Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Trusted Chimney Repair for Berkeley Homeowners
Most chimney problems don’t announce themselves. A hairline crack in the crown, a rusted damper, flashing that’s quietly pulling away from the roofline. By the time water stains show up on your ceiling, the repair is no longer small. We inspect, we show you exactly what we found, and we fix it with materials built for the job. Noel Cafferty leads our crew, and we’ve spent years working on Berkeley chimneys, from the Craftsman bungalows in Elmwood to the mid-century splits in the hills. We work with DuraFlex, HeatShield, Gelco, and Copperfield, because professional-grade components are the difference between a repair that lasts ten years and one that needs redoing in three. Call (855) 382-9432 if you suspect something’s wrong, or if you just want a straight answer about what’s actually going on up there.
Chimney Cap Installation
Chimney cap installation is the single most cost-effective way to protect an uncapped flue from water, animals, and downdrafts. In Berkeley, where fog and winter rain hit rooflines for months at a time, an open flue is a standing invitation for rust, mortar deterioration, and nesting birds. We install custom-fit caps from Copperfield and Gelco, sized correctly for your flue and rated for the coastal air. Cost typically runs $250 to $550 depending on the flue size and cap material.
When a New Cap Makes Sense
If your chimney was built without a cap, or the old one rusted through, rain is getting into places you can’t see. The moisture attacks the liner, the damper, and the smoke shelf, and the damage compounds every season. A properly installed cap also keeps raccoons and squirrels out, which is a very real problem in Berkeley’s tree-heavy neighborhoods.
What We Check Before Installing
Before we put a cap on, we look at the flue’s cross-section and the crown’s condition. A cap on a cracked crown still lets water in at the edges. We’ll tell you if the crown needs attention first, so you’re not paying for a cap that can’t do its job.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Chimney Cap Replacement
Chimney cap replacement becomes necessary when the existing cap is rusted, bent, or blown off entirely, usually after several seasons of marine-layer weather. A cap that’s no longer seated correctly allows the exact problems it was meant to prevent. We replace old or damaged units with Copperfield and Gelco caps, and we check the mounting hardware, because a cap is only as good as its connection to the flue. Replacement typically costs $250 to $550, including the new cap and installation.
Signs the Old Cap Is Failing
Visible rust, a tilted cap, or water staining around the flue tile are all signs the cap has stopped doing its job. You might also hear birds or see nesting material near the top of the chimney. None of these are harmless. Each one means water or debris is getting in.
Replacement vs. Repair
Some caps can be reseated if the only problem is loose hardware. But if the metal itself is compromised, replacement is almost always the better call. We’ll show you the condition of the old cap, explain what failed, and give you an honest recommendation based on what we see, not what’s easier for us to sell.
Chimney Liner Installation
Chimney liner installation is what protects the masonry around your flue from heat, corrosion, and acidic combustion byproducts. In many older Berkeley homes, the original clay tile liner is cracked or missing sections, and that’s a fire risk as much as a structural one. We install DuraFlex flexible liner systems for flues with offsets or unusual configurations, because the material conforms to what’s actually there instead of forcing the chimney to fit the product. Liner work typically starts around $1,800 and runs higher depending on flue length and access.
DuraFlex for Complex Flues
Older chimneys in Berkeley frequently have bends, narrow clearances, or mortar joints that have shifted over decades. A rigid liner can’t follow those turns without breaking. DuraFlex does. It’s a professional-grade system, and it’s what we use when the flue’s geometry demands flexibility.
Repair Before Replacement
A cracked liner doesn’t always mean a full liner replacement. In some cases, HeatShield resurfacing restores the flue’s integrity at a fraction of the cost. We inspect first, camera if needed, and we only recommend replacement when the liner is beyond saving. You’ll see the evidence before you sign off on anything.
Chimney Flashing Repair
Chimney flashing repair addresses the metal transition where the chimney meets the roofline, which is the most common source of chimney-related roof leaks in Berkeley. Flashing that’s lifted, rusted, or improperly installed lets water run behind siding and into the attic. We replace and reseal flashings using proper step flashing and counter-flashing, tied into the existing roofline rather than just caulked over. Flashing repair generally runs $350 to $900 depending on the chimney’s size and roof pitch.
Why Caulk Isn’t the Fix
Many leaks around chimneys get “fixed” with a tube of silicone, and it fails within a year or two. The real fix is in the metalwork: how the flashing is layered, how it’s seated, and whether water can shed away from the chimney. We don’t caulk over problems. We rebuild the transition properly.
Berkeley Roofs and Flashing Wear
Roof pitch matters here. Steeper Berkeley roofs put different stress on flashing than flat ones in the flats. We inspect the existing flashing, look at how the previous installer handled the pitch, and correct it where it’s wrong. The goal is a seal that works for decades, not just this winter.
Chimney Crown Repair
Chimney crown repair fixes the concrete or mortar cap that sits on top of the chimney and keeps water out of the masonry below. Berkeley’s wet winters are hard on crowns, especially older ones built with plain mortar instead of a proper concrete mix. When a crown cracks, water seeps into the chimney structure and eventually into your walls and ceilings. We rebuild or reseal crowns to slope water away from the flue, and the work typically runs $400 to $1,200 depending on damage and access.
What a Failing Crown Looks Like
Hairline cracks, crumbling edges, and spalling pieces at the top of the chimney are all signs the crown is no longer shedding water. You may also see efflorescence, the white mineral staining on the brick below. None of this stops on its own. It just spreads further each wet season.
Preventing Liner and Masonry Damage
The crown is the first line of defense for everything below it. A crown that’s failing accelerates damage to the liner, the damper, and the masonry body of the chimney. Repairing the crown early is one of the cheapest ways to avoid a much larger masonry repair later.
Chimney Repair Companies
Chimney repair companies in Berkeley vary widely in what they actually do, and many are sweeping-only operations that subcontract out the repair work. That’s the wrong setup for a problem that requires seeing the same structure over time. We handle the sweep, the inspection, and the structural repair ourselves, so the person diagnosing the problem is the same person accountable for fixing it. Repair work with us starts around $250 for minor component work and scales up from there depending on what the inspection reveals, so you know how much Chimney Repair costs before we begin.
Why One Crew Matters
When a sweep reveals a cracked flue or a failing crown, you shouldn’t have to explain the problem to a different company on a different schedule. We cover sweeping, dryer vent cleaning, and repair under one roof. The findings from your inspection become our repair checklist, not someone else’s discovery call.
Questions to Ask Any Company
Ask what brands they install, whether they do structural repair in-house, and whether they’ll show you photos of what they found. If they can’t answer those three, keep looking. We can. We’ll show you the condition of your chimney before we quote you a single dollar.
Chimney Masonry Repair
Chimney masonry repair addresses the brick, mortar, and structural concrete that make up the chimney itself, not just the components inside it. Berkeley’s older homes, especially those built before 1950, often have mortar joints that have softened after decades of fog and rain. We do tuckpointing, brick replacement, and rebuilds where needed, sourcing materials that match the existing masonry. Masonry repair starts around $600 and goes up based on the scope of the damage and the accessibility of the work area.
Signs the Masonry Is Failing
Crumbling mortar joints, loose bricks, or a chimney that leans even slightly are all signs the structure itself is compromised. In Berkeley’s hills, ground movement adds to the stress. A leaning chimney is never a cosmetic issue. It’s a structural one, and it needs to be assessed by someone who understands what they’re looking at.
What We Can’t Skip
Masonry repair on a chimney is not a weekend project, and we won’t pretend it is. The work requires proper staging, proper mortar matching, and an understanding of how the chimney carries its own weight against the house. We’d rather tell you the truth about what’s involved than give you a cheap patch that becomes a bigger problem next year.
Brands We Service
DuraFlex is our liner of choice for Flex installations, and it’s the same product line used by professional chimney contractors around the Bay Area. We’ve installed it in flues with offsets, bends, and clearances that would defeat a rigid liner, and we trust its performance in continuous-use wood-burning applications. DuraFlex is built for corrosive flue gases, and it’s what we recommend when a liner must be replaced rather than repaired.
HeatShield is the system we offer when a liner is cracked but not structurally destroyed, and it restores the flue’s integrity at a fraction of the cost of full replacement. We’re trained in the HeatShield process, which means we can resurface a deteriorated flue from inside the chimney in many cases, preserving your brick and your budget. Copperfield and Gelco cover the components most people don’t think about until they fail: caps, dampers, and ventilation terminations that keep weather and animals out while keeping the draft moving correctly.
Whether you have one of these brands already installed or you need a recommendation for what should go in next, we can help. We stock common replacement parts and we don’t push a product that isn’t right for your chimney.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Water stains on the ceiling or walls near the chimney. This usually means flashing failure or a cracked crown, and the water has already traveled through the structure. The longer it sits, the more damage it does to drywall, framing, and the chimney itself.
- A smokey smell when the fireplace isn’t in use. That’s often a sign of downdraft, a blocked flue, or a damaged liner, and it means combustion gases aren’t venting the way they should. You shouldn’t smell last night’s fire the next morning.
- Crumbling mortar or spalling brick at the top of the chimney. Masonry that’s visibly degrading has been absorbing water for a long time. It will not stabilize on its own, and it gets more expensive to repair with each season it’s left open to the weather.
- Rust on the damper or visible damage to the cap. Rust means moisture has been sitting inside the chimney for months if not longer. The damper is often the first component to show it, and by the time you see rust, the cap or crown has already failed.
- Animals, nesting material, or strange noises from the flue. Raccoons and birds find uncapped chimneys irresistible, especially in Berkeley neighborhoods with mature trees. Nesting material inside a flue is a serious fire hazard, and animals can do real damage to dampers and liners.
Our Process, Step by Step
- 1
Inspection and camera review. We start with a visual inspection of the firebox, damper, flue, crown, cap, and flashing. If we see anything that warrants a closer look, we run a camera through the flue and show you the footage, so there’s no mystery about what’s actually going on.
- 2
Straight diagnosis. We tell you what we found, what needs to be fixed now, what can wait, and what doesn’t need fixing at all. That last part matters. We don’t sell repairs that aren’t needed, and we never will.
- 3
Written estimate with clear scope. You get the price before we start, based on what we actually saw. No unbudgeted surprises. No “while we’re up there” upselling. If we find something new during the work, we stop, show you, and get your go-ahead.
- 4
Repair with professional-grade materials. We use the brands we’ve named throughout this page: DuraFlex, HeatShield, Copperfield, Gelco. The work is done properly, with the right tools and the right materials, not whatever was cheapest at the supply yard.
- 5
Final review and after-action notes. When we’re done, we walk you through what was repaired, what we used, and what to keep an eye on going forward. You’ll have a clear picture of your chimney’s condition, which is more than most homeowners ever get.
How Much Does Chimney Repair Cost in Berkeley?
A typical chimney cap installation or replacement in Berkeley runs $250 to $550. Flashing repair sits at $350 to $900, and crown repair usually falls between $400 and $1,200 depending on how much of the crown must be rebuilt. Liner work starts around $1,800 for a full DuraFlex installation, while HeatShield resurfacing can reduce that significantly if your existing liner is a candidate. Masonry repair starts at roughly $600 and goes up from there, because it’s the most variable repair on the chimney.
What moves the price? Access is a big one. A chimney on a steep Berkeley hillside roof costs more to reach safely than one on a single-story rancher. The extent of the damage matters too, and so does the material. A cap from Copperfield costs more than a generic hardware store cap, and there’s a reason for that. You’re paying for material that won’t rust through in five years.
How to avoid overpaying: get a camera inspection before you commit to liner work, ask what brands are being installed, and be suspicious of any company that quotes a full rebuild over the phone without seeing the chimney. Our estimates are free and based on what we actually find. Call (855) 382-9432 and we’ll tell you what we see.
Our Service Area Near Berkeley
We serve Berkeley and the surrounding East Bay, including Oakland, Richmond, Albany, El Cerrito, Piedmont, Alameda, and San Leandro. If you’re in Walnut Creek or San Pablo, we can usually make the trip work too. Scheduling is based on our inspection route, so call (855) 382-9432 and we’ll give you the soonest available window for your neighborhood.
Serving Berkeley, CA – Our Local Coverage Area
We’re based in the Berkeley area and know this community well, and we also provide Chimney Repair in Albany. Use the map below to see our service coverage – if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Chimney Repair in Berkeley
Chimney repair is any structural or component work that restores the safety and function of your chimney, from cap replacement and flashing repair to liner installation and full masonry rebuilds. It’s distinct from a sweep, which addresses creosote buildup, but the two often go together. We handle both, which means your inspection findings lead directly to repair work on the same schedule.
Most component repairs, like cap installation or flashing work, are done in a single visit of a few hours. Masonry work and full liner replacement can take a day or two depending on access and the condition of the existing structure. We’ll give you a realistic timeline before we start, and we’ll stick to it.
Costs range from about $250 for a minor component job to several thousand for a full liner replacement or significant masonry restoration. The only way to know where your chimney falls is to look at it. Our estimates are free, and we show you the condition of the chimney before we quote a price. Call (855) 382-9432 to schedule an inspection.
Yes. We install DuraFlex liners and we’re trained in HeatShield resurfacing, which means we can repair a cracked flue without full liner replacement when the structure allows it. If you already have one of these systems installed, we can inspect and service it. We also work with Copperfield and Gelco caps and dampers.
Some conditions are urgent: a leaning chimney, an active flue fire, or water actively running into the house. Others, like a cracked crown that hasn’t yet caused interior damage, can be scheduled in the normal course of things. If you’re unsure which category you’re in, call us and describe what you’re seeing. We’ll tell you if it needs immediate attention or if it can wait a week.
We stand behind the work we do and the materials we install, and we’ll walk through what’s covered before we start. The specific warranty depends on the repair and the brand of components used. What we won’t do is give you vague assurances and then disappear. You’ll know exactly what’s covered and for how long.
Clear the area around the fireplace if you can, and let us know if there are any access issues, like a locked gate or a dog in the yard. We bring our own staging and tools. You don’t need to do anything beyond making sure we can reach the chimney and the fireplace safely.
Schedule Your Chimney Repair Service in Berkeley Today
If you’ve noticed any of the signs above, or if you just want a straight answer about your chimney’s condition, call (855) 382-9432. We’ll schedule a free estimate, show you what we find, and give you an honest recommendation. Noel Cafferty and the crew handle it all, sweep to repair, with materials we’re proud to put our name on, including our Chimney Repair in El Cerrito.
Written by Noel Cafferty, Owner at Chimney Sweep Berkeley, serving Berkeley, CA.