Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Dryer Vent Cleaning Across Moraga
Dryer vent cleaning in Moraga typically runs $180 – $340 for a standard single-family home, and most jobs are completed in under two hours with the dryer back in service the same day. Our crews dispatch from the San Francisco Bay Area office and carry the full Rotobrush and Nikro rig needed for Moraga’s older ranch and split-level homes, where decades of lint, oak pollen, and wildfire ash pack the vent run tighter than flatland properties see. If your dryer’s taking two cycles or your laundry room smells like overheated fabric, call (361) 326-5060 – we’ll give you a written price before we touch anything, and every job carries our 365-Day Done Right Promise.
We’ve worked the slope homes off Sanders Ranch Road, the canyon properties near Moraga Commons, and the original 1960s ranches along Moraga Road. Moraga’s canyon-and-ridge topography funnels heavy spring oak pollen and summer wildfire ash into steep-slope homes, so dryer vent runs here collect a sticky mix of lint, oak pollen, and wildfire ash that flatland Lamorinda towns like Lafayette and Orinda rarely see. That combination packs the lint pathway tighter and can trip a dryer’s high-limit thermostat long before a vent looks visibly blocked.
Why Hollis Air Duct Cleaning Is Moraga’s Preferred Dryer Vent Cleaning Company
We’ve been part of the Garrison Partners family since 2004, and our Moraga customers know we show up inside the quoted window, price the job in writing before any work starts, and leave the site clean. The Garrison Standard isn’t a slogan – it’s a checklist: arrive when we said, price it before we touch it, do it by the book.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. And our phones are answered by a live person 24 hours a day, 7 days a week – no voicemail loops, no callback queues, no waiting until Monday for a scheduling question.
We don’t compete on the lowest teaser price. We compete on discipline: written prices, written guarantees, and a 365-Day Done Right Promise that competitors in the trade rarely match in writing. If the work fails within a year, Hollis comes back and makes it right at no charge, including a free second visit.
Local knowledge matters here. Moraga’s 1960s – 1980s housing stock, with original rigid metal ductwork that has developed leaks at joints over decades of seismic settling, requires a different approach than newer construction. We know what to look for because we’ve cleaned it.
Dryer Vent Repair in Moraga
Dryer Vent Repair in Moraga is often the real fix behind a “cleaning” call, because the root problem isn’t lint accumulation – it’s a crushed, disconnected, or improperly routed vent run that lets lint escape into wall cavities or creates back pressure that overheats the dryer. Original rigid metal dryer runs in 1960s – 1980s Moraga ranch homes are crushed or disconnected at the rim joist by decades of seismic settling, so lint escapes into the wall cavity instead of reaching the outside termination. A homeowner sees poor drying and assumes the vent needs cleaning; we inspect with a camera and find the pathway is structurally compromised.
Crushed or Disconnected Runs
We find this constantly in Moraga’s older ranches. The rigid metal pipe passes through a rim joist or floor cavity, and years of minor seismic movement – normal for this area – crimps or separates the joint. Lint backs up at the break, and moisture condenses in the wall. We cut access, replace the damaged section with smooth-wall pipe rated for dryer exhaust, and seal the penetration with fire-rated materials. A typical crushed-run repair in Moraga runs $240 – $420 depending on access and length.
Vent Rerouting for Hillside Homes
Hillside custom homes with long, multi-elbow vent runs exceed the dryer manufacturer’s equivalent-length limit, so the blower motor works against back pressure and overheats even when the visible lint trap is clean. We measure the actual equivalent length – each 90-degree elbow adds 5 feet of restriction – and reroute to shorten the path or upgrade to a larger diameter smooth-wall pipe. Rerouting jobs in Moraga typically fall between $380 – $650.
Dryer Vent Cleaning Company in Moraga
Dryer Vent Cleaning Company service in Moraga means more than pulling lint from a trap. Fine wildfire ash and oak pollen drawn in through the dryer’s makeup air bind with lint into a dense mat that a homeowner’s vacuum cannot reach – only agitation tools under negative pressure break it loose. Our crews use Rotobrush rotary brush systems and Nikro negative-air machines with HEPA filtration at the outlet, the same tools commercial crews use, explained in plain terms on every job. The process is straightforward: inspect the full run with a camera, agitate the debris loose, extract it under contained negative pressure, and verify airflow with a manometer before we leave.
What’s Included in a Standard Clean
We clean the full lint pathway from the dryer connection to the exterior termination, including the transition duct behind the machine. We inspect the vent cap for proper backdraft damper operation – bird guards and intact dampers matter in Moraga, where canyon winds can drive rain and debris backward into the run. We also check the dryer’s internal lint housing, which many homeowners never see. A standard cleaning for a Moraga single-family home runs $180 – $280.
Bird Guard and Cap Replacement
Moraga’s oak woodlands and canyon corridors attract nesting birds, and a missing or damaged vent cap is an open invitation. We stock replacement caps with integrated bird guards and proper backdraft dampers, sized for 4-inch rigid metal pipe. Cap replacement adds $85 – $140 to a cleaning visit, or $140 – $220 as a standalone call.
Trusted Brands We Service in Moraga
We don’t show up with hardware-store gear. Our Moraga crews run professional equipment from Rotobrush and Nikro, with HEPA filtration from Abatement Technologies and Guardsman products for fire-rated sealants and penetration repairs. Rotobrush rotary brush systems handle the agitation work inside Moraga’s original metal ductwork without damaging the joints. Nikro negative-air machines maintain contained suction so debris doesn’t escape into your laundry room or wall cavities. We stock common vent caps, bird guards, and smooth-wall pipe fittings locally, so most repairs don’t wait on parts. When we quote a job in Moraga, the price includes the equipment and materials needed to complete it – no add-ons at the door.
Common Dryer Vent Cleaning Problems We See in Moraga Homes
- Seismic-crushed runs at rim joists. Moraga’s decades of minor earthquake settling have compressed or separated rigid metal pipe where it passes through floor framing. Lint escapes into the wall cavity, and the homeowner smells musty drywall or sees lint blowing from baseboard gaps.
- Pollen-ash lint matting in canyon homes. The combination of spring oak pollen and summer wildfire ash creates a dense, sticky lint mat that clings to duct walls. A standard brush won’t touch it; we need rotary agitation under strong negative pressure to break it loose.
- Overlength vent runs in hillside custom builds. Multi-elbow runs exceeding 35 feet equivalent length are common in Moraga’s newer hillside homes. The dryer labors, clothes take forever, and the heating element cycles on thermal limit – a fire risk masked as “slow drying.”
- Missing or failed vent caps after wind events. Diablo winds and canyon gusts tear off lightweight plastic caps. Birds nest in the open termination, and the first sign is often a dryer that won’t start because the exhaust is completely blocked.
Pricing for Dryer Vent Cleaning in Moraga, CA
We’re direct about pricing because we’ve been on the other side of the bait-and-switch. Here’s what dryer vent work actually costs in Moraga:
| Service | Typical Range in Moraga |
|---|---|
| Standard dryer vent cleaning (single-family) | $180 – $280 |
| Cleaning + bird guard or cap replacement | $265 – $420 |
| Crushed/disconnected run repair | $240 – $420 |
| Vent rerouting (hillside overlength runs) | $380 – $650 |
| Dryer vent inspection with camera only | $95 – $145 |
What moves the price: access difficulty (crawl space vs. accessible laundry room), length and material of the vent run, number of elbows, and whether we find structural damage requiring repair. We inspect first, write the price down, and get your approval before any work begins. The price does not move at the door. Estimates are free – call (361) 326-5060 to schedule.
We Also Serve Cities Near Moraga
Our crews regularly work Moraga and the surrounding Lamorinda area, including Orinda, Walnut Creek, Lafayette, and Alamo. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with local crews serving each community. Whether you’re in a canyon property off Sanders Ranch Road or a flatland ranch near Moraga Commons, our Dryer Vent Cleaning team carries the same equipment and the same written guarantee.
Serving Moraga, CA - Our Local Coverage Area
We’re based in the Moraga 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 Dryer Vent Cleaning in Moraga
The blockage is almost always in the vent run, not the trap. In Moraga, we find the lint pathway packed with a dense mat of lint, oak pollen, and wildfire ash that a homeowner’s vacuum can’t reach – or the rigid metal run is crushed at a rim joist from decades of seismic settling, creating a bottleneck that traps moisture and heat. Call (361) 326-5060 for a camera inspection; estimates are free.
Fine wildfire ash penetrates even closed windows and is drawn into the dryer’s makeup air, where it binds with lint into a sticky, dense deposit. After a red-flag warning or nearby grass fire, we see a spike in Moraga calls because this ash-lint combination packs the vent tighter than ordinary lint alone. Annual cleaning is prudent; after a heavy smoke event, an inspection makes sense even if it’s been less than a year.
Most dryer manufacturers limit the equivalent vent length to 25 feet, with each 90-degree elbow adding 5 feet. A run with three elbows and 20 feet of straight pipe is already at 35 feet – over spec. We measure your actual run with a camera and airflow meter during inspection. If you’re overlength, we quote a reroute or upgrade to smooth-wall pipe with a larger diameter. Call (361) 326-5060 to schedule the inspection.
NADCA (National Air Duct Cleaners Association) standards cover HVAC duct cleaning; dryer vents fall under the dryer’s manufacturer installation requirements and NFPA 211 fire safety guidelines. We follow both, using contained negative-air extraction with HEPA filtration and rotary agitation tools – the same equipment specified for commercial jobs. The key is verifying airflow improvement with a manometer, which we do on every Moraga job before we leave.
After a red-flag warning or nearby grass fire, fine ash penetrates home envelopes and settles in return-air plenums and dryer makeup air pathways. Moraga’s canyon topography draws this debris directly into hillside homes with less urban buffering than Lafayette or Orinda. Homeowners notice their dryer overheating or shutting off mid-cycle because the ash-lint mat has choked the vent. We were called to a 1970s split-level off Sanders Ranch Road where the homeowner’s dryer had been shutting off mid-cycle for weeks. A camera inspection of the lint pathway revealed the original rigid metal run was crushed where it passed through the rim joist and packed with oak pollen and fine ash from the prior red-flag season. We pulled the debris with agitation tools under negative pressure with HEPA filtration at the outlet, replaced the crushed section with smooth-wall pipe, and the dryer cycled normally on the first test load.
Ready to get your dryer vent inspected or cleaned? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free estimate. We’ll give you a written price before any work starts, and every job is backed by our 365-Day Done Right Promise – if it’s not right, we make it right, including a free second visit.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Moraga and the San Francisco Bay Area.




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