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.
Fast, Reliable Chimney Sweep Across Claremont
A chimney sweep in Claremont typically costs $189 – $289 for a standard fireplace with a clean flue, and $249 – $389 when heavy creosote or glazing has built up. Most Claremont homes with pre-1940 brick fireplaces need a camera inspection before sweeping, because so many of those original stacks were built without a proper liner. If you live in the Village, near the Colleges, or anywhere in the 91711, call (855) 382-6159 and we’ll give you a straight answer on what your chimney needs before any brush goes up the flue.
Why Corona Chimney Sweep Is Claremont’s Preferred Chimney Sweep Company
We work Claremont streets every week during the November-through-February burn season, and by now we know the inventory. The Craftsman bungalows off Indian Hill Boulevard, the Spanish Colonial Revivals along tree-lined streets near the Claremont Colleges, the 1960s ranch homes north of Base Line Road, and everything in between. That local familiarity matters because a 1921 bungalow firebox and a 1978 tract fireplace have completely different failure modes, and the sweep should know which one they’re looking at before the first tool comes off the truck.
What sets us apart in Claremont is that we repair what we find. Most sweep crews in this area are just that – sweep crews. They brush the flue, take the check, and hand you a referral card if the camera shows a cracked liner or a crumbling crown. Our team is different. Chimney repair is a core service here, not a referral. Nolan Ferris built Corona Chimney Sweep around the idea that the person who finds the problem should be the person who fixes it, because the handoff between sweeper and repair subcontractor is where Claremont homeowners get lost for months.
We also carry the materials local chimneys actually need. DuraFlex flexible liners for the unlined 1920s stacks, HeatShield resurfacing for qualifying flues with deteriorated mortar joints, and Olympia Chimney caps and dampers for the spalling-brick crowns we see all over the Village. When we quote a repair, the parts are on our truck or at our supplier within a day, not back-ordered from a box-store shelf.
Styles & brands we work with





Chimney Maintenance in Claremont
Chimney Maintenance in Claremont means something different than it does in a newer housing tract. In the College-adjacent Craftsman blocks, our sweeps routinely open a firebox and find a single-wythe brick chimney with no clay tile liner at all – a 1910s-20s build legacy that forces a liner evaluation before we ever put a brush to it. Maintenance here starts with knowing what you’re working with, and a camera is the only way to know that for certain. For older Claremont chimneys, we pair every maintenance visit with a Level 1 or Level 2 inspection, not as an upsell but because the condition of the flue changes the entire maintenance plan.
For homeowners with a fireplace they use regularly, we recommend an annual sweep timed before burn season. For those who burn only occasionally, every two years is usually enough. But in Claremont specifically, the hot, dry summer and fall dry out mortar crowns and wood framing around the stack, so even an unused fireplace can develop water intrusion between seasons. If you haven’t touched the fireplace since last winter, it’s worth a look and a sweep before you light the first fire of the year.
Annual Sweeps for Older Brick Chimneys
Claremont’s pre-1940 fireplaces accumulate creosote faster than most because homeowners burn hardwood from the San Gabriel foothills, and the hot-burning hardwood dries out over the long rainless season and burns hot, producing stubborn glaze. The fix is a mid-season or pre-season sweep using rotary rods and a camera, not just a wire brush. We document every sweep with photos, so you know what the flue actually looked like.
Creosote and Soot Removal for Busy Fireplaces
When a Claremont family burns three or four nights a week from Thanksgiving through February, creosote can reach a quarter-inch of glaze in a single season. That’s a second-degree creosote job, and it needs chemical treatment plus mechanical removal. We do the whole job in a single visit, and we’ll tell you if the buildup is beyond what a routine sweep should handle.
Chimney Sweep Services in Claremont
Chimney Sweep Services in Claremont cover the full range from a basic soot-and-ash removal to a full creosote remediation on a flue that hasn’t been touched in a decade. What the job involves depends on your chimney’s construction, how often you burn, and what kind of fuel you use. The standard price range for a sweep in Claremont is $189 – $289 for an accessible fireplace with a clean flue, and $249 – $389 for a flue with heavy buildup or restricted access. We give you a firm number before the work starts, and we document everything with a camera.
On a Spanish Colonial Revival off the tree-lined streets near the Claremont Colleges, our tech found a 1920s stack with a crumbling mortar crown and spalling brick above the flashing; the firebox had been fitted with a gas insert whose draft was pulling against an unlined flue that never had clay tile. We ran a camera the homeowner watched in real time, documented the crown and liner condition frame by frame, and swept the flue as a second-degree creosote job – no rebuild pitched, just a written liner assessment the owner could take to any contractor. The mortar crown was repointed and a properly sized chimney cap went on to keep out the weather.
Fireplace Cleaning for Wood and Gas Units
In Claremont, we clean both wood-burning and gas fireplaces, though the work is different. Wood-burning units need mechanical creosote and soot removal from the firebox, smoke chamber, and flue. Gas units need log removal, burner inspection, and a check of the damper and venting path. If your gas insert is vented into an original clay-tile flue, we’ll check the draft because that’s a common installation that doesn’t always vent the way it should.

Level 1 and Level 2 Inspections
A Level 1 inspection is what we do alongside every sweep: looking at the accessible parts of the chimney, the flue, the damper, and the firebox. A Level 2 inspection goes further, usually with a camera, which is the standard we recommend for any Claremont home with a pre-1940 fireplace or a recent property transfer. If you just bought a Village Craftsman and you don’t know the chimney’s history, a Level 2 before the first burn is the smartest money you’ll spend.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Claremont
We don’t stock big-box substitutes. For Claremont flues, we install and service materials from the same professional lines chimney contractors have used for years: DuraFlex stainless flexible liners for unlined or odd-dimensioned flues, HeatShield resurfacing for deteriorated clay tile that qualifies for repair instead of replacement, and Olympia Chimney caps, dampers, and chimney tops. Gelco parts come up regularly too, especially for older masonry fireplaces that need a specific damper or cleanout door. When a Claremont chimney needs a repair, the right part is usually on our truck or at our supplier the next day.
See the difference
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After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Claremont Homes
Across the 91711, the same problems come up again and again. Here’s what we actually find:
- Unlined single-wythe brick flues from the 1910s-20s. These have no clay tile liner at all, and the brick itself was never designed to carry heat and combustion gases. We won’t sweep one without a camera view first, because the brush can do more harm than good on spalled brick.
- Crumbling mortar crowns and spalling brick above the roofline. Claremont’s long, dry summer season bakes the mortar, and the first winter rain finds its way into the cracks. We see this constantly on Village and College-area homes.
- Gas inserts vented into original wood-burning flues. The draft path changes when you go from wood to gas, and the old clay tile or unlined brick doesn’t always move combustion gases the way it should. These installations need a draft check, not just a sweep.
- Dryer vents caked with lint in laundry rooms near the kitchen. In older Claremont homes, the dryer vent often runs a long path through the wall or under the floor, and the lint buildup is a fire hazard that gets ignored because it’s not in the chimney. We clean dryer vents as a fire-prevention service, same crew, same standards.
Pricing for Chimney Sweep in Claremont, CA
A straightforward chimney sweep in Claremont runs $189 – $289 when the flue is accessible and the creosote is light. A heavy-glaze or second-degree creosote job on a fireplace that’s been used hard through the winter runs $249 – $389. A Level 1 inspection is included with most sweeps; a Level 2 with camera documentation adds $100 – $150 depending on the chimney and access. If we find a liner issue or a water-damaged crown, we’ll give you a written quote and a camera file you can review yourself. No one should be told a 1920s flue needs a $6,000 reline without seeing the footage. Call (855) 382-6159 and we’ll come out and give you an honest number on the spot.
We Also Serve Cities Near Claremont
Our crews run routes through Claremont and the surrounding foothill cities every week during burn season. If you’re in Montclair, La Verne, Upland, or San Antonio Heights, we can usually get to you within a few days of your call. You can learn more about our Chimney Sweep services or see how we cover the wider Claremont area on our city page.
Serving Claremont, CA — Our Local Coverage Area
We’re based in the Claremont area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Chimney Sweep in Claremont
Yes, but we will not put a brush up an unlined flue without a camera inspection first. Unlined single-wythe brick, common in the 1910s-20s Craftsman blocks around the Colleges, can have hidden cracks, loose brick, or mortar joints that a brush will worsen. We run the camera, show you what we see, and only then decide whether a standard sweep is safe or whether a DuraFlex liner or HeatShield resurfacing should come first. That camera evidence is yours either way. Call (855) 382-6159 and we’ll give you the same straight answer we give every Claremont homeowner.
Because the mortar crown takes the full brunt of Claremont’s hot, dry summers and the Santa Ana wind cycles, and a crown from the 1920s or 1930s has been doing that for nearly a century. The long rainless season bakes the mortar until it shrinks and cracks, and then the first winter rain gets in and widens those cracks from the inside. Repointing the crown with the right mortar mix and capping the chimney usually stops the cycle for years. We quote that repair separately from the sweep, and we’ll show you the damage before we touch it.
Fast enough that we recommend a mid-season or pre-season sweep for any Claremont home burning three or more nights a week. Hardwood from the foothill suppliers burns hot and produces a hard glaze that doesn’t brush off easily. A single season of regular use can put a quarter-inch of second-degree creosote on the flue walls. If the fires have been hot and frequent, you’re looking at $249 – $389 for a glaze-removal job rather than the standard $189 – $289 sweep. The difference is the chemical treatment and extra mechanical work, and it’s worth doing before the glaze gets worse.
Yes. The chimney is exposed to winter rain and summer heat even when the fireplace is dark. Cracks in the crown, water pooling around the flashing, and spalling brick all get worse when a chimney goes unused, because no one notices them until the damage is already inside the house. A Level 1 inspection plus a sweep is cheap compared to a rotted ceiling or a cracked flue. We inspect before burn season, after a chimney fire, and any time a Claremont homeowner wants to know what they’re actually working with.
It can be. The original flue was sized for wood, not for a gas insert, and the draft path changes completely when you convert the firebox. A flue that works fine for a hot wood fire can send carbon monoxide back into the room with a cooler gas flame if the venting path isn’t right. We check the draft, run the camera, and measure the flue’s size against the insert’s requirements. If it needs a liner, we’ll tell you why and show you the footage. If it’s fine, we’ll tell you that too, and you won’t pay for a liner you don’t need. Call (855) 382-6159 and we’ll put it on the schedule.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Claremont and the surrounding foothill cities.