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.
Chimney Company in Duarte, CA
Duarte sits at the base of the San Gabriel Mountains, and that foothill position shapes almost every chimney job we do here. The housing stock runs from 1950s ranch homes in the 91010 flats to custom hillside properties toward Bradbury in 91008, and many of those original brick and clay-tile chimneys are now 60 to 70 years old. What we see most in Duarte is wind-driven damage: Santa Ana gusts push palm fronds, eucalyptus debris, and roof grit into chimney caps, while the dry climate bakes creosote into a hard glaze that a basic sweep cannot fully remove. Ashwood Chimney Sweep has served Duarte since 2012. For chimney repair, a sweep, or dryer vent work, call (833) 805-3229.
Why Duarte Homes Are Different
Duarte’s north side runs right up against the wildland-urban interface, and that changes what a chimney needs to do. The foothill wind corridor funnels Santa Ana gusts down from the San Gabriels, carrying embers during red-flag days and loose debris all year. We routinely find palm fronds jammed into caps on the north-side foothill streets after a wind event, and missing spark arrestors are not just a nuisance here, they are a wildfire compliance issue under the city’s ember-zone overlay. The older tract homes in 91010, mostly built between the late 1940s and mid-1960s, tend to have masonry chimneys with original clay tile liners. Six decades of Duarte’s hot, dry summers followed by short mild winters has left many of those liners cracked or spalled. The result is that a large share of our Duarte calls are for relining and crown repair rather than simple sweeps. Homes closer to Bradbury and the 91008 ZIP often have larger custom fireplaces that were built well but have simply aged past their service life. None of this is unique to one street; it is the pattern across the whole foothill band.
Styles & brands we work with





Our Main Duarte Services
Most Duarte homeowners call us first about one of two things: a chimney that has not been cleaned in years, or a dryer vent that is clogged and running hot. Both are fire-safety systems, and both respond to the same local conditions: dry air, wind-driven debris, and older homes with older venting.
Chimney Sweep in Duarte
A sweep in Duarte is about more than removing soot. The dry season lets creosote harden into a tar-like glaze that adheres to flue walls, and Santa Ana winds pack the cap area with organic debris. We clean the full flue, inspect the cap and spark arrestor, and check for the wind damage that is common on foothill streets. Because many Duarte homes are older, we also look at the liner condition during every sweep. If you want to schedule a cleaning, see our Chimney Sweep in Duarte page for service details and pricing.

Dryer Vent Cleaning in Duarte
Your dryer vent is a fire-risk system, not an afterthought. In Duarte’s dry climate, lint builds up fast, and long vent runs in 1950s and 1960s tract homes often sag or trap moisture and debris. We clean the full duct run from dryer to exterior termination, check the flap and termination for the wind-blown debris that accumulates on foothill exposures, and confirm airflow with a static pressure check. For details on this service, see Dryer Vent Cleaning in Duarte.

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.
Chimney Repair in Duarte
Chimney repair in Duarte is driven by two local facts: homes built in the 1950s and 1960s with original clay-tile liners that are now cracking, and foothill winds that batter caps, crowns, and flashing season after season. A chimney that looks fine from the ground often has a spalled liner or a rusted-out cap once we get eyes and a camera on it. That is why we do not just document the problem: we repair with the same materials professional contractors specify, including HeatShield restoration and DuraFlex liner systems. For an overview of our repair capability, see Chimney Repair.
Chimney Cap Installation
Signs you need it
Rain showing up in the firebox, birds or rodents in the flue, or a cap missing entirely after a Santa Ana wind event.
What it costs in Duarte
A new chimney cap in Duarte typically runs $250 to $650 installed, depending on the cap material and flue size.
How we do it
We measure the flue tile, select a stainless or copper cap with the right mesh size for ember resistance, and secure it to the crown with mechanical fasteners and a weatherproof seal.
Chimney Liner Installation
Signs you need it
Chunks of terracotta in the firebox, a strong smoky smell even when the damper is open, or a Level 2 inspection showing cracked or separated flue tiles.
What it costs in Duarte
A DuraFlex stainless liner installation in Duarte usually runs $3,200 to $4,900, depending on flue height and run complexity.
How we do it
We size the liner to the appliance and flue dimensions, insulate it where required, and drop it down the existing chase, then connect it to the appliance and secure the top plate with a new cap and spark arrestor.
Chimney Crown Repair
Signs you need it
Crumbling mortar at the top of the chimney, water staining on the ceiling near the fireplace, or visible cracks in the crown surface.
What it costs in Duarte
Crown repair in Duarte generally runs $650 to $1,450, depending on whether it is a patch or a full rebuild.
How we do it
We remove the damaged crown material, build or patch the surface with the proper overhang and drip edge, and seal it to shed water away from the flue and brickwork.
What Chimney Repair Costs in Duarte
| Item | Typical range in Duarte |
|---|---|
| Chimney cap installation | $250 – $650 |
| Chimney liner installation (DuraFlex) | $3,200 – $4,900 |
| Chimney crown repair | $650 – $1,450 |
Will my homeowner’s insurance cover chimney repair in Duarte?
It depends on the cause. Wind damage from a Santa Ana event is often covered; gradual liner deterioration from age is typically not. We document everything with photos and a written condition report, which is what most Duarte insurers want to see before approving a claim.
Can a damaged chimney liner wait until fall?
Sometimes, but not when the liner is cracked and the fireplace is being used. A cracked liner in Duarte’s dry conditions can expose framing to heat and embers. Call (833) 805-3229 and we will tell you honestly whether the repair can wait or needs attention now.
Brands We Service in Duarte
Our Duarte repair stock includes DuraFlex liner systems, Copperfield caps and crowns, and Famco termination and ventilation hardware. Because we carry these professional-trade lines, we can handle most Duarte repairs without waiting on a special order. See our brands for the full product range.
See the difference
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AfterPricing for Chimney Company in Duarte, CA
| Service | Typical range in Duarte |
|---|---|
| Chimney sweep (full flue cleaning and inspection) | $149 – $350 |
| Level 2 chimney inspection (camera) | $250 – $500 |
| Chimney cap installation | $250 – $650 |
| Chimney crown repair | $650 – $1,450 |
| Chimney liner installation (DuraFlex) | $3,200 – $4,900 |
| HeatShield liner restoration | $2,800 – $4,500 |
| Chimney flashing repair | $350 – $950 |
| Dryer vent cleaning | $119 – $239 |
Prices in Duarte can run higher on foothill properties with steep roof pitches, taller chimneys, or hard-to-access chase tops. Every job gets a written quote before we start, and you approve that number before any work begins.
Neighborhoods We Serve in Duarte
We work across the whole Duarte ZIP range: 91008, 91009, and 91010. Response time for the area is typically one to three business days for non-urgent work, and we schedule foothill repair jobs to avoid high-wind forecast windows.
- North Duarte foothill streets (north of Royal Oaks Drive)
- Stonehill Drive area and the 91008 foothill corridor
- Central Duarte near Duarte Road and Huntington Drive
- East Duarte and the Mount Olive area
- The 91010 tract neighborhoods south of Huntington
Service Area – Cities Near Duarte
Ashwood Chimney Sweep also covers the surrounding foothill and valley communities. We work regularly in Bradbury, CA, Monrovia, CA, Baldwin Park, CA, and Mayflower Village, CA, which means a Duarte appointment can often be combined with a neighbor’s visit on the same route.
Serving Duarte, CA — Our Local Coverage Area
We’re based in the Duarte 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 Company in Duarte
Most Duarte appointments are scheduled within one to three business days. Foothill repair work is planned around wind forecasts, so we avoid scheduling roof-access jobs on days with high gust predictions. Call (833) 805-3229 and we will give you a concrete date, not a window.
Most cap, crown, flashing, and liner repairs fall under routine maintenance and do not need a city permit. If a full rebuild or structural work is required, we will tell you during the inspection and coordinate with the city. We do not guess on this; we verify before we quote.
We cover the full city: 91008, 91009, and 91010, from the north-side foothill streets down to the flatland tracts south of Huntington Drive. The housing stock and issues differ by area, and our pricing reflects the specific access and condition of your home, not a blanket rate.
What happens when you call
- 1A real person answersNo phone trees — talk to a local chimney cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Duarte Customers Say
"Drop cloths everywhere, HEPA vac, and not a speck of soot on the carpet. I'd been dreading the mess for nothing."
— Lina Aziz"Cap keeps the birds out now, which after two springs of scratching noises is worth every penny."
— Alejandro Garcia"Level two inspection before we bought the house. The report was detailed enough to use as a negotiating point and he explained every photo in it."
— Paul Padgett