair in Somerville — FAQs
My Somerville house is pre-war — what does that change?
About 61% of housing in Somerville predates 1940, and chimneys of that age behave differently. Many were built before flue tile was standard, so the flue is brick and mortar joints with no lining at all. Most have also changed fuel at least once without being resized. And the masonry itself is softer than anything made now, which means modern hard mortar does more harm than good on it. A camera survey is the only way to know which of those apply.
Nothing vents into our chimney any more. Does it still matter?
Less urgently, but yes. An uncapped disused flue collects rain, leaves and nesting for years with nobody noticing, and water sitting inside it damages the structure from within. If the chimney is genuinely finished with, removing it above the roofline and roofing over is a legitimate option. If anything at all still vents into it — a water heater in particular — then it matters as much as it ever did.
What chimney problem is most common around Somerville?
Shared stacks where one unit's appliance change leaves a neighbor's flue wrongly sized. That pattern is regional rather than universal — boston, Cambridge, Somerville, Brookline and the inner ring. It is worth knowing before you book, because it tells you what someone should be looking hardest at here.
How much does chimney work cost in Somerville?
It depends entirely on what the chimney turns out to need, and the spread is wide. Sweeping, an inspection, a cap or a damper repair are the inexpensive end and are usually done in one visit. Relining, rebuilding above the roofline and full crown recasting are the expensive end. Nobody can quote it honestly over the phone, which is why the inspection comes first. The contractor you are introduced to sets their own prices and agrees them with you directly.
Do you cover all of Somerville?
Yes — all 3 ZIP codes in Somerville and the surrounding towns. Tell us where you are and we put you in touch with a company that covers it.
How quickly can someone get to me in Somerville?
For a routine inspection or sweep, usually within a few days, and sooner outside the fall rush. Late spring through early fall is the quiet season and the easiest time to book. If you have had a chimney fire, or you can smell gas or have a carbon monoxide alarm sounding, that is not a scheduling question — leave the building and call emergency services from outside.
How do I know the crown is cracked?
Rarely from the ground. It needs a look from the roof or a drone. Indirect signs are water inside near the chimney, staining down the brick, or efflorescence on the exterior.
Can I seal it myself?
A flexible coating on a sound crown is within reach of a careful homeowner comfortable at height. Cast repairs are not, and on a slate roof the access risk alone argues against it.
Neighborhoods we cover in Somerville
Chimney work across Somerville and the areas around it.
- Arlington
- Assembly Square
- Cambridge / North Cambridge
- Cammeray Galley
- Charlestown
- Flat Rock Creek
- Medford / South Medford
- Northbridge Plaza
- Spring Hill / Central
- Teele Square
- Ten Hills
- Tufts University / Medford
- Tunks Park
- Union Square
- Willoughby Leisure Centre
Other chimney services in Somerville
- Chimney Inspection
- Chimney Sweeping
- Chimney Relining
- Chimney Masonry Repair
- Chimney Cap Installation
- Chimney Flashing Repair
- Chimney Waterproofing
- Chimney Damper Repair
- Fireplace Repair
- Chase Cover Replacement
- Smoke Chamber Parging
- Historic Chimney Restoration
- Coastal Chimney Protection