Chimney Repair in Boulder - Inspected on Camera, Then Priced in Writing

Fast, Reliable Chimney Repair Across Boulder

Chimney repair in Boulder typically runs between $350 and $2,800 depending on whether you need mortar joints repointed, flashing replaced, or a flue relined. Most jobs we handle in Boulder get booked for scheduled service, not rushed same-day work, because a real repair takes preparation and the right materials. If you live in Mapleton Hill, Whittier, or up toward Wonderland Lake, call us at (830) 251-4560 and we’ll give you a written price before any tools come off the truck. Hank Delano leads our team, and every repair we make is covered by a 365-Day Done Right Promise in writing.

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Why Flint Chimney Sweep Is Boulder’s Preferred Chimney Repair Company

Boulder homeowners call us because we put the price in writing before work starts. No estimate games, no “we found something else once we got up there” surprises. That habit matters here specifically. A lot of Boulder’s older housing stock, especially the pre-1950s frame bungalows and brick foursquares around Whittier and Mapleton Hill, was built with flues that were never designed for modern burning habits. When we show up, we bring a camera and a written scope, not a brush and a best guess.

Every technician is background-checked and uniformed. You’ll know exactly who is walking through your door in Boulder, whether you’re off Baseline Road, up in Wonderland Hills, or near Chautauqua. Our response time to most Boulder neighborhoods is within a few days for non-emergency repair work, and a live person answers the phone around the clock if you need to schedule or ask a question. That’s the Garrison Standard, the same code every Garrison Partners location follows since 2002.

Reviews from Boulder customers come back to the same two things: the price on the invoice matched the price on the quote, and the repair held up through the next winter. We don’t lean on review counts or star ratings. We lean on the written guarantee that comes with every job and the photo report we hand over when the work is done.

Chimney Repair Companies in Boulder

Chimney repair companies in Boulder handle two overlapping jobs: structural masonry work on the chimney itself, and functional repairs inside the flue system that carries smoke and combustion gases out of the house. The right company for your home depends on which problem you actually have. If water is getting in through cracked crown mortar or damaged flashing, you need masonry repair. If smoke is backing up or the liner is compromised, you need flue work. Our Chimney Repair team does both, and we spec materials from Olympia Chimney and Copperfield by job, not by margin.

Masonry Repointing and Tuckpointing

Older Boulder chimneys built with lime mortar need repointing when the joints erode. A standard repointing job on a typical Boulder chimney runs $600 to $1,800. Tuckpointing, which keeps the original brick face and replaces only the worn mortar lines, is the right call for historic homes in Mapleton Hill where original brick is worth preserving.

Flashing and Crown Repair

Flashing repair in Boulder runs $450 to $1,200, and crown rebuilds run $800 to $2,200. These are the two most common entry points for water in Boulder chimneys. When freeze-thaw cycles hit, water trapped in the crown or flashing expands and spalls the brick face. We include flashing and crown inspection on every repair visit, not just the sweep.

Chimney Masonry Repair in Boulder

Chimney masonry repair in Boulder is the work most sweep-only companies skip. Spalling brick, cracked crowns, and raked-out mortar joints are structural problems, not cleaning problems. On a Whittier neighborhood bungalow off Pine Street, our tech pulled the damper and found the firebox mortar joints raked out a half-inch and the smoke chamber corbels glazed with second-degree creosote feeding a flue liner that stopped short of the crown. We ran a Level 2 camera inspection, ground out the failing joints, wrapped the liner termination with an Olympia Chimney top plate, and rebuilt the crown with a proper overhang and drip edge. The photo report showed the homeowner before-and-after on every joint we touched.

Spalling Brick Repair

Spalled brick in Boulder usually runs $500 to $1,600 to repair, depending on how many bricks need replacing and how high up they sit. Most spalling in Boulder starts because the crown or flashing failed first. We fix the water entry point, not just the visible brick damage.

Chimney Rebuilding

Full chimney rebuilding above the roofline runs $2,500 to $7,000 in Boulder. That’s the high end of repair work, and it’s only necessary when the structure has lost too much masonry to hold. Before we quote a rebuild, we show you the camera footage. If repointing and crown repair will hold, we say so plainly – no reason to spend more than the chimney actually needs.

Trusted Brands We Service in Boulder

We work with professional-grade chimney materials from DuraFlex, Olympia Chimney, and Copperfield, and we keep common parts stocked for Boulder jobs so scheduling doesn’t stall waiting on a shipment. DuraFlex liners are our go-to for relines in older Boulder flues that were built for coal and never transitioned to modern appliances. Olympia Chimney top plates, caps, and termination kits handle the crown and chase work we do regularly on Boulder homes. Copperfield supplies the flashing and masonry accessories we use for weather-sealing around the chimney base. When we spec a brand for your Boulder repair, we’ll name it on the written quote – you can verify exactly what you’re paying for.

Common Chimney Repair Problems We See in Boulder Homes

• Rubble-lined or unlined coal-era flues. Boulder homes built before 1950, especially around Mapleton Hill and Whittier, often have flues sized for coal. A modern wood insert or gas appliance burning in them under-drafts and loads the smoke chamber with creosote and condensation the original mason never anticipated. That mismatch, not the weather, is what most Boulder chimney repair calls actually turn on.
• Glazed third-degree creosote that brushing won’t remove. Rubble- or coal-era masonry flues in older central Boulder homes get swept by brush alone, leaving glazed third-degree creosote on the smoke chamber that only a rotary or chemical treatment removes. If your Boulder chimney has been swept repeatedly and still smells or under-drafts, the creosote is likely beyond brush removal.
• Spalling brick and cracked crowns that go unnoticed. Freeze-thaw cycles open up small cracks fast in Boulder, especially on exposed chimney shoulders. The damage usually starts because the flashing and crown were never included in a cheap sweep-only visit. By the time the brick face is spalling, the water entry has been happening for at least a season.
• Undersized liners for retrofitted appliances. A flue liner that is undersized for a retrofitted insert or high-efficiency appliance still drafts poorly, so crews chase draft problems with caps and dampers instead of measuring the liner first. We measure the liner, not just the cap.

Pricing for Chimney Repair in Boulder, CO

We Also Serve Cities Near Boulder

Flint Chimney Sweep serves homeowners across the Front Range. Our Denver office coordinates dispatch and scheduling, while our crews work locally in Boulder. You’ll find us repairing chimneys in Denver, Greeley, Fort Collins, and Colorado Springs too. If you’re outside Boulder and need Chimney Repair in Boulder or surrounding areas, call (830) 251-4560 and we’ll get you scheduled.

FAQs About Chimney Repair in Boulder