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 Sierra Madre
A chimney sweep in Sierra Madre typically costs $189 – $289 for a standard fireplace cleaning, and $229 – $349 when the flue needs hand-brushing due to glazed creosote or fragile mortar. Older foothill homes here rarely need just a quick brush. They need someone who knows the difference between normal soot and a clay-tile liner that’s starting to spall. Our crews work in Sierra Madre weekly, from the canyon side of town up to the 91024 and 91025 zip codes, and we quote flat prices before we touch a ladder. Call (833) 467-7685 for a free estimate.
Why Ontario Chimney Is Sierra Madre’s Preferred Chimney Sweep Company
We keep coming back to Sierra Madre because the chimneys here are different from what we see in Arcadia or Monrovia. The tree canopy changes everything. Oak leaves, pine needles, and fine canyon dust get into caps and screens in ways you don’t see in flatter, less-wooded neighborhoods. A lot of the work on this page is local knowledge, not technique.
When we sweep a 1930s bungalow off Baldwin Avenue or a hillside place near Bailey Canyon, we already know what to look for: unlined flues, eroded mortar joints, and old dampers that haven’t sealed right in decades. Homeowners tell us they appreciate that we explain what we’re seeing as we go, not after a sales pitch. It builds trust, and around here, trust is how you keep customers.
Since we’re running crews from Ontario, we schedule Sierra Madre jobs in dedicated blocks. That means we’re usually in the neighborhood within a few days of a call, and we bring everything we need on the truck so there’s no second trip for parts or tools.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Chimney Services in Sierra Madre
Chimney services in Sierra Madre start with a Level 1 inspection when the fireplace is open and accessible, and move to a Level 2 inspection when a home has changed hands, an insert was installed, or there’s been a chimney fire. In older foothill homes, the Level 2 is often the smarter call because it includes a camera run through the flue. You get actual video of what’s inside, not a technician’s word for it.
Annual Sweep and Fireplace Cleaning
Even if you only burn a fire on cool winter evenings, an annual sweep clears the soot and creosote before it hardens. In Sierra Madre’s dry climate, creosote can sit in the flue for months and then become a fire risk when Santa Ana winds push embers around. A standard sweep here runs $189 – $289 depending on flue size and access.

Creosote and Soot Removal
First-degree creosote brushes off. Third-degree is a dense, tar-like glaze that often requires chemical treatment or hand scraping. We see both across Sierra Madre, often in the same chimney. Homes off Sierra Madre Blvd with mature oaks around them tend to run cooler fires that produce more creosote buildup than the homeowners realize.

Chimney Sweep Certified in Sierra Madre
Chimney sweep certified work in Sierra Madre means the technician knows what a 1940s clay-tile flue can and can’t take. A rotary brush on loose mortar joints does damage. So we hand-brush older masonry chimneys when the inspection shows eroded joints, especially in the foothill homes where canyon moisture has been working on the brick for eighty years.
Hand-Brushing for Older Masonry
Many Sierra Madre chimneys were built before stainless steel liners were code. The flue is either unlined or lined with clay tiles that crack under heat stress and time. Hand-brushing in these cases is slower but safer. It removes soot without dislodging mortar that’s already failing.
Camera-Verified Inspections
We show you what the camera shows us. If we find glaze, cracks, or debris, you’ll see the footage before anyone recommends a liner or a repair. No video, no upsell. That’s the standard here, and it should be the standard everywhere.
Trusted Brands We Service in Sierra Madre
Sierra Madre homeowners with mid-century inserts, older prefab fireplaces, or recently relined flues have one thing in common: they want professional-grade components, not whatever’s on the shelf at a big-box store. We work with DuraFlex liner systems for the relining jobs that call for flexibility through offset flues, HeatShield ceramic resurfacing when a full liner replacement would be overkill, and components from Copperfield and Gelco for caps, dampers, and chase covers. We stock common parts on the truck so most Sierra Madre jobs are finished in one visit.
Common Chimney Sweep Problems We See in Sierra Madre Homes
- Debris-clogged caps and screens. Oak leaves and pine needles from the foothill canopy pack into caps and screens, causing sluggish draft and smoke that rolls back into the living room. This is the single most common call we get in the 91024 zip code.
- Spalling mortar in unlined flues. Homes built in the 1920s through the 1950s often have clay-tile or unlined flues where the mortar joints are turning to sand. A rotary brush can accelerate the damage, so we hand-brush and then camera-check the joints.
- Slow creosote buildup from occasional fires. Sierra Madre’s mild winters mean many fireplaces get used once a week, not every night. The creosote builds gradually and unnoticed, then hardens into a glaze that’s more expensive to remove in the fall.
- Mid-century inserts with unknown liner conditions. Homes that got fireplace inserts installed in the 1960s or 1970s often have liners that were never upgraded to match the new appliance. We check for that specifically on Level 2 inspections.
See the difference
Before
After
Before
After
Before
AfterPricing for Chimney Sweep in Sierra Madre, CA
A standard annual sweep in Sierra Madre runs $189 – $289. When we encounter third-degree glazed creosote, the cost moves to $249 – $349 because it takes hand scraping, chemical treatment, or both, and that’s time-consuming work. A Level 2 camera inspection adds $99 – $149 to the sweep. If you’re buying a 1930s bungalow or a foothill home with an older chimney, we typically recommend the Level 2 from the start. You get the full picture, and it’s cheaper than finding out about a cracked flue after closing. Every quote is flat-price and given before we begin. Call (833) 467-7685 for an exact number for your chimney.
We Also Serve Cities Near Sierra Madre
Our Chimney Sweep crews work throughout the San Gabriel foothills. If you’re in Arcadia, East Pasadena, Mayflower Village, or Monrovia, you’re within our regular service area, and we schedule those jobs alongside our Chimney Sweep in Sierra Madre routes so appointments stay close together and response stays quick.
Serving Sierra Madre, CA - Our Local Coverage Area
We’re based in the Sierra Madre 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 Sierra Madre
Yes, a 1940s chimney in Sierra Madre usually needs hand-brushing instead of rotary cleaning because the clay-tile flue and mortar joints are often already fragile. We assess the mortar condition first, then choose the method. If the joints are spalling, a rotary brush can knock loose material and create a false impression that the flue is cracked. Hand-brushing is slower but preserves what’s there. Call (833) 467-7685 and we’ll walk you through what your chimney likely has before we even book the visit.
Once a year is still the right schedule. The fires you do burn produce creosote that doesn’t go away on its own, and Sierra Madre’s dry air lets it sit in the flue for months and harden. By the time fall arrives or Santa Ana winds kick up, that creosote is a real fire risk even if you haven’t burned in months. An annual sweep is the cheapest way to avoid a third-degree glaze removal. Call (833) 467-7685 to get on the schedule before burning season.
First-degree creosote is a fine, sooty dust that brushes off with a basic sweep. Third-degree is a hard, shiny, tar-like glaze that bonds to the flue walls and often requires chemical treatment and hand scraping to remove. It matters in Sierra Madre because the occasional-fire pattern here produces slow, layered buildup that can progress from first-degree to third-degree without anyone noticing. Third-degree creosote is also the most flammable form, which is a serious concern in a wildfire-prone foothill environment.
Always. We run a camera through the flue on every Level 2 inspection, and we show you the footage before we discuss any repair or liner recommendation. If we find cracked mortar, glaze, or debris, you’ll see it on the screen. Nothing gets recommended on our word alone. That’s how we operate across Sierra Madre, and it’s the only way a chimney company should work.
Yes, we service inserts from the mid-century era as well as more recent installs that use DuraFlex liner systems or HeatShield ceramic resurfacing. If your insert is original to a 1960s or 1970s install, we’ll check whether the liner was ever upgraded to match the appliance, because many weren’t. We carry DuraFlex and HeatShield components on the truck, so Sierra Madre jobs don’t usually need a second visit.
Call Ontario Chimney for Your Sierra Madre Chimney Sweep
If your Sierra Madre chimney hasn’t been looked at in a year or more, or if you’re closing on an older foothill home and want to know what you’re buying, call us at (833) 467-7685. We’ll give you a flat quote, schedule the sweep, and show you the camera evidence before we recommend a single repair. Serving Sierra Madre, Arcadia, East Pasadena, Mayflower Village, and Monrovia with professional-grade chimney care.
Written by Al Vickers, Owner at Ontario Chimney, serving Sierra Madre and the San Gabriel foothills.