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 Montclair
A chimney sweep in Montclair typically costs $189 – $329 for a standard cleaning with a Level 1 inspection, and most homes we service in the 91763 zip code are booked within 5 – 7 business days. If you live off Ramona Avenue or near the Montclair Plaza, you’re in a neighborhood we know well. These mid-century tract homes all share the same aging clay flue tiles, and that’s exactly what we look for when we arrive.
We come to Montclair from our shop in Fontana, so we’re not a distant franchise dispatching someone who’s never seen a Pomona Valley fireplace. We know the stucco tract homes built along the 10 freeway corridor, we know how Santa Ana winds beat up a masonry crown, and we know that most of these chimneys haven’t been properly inspected in 40 years. Call (833) 805-3229 and we’ll get you on the schedule before the next cold snap.
Why Ashwood Chimney Sweep Is Montclair’s Preferred Chimney Sweep Company
Norm Castillo started Ashwood because he kept walking into homes where a previous sweep had either missed a cracked flue or scared the homeowner into a liner replacement they didn’t need. That’s the problem we solve in Montclair more than any other: honest assessment backed by video evidence.
When we inspect a Montclair chimney, you see the camera feed. Not a summary. Not a recommendation pulled from a template. You watch the inside of your flue on the screen, and we point out exactly what’s sound and what’s failing. If the clay tiles are cracked behind the damper on a 1962 tract home near Kingsley Street, you’ll see the crack. If the flue is actually fine and the last company was pushing a liner you don’t need, you’ll see that too.
For Montclair specifically, that transparency matters. These homes were built in a rush during the 1950s and 60s boom, and the fireplaces weren’t always constructed to the standard we’d expect today. Homeowners deserve to know what’s actually wrong before writing a check. That’s why a large share of our Montclair work comes from referrals, neighbor telling neighbor about a sweep company that showed them the footage instead of handing them a scare quote.
We also stock the materials Montclair’s older chimneys actually need. DuraFlex liner components, HeatShield restoration product, and replacement caps from Olympia Chimney and Copperfield. We don’t order parts after we diagnose, we bring them on the truck. That means repairs on Montclair homes don’t stretch across multiple visits.
Styles & brands we work with
Chimney Sweep Certified in Montclair
Chimney Sweep Certified work in Montclair means a cleaning performed to the standard the National Fire Protection Association sets for solid-fuel burning appliances, paired with the inspection level your flue actually needs. For most Montclair homes, that’s a Level 1 inspection when the system hasn’t changed since the last cleaning, or a Level 2 if you’ve added an insert, bought the house recently, or we find something during the sweep that warrants a closer camera look.
A standard sweep in Montclair runs $189 – $249. We remove creosote and soot from the firebox, smoke shelf, damper, and full flue length, then vacuum everything so there’s no dust drifting through your living room. The inspection is included at that price, not billed as an add-on.
Most Montclair homes with a wood-burning fireplace need this annually if they burn more than a cord per season. Given how cold those Pomona Valley winter nights get, a lot of our customers in the 91763 area burn two to three cords a year. If you’re using the fireplace for actual heat, not just holiday ambiance, once a year is not negotiable. Creosote builds up fast when you’re running it every night.
Camera inspection before any repair recommendation
Every Montclair sweep includes a camera pass through the flue. This is the only way to see what’s happening behind the damper, and in these 60-year-old chimneys it’s where the real problems hide. We won’t recommend a liner, a crown rebuild, or a HeatShield restoration without showing you the footage that warrants it.
If we find third-degree creosote glazing the walls of your flue, you’ll see the shiny, tar-like layer on screen. If we find a cracked tile at the roofline, same thing. The recommendation follows the evidence, never the other way around.
Creosote removal for homes that actually burn wood
Montclair’s older homes often have shallow fireboxes and flues with rough clay tile surfaces, and both conditions accelerate creosote accumulation. Hard, baked-on creosote left from last season won’t come off with a brush alone; it requires rotary loop tools that can scar through the glaze without damaging the flue liner beneath.
We carry the right tooling for exactly this, because we know what a Pomona Valley winter puts through these old flues. If your last sweep just ran a brush and left the hard glaze behind, you got half the service.
Gas Fireplace Cleaning in Montclair
Gas Fireplace Cleaning in Montclair focuses on the glass, burner, pilot assembly, and venting path, and it costs $149 – $229 depending on whether you have a direct-vent insert or a gas log set inside the original masonry firebox. Many Montclair homeowners converted their wood-burning fireplaces to gas years ago and assume that means no maintenance is needed. That assumption is exactly how soot film builds up on the glass and how burners develop uneven flame patterns that waste gas.
We see plenty of gas log sets in Montclair sitting in fireboxes that still have a decade of creosote deposits on the smoke shelf from before the conversion. If the chimney wasn’t swept before the gas log set went in, all that old fuel is still up there. A gas log fire still produces water vapor and acidic byproducts that interact with leftover creosote, and that’s a combination worth cleaning.
What we clean on a gas fireplace in Montclair
We pull the glass, remove the logs or burner assembly, clean each component, check for burner rust or pitting, and clear any debris from the pilot and thermocouple. We also inspect the venting path, because a partially blocked direct-vent termination on a wall facing a Montclair Santa Ana can fill your living room with carbon monoxide on a bad day.
The gas line itself we do not touch beyond a visual check. If there’s a supply issue, we’ll tell you to call your utility or a plumber. We’re not going to convert a gas appliance or modify wiring, and we won’t fake expertise we don’t have.
Inserts added decades later
A lot of Montclair’s mid-century fireplaces got inserts installed in the 1980s and 90s, and many of those installs were never properly sized for the original terracotta flue. The result is poor draft, soot streaking on the front of the insert, and occasional pilot outage on windy days. During our cleaning we check the connection between the insert and the original flue and flag anything that looks like a handyman special rather than a proper installation.
Trusted Brands We Service in Montclair
We service and supply what Montclair homes already have, and we repair with the same materials professional contractors specify. That includes DuraFlex flexible liner systems for when a liner replacement is genuinely necessary, and HeatShield for restoring deteriorating flue tiles without tearing out the chimney. Components come from Olympia Chimney and Copperfield, two names that don’t sell through retail shelves. Our dryer vent work uses Famco ventilation hardware, manufactured fittings rather than tape-and-foil improvisations. When you call us from Montclair, you’re getting trade-grade materials the same day, not a quote for parts we’ll “order later.”
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Montclair Homes
- Cracked clay flue tiles from six decades of heating and cooling cycles. The terracotta liners in 1950s and 60s Montclair tract chimneys expand and contract with every fire, and over 60 years that creates hairline cracks that widen into gaps. Creosote seeps into those gaps, and that’s how chimney fires start inside walls.
- Deteriorating mortar crowns on roofs exposed to full Pomona Valley sun. Montclair’s hot, dry summers bake the crown mortar until it crumbles, then Santa Ana winds erode whatever’s left. A failing crown lets water into the brick, and wet brick plus freeze-thaw cycles means spalling and eventually a chimney that needs rebuilding, not just sweeping.
- Inserts and caps retrofitted without flue sizing. Decades of handyman upgrades mean a lot of Montclair fireplaces now have gas inserts or rain caps that don’t match the original clay flue dimensions. Poor fit means lazy draft, smoke rollout into the room, and faster creosote accumulation.
- Hardened creosote from fireplaces that sit dormant all summer. Montclair’s summers are long and hot, and a fireplace that goes unused from April to November gives creosote time to bake hard and glaze over. By the time you light the first fire in December, a standard brush won’t cut through it.
Pricing for Chimney Sweep in Montclair, CA
Here’s what Montclair homeowners should expect to pay in 2026. A standard sweep with a Level 1 inspection runs $189 – $249 for a single flue. A Level 2 inspection, which uses a camera to evaluate the full interior of the flue, adds $100 – $150 to that visit. Gas fireplace cleaning runs $149 – $229. Creosote removal that requires rotary tooling because of hardened glaze runs $250 – $350. If we find a cracked liner and recommend HeatShield restoration, plan on $1,800 – $2,800 depending on the flue length and access.
These are the numbers for Montclair specifically. Homes in Upland or La Verne with newer construction might come in lower on liner work, but Montclair’s mid-century flues tend to need more attention once we’re inside. Call (833) 805-3229 for a free estimate. We quote a flat price before we start, and the number on the quote is the number on the invoice.
We Also Serve Cities Near Montclair
Our Chimney Sweep team regularly routes through Claremont, Ontario, Upland, and La Verne. If you’re in one of those cities and need the same camera-verified, no-upsell service we bring to Montclair, we’ll schedule you the same week in most cases. The drive from Fontana is short, and we group runs so travel time doesn’t inflate your price.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair 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 Montclair
Yes, absolutely. A fireplace that sits unused still has a flue exposed to Montclair’s summer heat and winter rain, and clay tiles from the 1960s crack over time whether you burn wood or not. The bigger risk is actually the water and debris that collect in an unused flue, plus animals. We pull dead birds and squirrel nests out of Montclair flues every month. Even if you burn once a year, you need to know what’s in that chimney before that one fire. Call (833) 805-3229 and we’ll camera the flue and tell you exactly what’s there.
A Level 1 inspection covers the readily accessible portions of the chimney, which is what we include with every standard sweep. A Level 2 adds a camera scan of the full flue interior and is required when you buy a home, change the appliance, or after a chimney fire. A Level 3 is invasive, meaning we’re opening up walls or removing masonry, and it’s only done when a Level 2 reveals damage that can’t be evaluated from the flue side. Most Montclair homes only need Level 1 or Level 2.
Third-degree creosote looks like a shiny, tar-like glaze baked onto the flue walls, usually black and hard to the touch. It’s concentrated fuel, and it’s what burns in the chimney fires that take down houses. You can’t see it from the firebox opening. The only reliable way to identify it is with a camera inspection of the full flue length, which is why we run a camera on every Montclair sweep. If you’ve burned unseasoned wood or had smoky fires for years, it’s worth scheduling a look before next winter.
Yes. Gas fireplaces produce soot film on the glass, dust accumulation on the burner, and mineral buildup on the pilot assembly, all of which reduce efficiency and can cause safety shutoff problems. If your gas insert vents into the original masonry chimney, the old creosote from the wood-burning days is still in that flue unless someone swept it out before the conversion. A gas fireplace cleaning in Montclair runs $149 – $229, and it’s a service we do every week.
Look for crumbling mortar at the top of the chimney, pieces of cement in the rain gutter or on the roof, or water staining on the ceiling near the fireplace. Montclair’s hot summers bake the crown until it cracks, and once water gets under it, the damage moves down through the brick. If you see white staining on the exterior brick, that’s efflorescence from water moving through the masonry, and it means the crown has already failed. We repair crowns and can quote it the same day as your sweep.
Ashwood handles the whole flue. We sweep it, we camera it, and if it needs repair we do the work with HeatShield, DuraFlex, and materials sourced from Copperfield and Olympia Chimney. One crew, one call, one honest answer. Call Norm’s team at (833) 805-3229 for a free estimate, or book through our Montclair service page to see what we can do for your chimney this season.
Written by Norm Castillo, Owner at Ashwood Chimney Sweep, serving Montclair and the Pomona Valley since 2008.