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 Walnut
Dryer vent cleaning in Walnut typically runs $145 – $285 depending on vent length, roof access, and how long it’s been since the last cleaning. Most Walnut homes we see with factory-built vents from the 1980s or 1990s haven’t had the line touched since the house was built, so the first cleaning often takes longer than a routine annual visit. We’re Pilgrim Chimney, and our Gelco service in Walnut covers all three ZIP codes, 91788, 91789, and 91795. Call (866) 253-5031 for a free estimate.

Walnut isn’t like the coastal cities. Your dryer runs year-round here because the inland San Gabriel Valley heat means laundry piles up every week, not just in winter. That means lint accumulates steadily, and because so many Walnut homes still have original flex duct from the 1960s through 1990s construction, the buildup has nowhere to go but into the line itself. The fact that your dryer still works doesn’t mean the vent is clear. It means lint is packing in behind the stucco until the airflow drops enough for you to notice the exhaust flap has stopped moving.
Why Pilgrim Chimney Is Walnut’s Preferred Dryer Vent Cleaning Company
We’ve cleaned enough dryer vents in Walnut to know exactly what to expect before we arrive. Homes off Lemon Avenue tend to have single-story ranch layouts with short straight vent runs, while the Mediterranean-style two-stories near Snow Creek and the Puente Hills edge often route vents through roofs or across attic spaces. That roof routing changes the job. A 25-foot vertical run acts differently than an 8-foot wall outlet, and we come prepared for both.
Our lead, Len Pacheco, built Pilgrim Chimney around a simple idea that applies to every Walnut home we visit: the same fire-safety standards that govern chimney work should govern dryer vents. A clogged dryer vent is a fire hazard, full stop. We bring the same professional-grade gear and the same unhurried, methodical approach to every dryer vent cleaning in Walnut that we bring to chimney inspections. No rushing through the job, no leaving before we’ve confirmed airflow at the exterior vent.
Walnut homeowners call us because they want one thing: a vent line they can see is clear. We always show you what we pulled out. You’ll see the lint mass, you’ll see the exterior vent flap moving freely, and you’ll get a straight answer about whether your flex duct should be replaced with rigid metal. We don’t upsell. We tell you what the vent needs and what can wait.
Styles & brands we work with





Our Dryer Vent Cleaning Services in Walnut
Our Dryer Vent Cleaning team handles the full scope of dryer exhaust work across Walnut. Three services cover nearly every situation we encounter in the tract homes here:
Dryer Vent Cleaning
We run professional-grade rotary brushes and a high-powered vacuum through the full vent line, from the dryer connection to the exterior termination. In Walnut’s older tract homes, that line usually hasn’t been cleaned since installation. We pull out years of compacted lint, and we don’t consider the job done until airflow at the exterior vent is strong and the flap closes fully when the dryer shuts off.

Dryer Vent Inspection
If you’re buying or selling a home in Walnut, or you just want to know whether your vent is actually safe, we do a standalone inspection. We’ll check the vent’s condition, the duct material, the termination point, and whether the current setup meets basic safety standards. The plastic and foil flex duct that builders installed through the 1990s sags at low points and traps lint. We flag it and show you why.

Dryer Vent Cap Replacement
Most Walnut homes from the 1970s and 1980s have original vent caps that have rusted, warped, or lost their flap entirely. A missing or stuck-open flap is an open invitation to birds and rodents, and a stuck-closed flap is the reason your dryer takes two cycles to dry a load. We stock common replacement caps from brands like Famco and Copperfield, and we’ll install a new cap with a positive-seal flap the same visit.
Every one of these services is available to homes across Walnut, including the tracts near Pierre Road, the hillside-adjacent streets off La Puente Road, and the neighborhoods around Walnut High School and Lemon Creek Park.

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.
Trusted Brands We Service in Walnut
We don’t believe in hardware-store patch kits on any fire-safety component. When we replace a dryer vent cap or a section of duct in a Walnut home, we use parts from professional-trade brands like Famco and Copperfield, ordered through industry distributors. That matters because a vent cap that fits poorly or a duct joint that separates under heat is a fire risk in your wall. We’d rather install a component we can stand behind for years than whatever was cheapest at the big-box store down Grand Avenue. For Walnut homeowners who want the same standard of material on their dryer vent that they expect on their chimney, we keep a working inventory ready to go.
Common Dryer Vent Cleaning Problems We See in Walnut Homes
Walnut’s specific housing stock creates a handful of recurring failure patterns. These are the things we find over and over, and they’re the reason this page exists in the first place:
- Invisible lint packing in original flex duct. Homes built from the 1960s through the 1990s often have foil or plastic flex duct running behind stucco or through attic spaces. The dryer still runs, the vent flap barely moves, and the fire risk climbs without any visible symptom. This is the number one issue in Walnut’s tract homes.
- Year-round use, not seasonal use. Walnut’s warm, dry climate means dryers here run consistently throughout the year, not just in damp winter months. That steady use loads lint faster than homeowners expect, yet many only schedule cleaning after a burning smell, not as annual maintenance.
- Sagging duct runs in ranch homes. The single-story ranch layouts near the Puente Hills edge often have long horizontal vent runs that sag between supports. Lint settles in those low points, builds into a solid mass, and eventually chokes the line completely.
- Rusted or missing exterior caps. Decades of dry Santa Ana wind season weather and nesting birds leave many 1970s and 1980s vent caps rusted, warped, or missing their flap. Birds enter, build nests in the duct, and block exhaust entirely, which can force carbon monoxide back into the home if it’s a gas dryer.
See the difference
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After
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After
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AfterPricing for Dryer Vent Cleaning in Walnut, CA
A standard dryer vent cleaning in Walnut runs $145 – $185 for a first-floor laundry with a short, straight vent run to an exterior wall. Roof-terminated vents, second-floor laundry rooms, and lines longer than 15 feet typically land between $200 – $285 because of the added access equipment and time. If you need a new vent cap, add $40 – $120 depending on the brand and style. If your flex duct needs replacing with rigid metal, we quote that separately after we show you what the old line looks like on camera. Every estimate is free, and we give you a flat price before we start. Call (866) 253-5031.
We Also Serve Cities Near Walnut
Pilgrim Chimney works across the eastern San Gabriel Valley and beyond, so if you’re in South San Jose Hills, Rowland Heights, West Covina, or Pomona, we can get to you just as easily as our Walnut customers. If you’re in a neighboring community and searching for Dryer Vent Cleaning, we cover the whole area with the same professional-grade service.
Serving Walnut, CA — Our Local Coverage Area
We’re based in the Walnut 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 Walnut
Most Walnut homes should have the dryer vent cleaned every 12 months, and it’s not a seasonal recommendation. Because this part of the San Gabriel Valley stays warm and dry year-round, laundry happens consistently, and lint builds without the winter breaks that slower-climate towns get. If your home still has original flex duct from the 1960s through 1990s construction, annual cleaning is the minimum, and swapping to rigid metal is the better long-term fix. Call (866) 253-5031 and we’ll tell you whether your vent needs a cleaning or an upgrade.
The original foil and plastic flex duct installed in Walnut’s tract homes sags at low points, and lint settles in those sags instead of blowing through to the exterior. The home runs the dryer twice a week, the lint never leaves the line, and within a year or two that sag becomes a solid blockage. Rigid metal duct eliminates the sag, but most Walnut homeowners don’t know they have flex duct until we show them.
Yes. A bird nest in a dryer vent blocks exhaust airflow, which causes heat to back up inside the duct. If it’s a gas dryer, the blocked vent can also force carbon monoxide back into the home. We routinely find bird nests in Walnut vents where the exterior cap has rusted away or lost its flap, especially in the hillside-adjacent tracts near the Puente Hills edge where birds are everywhere. Replacing the cap and clearing the line solves both problems. Call (866) 253-5031 for an inspection.
They’re two entirely different systems with two different fire risks. A chimney sweep removes creosote and soot from a fireplace flue. Dryer vent cleaning removes lint and debris from the exhaust duct behind your dryer. Pilgrim Chimney does both, which is why Walnut homeowners call us for the full picture: your fireplace and your dryer vent are the two leading residential fire hazards, and we service both under one roof.
Yes. We bring drop cloths and a high-powered vacuum that captures lint at the source, so none of it ends up on your floors or walls. Walnut homeowners with newer interior paint and flooring often worry about a service that pulls years of lint out of a wall, and we’ve designed the process so the mess stays contained in our gear, not your laundry room.
Call Pilgrim Chimney for Dryer Vent Cleaning in Walnut
If your dryer is taking two cycles to dry a load, if the vent flap outside isn’t moving, or if you’ve simply never had the line cleaned since you bought the house, that’s a sign it’s time. Walnut’s tract homes weren’t built with easy access to these vent lines, and the original flex duct doesn’t improve with age. We’ll clean it, show you what came out, and give you a straight answer on whether the line needs replacement. Call (866) 253-5031 for a free estimate. We work steadily, we work thoroughly, and we leave your vent line moving air like it should.
Written by Len Pacheco, Owner at Pilgrim Chimney, serving Walnut and the San Gabriel Valley.