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 Dryer Vent Cleaning Across Monrovia
Dryer vent cleaning in Monrovia typically runs $145 – $235 for a standard single-story home, and most jobs are completed in under 90 minutes. The big variable here is housing age. If your home sits in the 91016 or 91017 ZIP and was built before 1950, there’s a real chance your dryer is venting somewhere it shouldn’t be. That’s the conversation we end up having more in Monrovia than almost anywhere else we work. Call (833) 805-3229 and we’ll tell you exactly what you’re dealing with before any work is scheduled.
We’re Ashwood Chimney Sweep. Norm Castillo runs our crews, and we’ve spent years working the foothill streets above Old Town, through the Craftsman blocks near Myrtle Avenue, and out toward the newer construction along Huntington Drive. We know how these homes are built. That matters more than most people expect.
Why Ashwood Chimney Sweep Is Monrovia’s Preferred Dryer Vent Cleaning Company
Monrovia throws a specific problem at dryer vents: they get routed into chimneys. We see it constantly. A homeowner renovates a 1920s bungalow in Old Town, moves the laundry room, and the easiest path for the contractor is the existing masonry flue. It works, until it doesn’t. Lint clings to rough clay tile, moisture from the foothill air does the rest, and six months later the dryer is running hot and the clothes smell musty. A standard duct-cleaning company won’t spot that. We do, because we’re chimney people first.
When we arrive in Monrovia, we’re not learning the neighborhood from a map. We know that homes above Foothill Boulevard get hammered by down-canyon winds that push leaves, seed pods, and ash into exterior vent terminations. We know the marine layer mornings in the 91016 ZIP keep mortar damp longer, which accelerates spalling in crowns and caps. That’s not trivia. It changes what we check first.
Every Monrovia job includes camera inspection before and after. You see what we see. If the vent is clean and the problem is something else, we tell you that plainly and don’t recommend anything. If the vent was routed into a chimney that was never meant to carry it, we show you the footage and explain your options. No scare-selling. Just the actual condition of your exhaust path, documented.
We handle the full scope. Dryer Vent Cleaning is one line. We also sweep chimneys and repair them, which means when a dryer vent and a flue share a wall, or share a cap, or share a problem, one crew deals with all of it. No hand-off. No second appointment with a different company. Norm Castillo’s team does the assessment and the repair.
Styles & brands we work with





Our Dryer Vent Cleaning Services in Monrovia
Dryer Vent Cleaning
We clean the entire exhaust run, from the back of the dryer to the exterior termination. In Monrovia, that run is often longer than it should be, snaking through old framing and sometimes through abandoned flue sections. We use rotary brushes sized to the duct, and we verify airflow with a camera at both ends. A standard single-story home in Monrovia runs $145 – $235. Two-story homes and those with long horizontal runs run $195 – $325.

Level 2 Inspection
If the vent path is unclear or you’ve had a previous contractor flag something, a Level 2 inspection gives us a complete look inside. We run a camera through the entire run and document every joint, every transition, every obstruction. In older Monrovia homes where the dryer shares a masonry chase with a fireplace flue, this is the difference between guessing and knowing. Inspection footage is yours to keep, and we walk you through it on-site.

Chimney Cap and Screen Installation
Foothill winds don’t just push leaves into gutters. They push them into uncapped chimneys and vent terminations. We install caps and screens from Famco, a manufacturer whose ventilation hardware is built for exactly this kind of exposure. If your Monrovia home sits above the canyon line, a proper cap and screen is a genuine fix, not an upsell. We’ve pulled bird nests, seed pods, and enough leaf litter to fill a trash bag out of flues in the blocks off Hillcrest and Norumbega.

Dryer Vent Rerouting and Correction
When a dryer vent has been routed into a chimney flue in a pre-war Monrovia home, cleaning buys time but doesn’t fix the design. We correct the routing where feasible, install proper rigid duct, and terminate outside the structure. Materials come from the professional trade channel, not a big-box shelf. If the correction is complex, we explain the cost and the timeline before any work starts. This is the part where a camera-first approach protects you from being told you need work you don’t.

What happens when you call
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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.
Trusted Brands We Service in Monrovia
We service and install equipment from manufacturers the professional trade actually uses. Copperfield and Olympia Chimney supply the liner and crown materials we install on Monrovia chimney work. Famco supplies the vent caps, screens, and termination hardware on dryer vent jobs. These aren’t retail brands. They’re distributed through the professional channel, which means the parts we put on your home are the same ones specified by certified contractors nationwide. If a Monrovia home needs a cap, a section of liner, or a correction to the vent path, we have the right material on the truck, not a compromise from a hardware store.
We also work with DuraFlex and HeatShield on chimney liner restoration in Monrovia. When a dryer vent has been sharing space with a deteriorating flue, the fix often involves addressing both. A clay tile flue with cracked sections and spalling mortar isn’t just a chimney problem. It’s a ventilation problem. We restore what can be restored and replace what can’t, and we show you the camera evidence for both calls.
Common Dryer Vent Cleaning Problems We See in Monrovia Homes
- Dryer vents routed into old masonry chimneys. The 1900s – 1930s Craftsman and bungalow stock in Old Town Monrovia was built before dryers existed. When laundry rooms were added or moved, contractors sometimes ran the vent into the nearest flue. Lint clings to rough clay tile, accumulates behind the firebox, and creates a hidden fire load that a standard lint-trap check won’t reveal.
- Foothill debris blocking exterior terminations. Homes above Foothill Boulevard and the streets climbing toward the San Gabriels face steady down-canyon winds. Leaves, seed pods, and regional wildfire ash get driven into vent openings and chimney caps. The symptom is a dryer that runs long and a vent that feels weak at the termination. The cause is rarely the dryer itself.
- Moisture and lint forming a combustible paste. Monrovia’s marine-layer mornings keep masonry damp for hours. When lint mixes with water intrusion from a cracked crown or spalled mortar, it forms a dense, slow-burning paste that restricts airflow far more than dry lint. This is a condition we see repeatedly in pre-war Monrovia homes and almost never in newer construction.
- Bird and rodent nests inside uncapped flues and vents. The foothill blocks have real wildlife pressure. Birds nest in uncapped chimneys, and rodents follow the warmth of a dryer exhaust. A nest you can’t see from the ground can reduce airflow to a trickle and hold moisture against the flue walls, accelerating deterioration. We find them with a camera, remove them, and cap the opening so they don’t come back.
Pricing for Dryer Vent Cleaning in Monrovia, CA
A standard dryer vent cleaning in Monrovia runs $145 – $235 for a single-story home with a direct vent run. Two-story homes, long horizontal runs, or vent paths that include chimney transitions run $195 – $325. If the vent has been routed into an abandoned flue and needs correction, that’s a separate scope. We quote it after we see it, with camera footage in hand. We never recommend correction without showing you why. Every job starts with a free estimate, and the price we quote is the price you pay. Call (833) 805-3229 and we’ll talk through your specific setup before scheduling anything.
What affects the price in Monrovia specifically is housing age. A 1920s bungalow with a convoluted vent path takes longer and requires more inspection than a 1990s home with a direct run. That’s honest pricing, not a trick. We’d rather tell you up front than surprise you on site.
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AfterWe Also Serve Cities Near Monrovia
We work throughout the San Gabriel Valley and the foothill corridor. If you’re in Mayflower Village, Duarte, Bradbury, or Arcadia, we handle Dryer Vent Cleaning in Monrovia and the surrounding communities with the same camera-first approach and the same trade-grade materials. One call covers the whole area. Norm Castillo’s crews are already on these roads every week.
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 – Dryer Vent Cleaning in Monrovia
It’s common in pre-war Monrovia homes, but it was never correct. Many Old Town bungalows and Craftsman homes had dryers added decades after construction, and the vent was run into the nearest existing flue. Clay tile was designed for fireplace exhaust, not dryer lint. Lint catches on every rough mortar joint, accumulates behind the firebox, and can’t be seen without a camera. We inspect these setups carefully, and we’ll show you exactly what’s happening before recommending anything. Call (833) 805-3229 to schedule an inspection.
Every 12 months. Monrovia’s down-canyon winds and tree cover mean exterior terminations collect leaves and seed pods faster than flatter valley cities. If your home sits above Foothill Boulevard or near the foothill interface, you might need twice-yearly checks. The dryer lint itself accumulates at the same rate as anywhere else, but the debris loading from wind and wildlife shortens the safe interval. After your first cleaning, we’ll tell you what your specific vent path demands.
Clothes that take longer than 40 minutes to dry, a dryer exterior that feels unusually hot, a musty smell on dried clothes, or a weak exhaust flow at the exterior termination are the four most common signs we hear from Monrovia homeowners. In foothill blocks, a fifth sign is visible debris around the vent cap. If any of these sound familiar, a camera inspection settles it. Call (833) 805-3229 and we’ll tell you whether cleaning is the fix or something else is going on.
Yes, and this is where our chimney background matters. A dryer vent and a fireplace flue that share a masonry chase create a specific hazard: lint from the dryer vent can migrate into gaps around the fireplace flue, and fireplace creosote can affect the dryer’s exhaust path. We inspect both systems in the same visit, clean what needs cleaning, and verify separation with the camera. One crew, no hand-off, and you see the footage for both paths. Monrovia’s older homes frequently present this exact condition.
We arrive, locate your vent path, and run a camera through the entire run before cleaning. Then we clean with a rotary brush sized to the duct, clear the exterior termination, and run the camera again to verify. You see before and after footage. The whole process takes 60 – 90 minutes for a typical Monrovia home. If we find a blockage that changes the picture, we stop and show you before proceeding. No surprises, no work without your sign-off.
A Monrovia Job That Shows Why the Camera Matters
We recently handled a dryer vent cleaning in an Old Town Monrovia bungalow where the homeowner reported slow drying and a musty smell. Our tech found the dryer vent was venting into an abandoned clay flue tile that had cracked and was allowing lint to accumulate behind the firebox. That’s a setup never intended for modern appliance exhaust. After clearing the blockage with a rotary brush and verifying airflow with a camera, we recommended a proper venting solution, showing the homeowner the footage before any work was suggested. That’s how it goes. Most days in Monrovia, the problem isn’t what the homeowner thinks it is. The camera tells the truth and we act on that, nothing else.
Contact Ashwood Chimney Sweep for Dryer Vent Cleaning in Monrovia
If your Monrovia home’s dryer is running slow, running hot, or venting somewhere questionable, we’ll find out what’s actually going on. Camera inspection is included. The quote is free. The work is done with trade-grade materials from Copperfield, Famco, and the rest of our professional supply line, and Norm Castillo’s crews stand behind it. Call (833) 805-3229 today and get on the schedule. We serve all of Monrovia, from the 91016 flats to the foothill streets above Foothill Boulevard, and we’ll treat your home like it’s the only job that matters.
Written by Norm Castillo, Owner at Ashwood Chimney Sweep, serving Monrovia and the San Gabriel Valley.