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 Monrovia
Chimney sweeping in Monrovia costs between $189 and $289 for a standard fireplace with a clean flue, and $289 to $489 when heavy creosote or a cap packed with oak litter is involved. We run crews into Monrovia every week, from the 1910s bungalows off Myrtle to the foothill ranches above Foothill Boulevard, and we know the difference between a flue that just needs brushing and one that’s lost its mortar crown. If you’ve been putting off the sweep because you don’t want the upsell call about a liner, call us at (855) 382-6159 and tell us about your chimney. We don’t recommend anything we can’t show you on camera.
Why Corona Chimney Sweep Is Monrovia’s Preferred Chimney Sweep Company
Monrovia has two kinds of chimneys: the original clay-tile and unlined flues in homes built before 1930, and the mid-century ranches and foothill inserts that newer residents run harder than the old stacks were designed for. We work on both, and the repair side is ours, not a referral. When a sweep-only crew finds spalling in a smoke chamber near Old Town, they hand you a number. We explain what we’re seeing, run a camera so you can see it too, and quote the fix from the same visit.
The homes above Foothill Boulevard get our full cap and spark screen check every time, because deodar cedar needles and oak leaves don’t need a year to choke a screen. During Santa Ana events, an uncapped flue is an ember path, and more than a few Monrovia homeowners have found that out from the fire inspector before they found it from us. Call (855) 382-6159 and we’ll tell you what you’re actually looking at before we touch a brush.
We’re a Chimney Sweep company that handles the full scope: sweeping, liner work, masonry repair, caps, dampers, and dryer vent fire-hazard removal. One crew, one phone call, and no handoff gap.
Styles & brands we work with





Chimney Services in Monrovia
Chimney Services in Monrovia start with the reality that most of the pre-war stock near Old Town and along the historic districts was built before the code required a liner at all. A sweep here isn’t just brushing soot; it’s checking whether the clay tile is still intact, whether the mortar crown is shedding water into the smoke chamber, and whether anything has nested in the flue since last winter. A standard sweep with creosote removal in Monrovia runs $189 to $289 for an open fireplace, and $289 to $489 when we’re removing glazed creosote from a wood stove or insert that ran hot and low through the winter.
Level 1 and Level 2 Inspections
A Level 1 is the visual and camera pass we do alongside every sweep. For real estate transactions, changes to the venting system, or a chimney that’s taken a hit from wind or earthquake, Monrovia homeowners need a Level 2, which includes attic and crawlspace access and runs according to what we find. Most buyers in the 91016 and 91017 ZIP codes ask for a Level 2 before close, and we schedule those directly.

Creosote Removal and Soot Work
First-degree creosote brushes out in a single pass. Third-degree glaze doesn’t, and that’s where the honest conversation happens: we photograph it, explain what it means for fire risk, and tell you plainly whether mechanical removal or a different approach makes sense. We don’t scare-sell, but we also won’t call a tarred flue clean just to keep the invoice small.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Chimney Sweep Certified in Monrovia
Chimney Sweep Certified work in Monrovia means the technician knows what an unlined 1923 Craftsman flue looks like on camera, which is not the same thing as knowing how to run a brush. We’re trained in combustion venting, which is why we also clean dryer vents as a fire-prevention service, not an add-on. When you book a certified sweep in Monrovia, you get the sweep, the camera pass, and the cap check, and you see the feed in real time.
Annual Sweep and Fireplace Cleaning
An annual sweep in Monrovia’s dry summers isn’t overkill. The Santa Ana winds accelerate creosote drying, and dry creosote is the most ignitable form. A fireplace that saw fifteen fires last winter should get brushed before the first fire of the next one, with a second look at the crown and cap while we’re on the roof.
The Camera-First Rule
We don’t recommend a liner, a rebuild, or a single HeatShield resurfacing job without camera footage the homeowner watches with us. If you can’t see the joint gap or the cracked clay tile, you shouldn’t be writing a check for the repair. This rule exists because Monrovia’s older flues attract exactly the kind of upselling that gives this trade a bad name.
Trusted Brands We Service in Monrovia
We install and service the same product lines stocked by professional chimney contractors, not the big-box substitutes. For Monrovia flues we work with DuraFlex stainless flexible liner systems when an older clay-tile flue needs code-compliant relining or a retrofit vent, and HeatShield resurfacing when the damage is mortar-joint deterioration or hairline cracking rather than full structural failure. We also stock Olympia Chimney caps and spark screens, which matters in the foothills where cap replacement is a seasonal event, not a once-a-decade repair. Parts for these brands are ordered direct and typically reach Monrovia jobs within the same window as the scheduling call.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Monrovia Homes
- Unlined or failing clay-tile flues in the pre-war stock: Homes near Old Town and along Myrtle were often built with no liner at all, and the clay-tile ones added later are now cracked from decades of heating and cooling. The gap between tiles is where heat reaches the framing, and it’s also where the upsell happens when nobody shows you the camera feed.
- Oak-littered and deodar-clogged caps above Foothill Boulevard: The canopy in the foothill neighborhoods drops enough material in one season to pack a spark screen solid. When the draft reverses under Santa Ana wind, smoke backs into the house and the homeowner assumes the damper is the problem when it’s a choked cap.
- Spalling mortar in smoke chambers: The 1910s and 1920s fireplaces around 91016 were built with softer mortar than modern mixes, and years of hot fires degrade it. On camera it looks like sand coming off the walls, and that’s a repair we can usually handle with HeatShield instead of a full rebuild.
- Modern inserts vented into original chimneys: A 1920s flue serving a modern wood-burning insert runs hotter than the original fireplace ever did, and the clay tile wasn’t rated for it. The fix is a properly sized DuraFlex liner, but only after the camera confirms the tile gap that makes it necessary.
Pricing for Chimney Sweep in Monrovia, CA
A straightforward sweep of an open fireplace in Monrovia sits between $189 and $289. Wood stoves and inserts run $289 to $489 because the creosote is usually heavier and the flue access is tighter. Level 1 inspections are included with any sweep. A Level 2 adds cost based on the attic and crawlspace scope, typically starting around $150 over the sweep price, but we quote it flat before the visit so you know the number walking in. Relining and HeatShield work are quoted after the camera pass, never before, and we break the line items out so you see materials, labor, and access separately. Call (855) 382-6159 for a free estimate, and we’ll tell you the Monrovia-specific range for your setup before we schedule.
We Also Serve Cities Near Monrovia
Our crews cover the San Gabriel Valley alongside our full Chimney Sweep in Monrovia service area. You’ll find us in Mayflower Village, Duarte, Bradbury, and Arcadia, running the same camera-first rule and the same repair scope. If you’re a few blocks outside the Monrovia line, call (855) 382-6159 and we’ll route you to the right crew.
Serving Monrovia, CA — Our Local Coverage Area
We’re based in the Monrovia 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 Monrovia
No. A clay-tile flue that’s intact, properly mortared, and sized to the appliance can keep working for years. What changes that is a camera pass that shows cracked tiles, joint gaps, or spalling. If we see those, we’ll show you the footage and give you the relining or HeatShield option with a straight explanation of what each costs and why it matters. You don’t pay for a liner on someone’s say-so. Call (855) 382-6159 for a camera inspection before you decide anything.
The deodar cedars and coast live oaks that grow thick above Foothill Boulevard drop needles, leaves, and small twigs year-round, and the steep lots mean the wind pushes debris into screens instead of across them. A cap in Monrovia’s foothill blocks can be nearly packed solid inside one dry season, which is why we check and clear the cap on every foothill visit.
An uncapped flue is an open vertical path into the house, and during Santa Ana red-flag conditions, embers can travel far enough to enter it. Fire inspectors in Monrovia’s Wildland-Urban Interface zones look for uncapped chimneys and clogged spark arrestors specifically because that’s a preventable ignition point. We install and service Olympia Chimney caps and spark screens on every foothill job where the existing cap is damaged or missing.
Yes, because the main risks in an unused Monrovia chimney aren’t creosote. It’s water entering through a cracked mortar crown, birds nesting in the flue, or a cap that’s rusted through and left the top open. An annual look catches those before they become structural repairs. If you burn even ten fires a year, you also have creosote buildup doing exactly what creosote does.
First-degree creosote is flaky and dry, and a standard brush removes it. Third-degree creosote is a hardened, tar-like glaze that forms when fires burn hot and the flue doesn’t draft well, and no brush will move it. At that point we explain your options honestly, which may be more involved than a sweep. The earlier you catch it, the cheaper the fix, and that’s the actual reason to sweep before the glaze sets.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Monrovia and the San Gabriel Valley.