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 Half Moon Bay
Dryer vent cleaning in Half Moon Bay typically runs $180-$340 for a standard single-family home, and most jobs are completed in under two hours with the crew still on site. We’re Morton’s Air Duct Cleaning, and our Dryer Vent Cleaning in Half Moon Bay crews know the Coastside’s specific problems: damp, salt-heavy lint mats that choke original 1970s flex duct and corrode vent hoods long before homeowners notice longer dry times. Call us at (323) 918-4345 for a free estimate, or read on to understand what’s actually happening inside your wall.
Half Moon Bay sits directly on the Pacific, and that marine layer is more than scenery. Outdoor relative humidity stays at 80-95% for much of the year, moisture that works its way into dryer vent runs and fuses lint into dense, wet clumps. Our dispatch and scheduling are coordinated from our San Francisco Bay Area office, but the crews that reach homes off Highway 92, along the Coastside flatlands, and up in the hills near El Granada are local technicians who’ve handled these exact coastal conditions hundreds of times.
Why Morton’s Air Duct Cleaning Is Half Moon Bay’s Preferred Dryer Vent Cleaning Company
We’ve been part of the Cedarwell family since 2005, and our reputation in Half Moon Bay has been built one home at a time. Homeowners here talk to each other, and we’ve found that a careful crew that puts down drop cloths before touching a wall, wears shoe covers past the entryway, and keeps tools quiet during nap hours earns more calls than any coupon ever could.
Our reviews from Half Moon Bay customers consistently mention the same things: the written price provided before any work started, the photo of the clean-up the crew texted before leaving, and the fact that a live person answered the phone at 10 PM when they were scheduling around a toddler’s sleep routine. We don’t promise same-day dispatch, because dryer vent cleaning is a scheduled job that deserves a proper time slot, not a rushed visit between two other calls.
What builds real trust here is local knowledge. We know that a 1985 tract home off Main Street likely has original foil flex duct behind the exterior sheathing. We know that properties closest to the agricultural fields along Highway 92 see extra organic particulates during tilling season. And we know that salt-laden fog corrodes vent hood flappers faster in Half Moon Bay than anywhere just ten miles inland over the Santa Cruz Mountains.
Dryer Vent Cleaning Company in Half Moon Bay
Dryer Vent Cleaning Company work in Half Moon Bay means more than brushing lint from a visible vent hood. Our process starts with a written price agreed before we touch anything. We then inspect the full run with a camera where accessible, use agitation tools and negative pressure with HEPA filtration to remove the damp, salt-laden lint mats that define Coastside failures, and finish with airflow verification to confirm the dryer is breathing properly again.
A typical cleaning for a standard Half Moon Bay home runs $180-$240. Homes with longer runs, multiple bends, or bird guard installation needed range $260-$340. We charge one flat price per system. No per-vent add-ons. No surprises when the invoice arrives.
What We Find Behind the Walls
On a 1978 tract home off Highway 92 near the Coastside flatlands, we pulled the exterior dryer vent termination and found the original foil flex duct crushed flat behind the exterior sheathing, with a damp lint mat fused to the inside wall and the flapper seized open from salt corrosion. Our tech ran a camera inspection down the lint pathway, used agitation tools and negative pressure with HEPA filtration to do source removal, then replaced the crushed run with smooth rigid metal duct and re-sealed the register. A subsequent dryer cycle dropped vent back-pressure back to normal spec.
When to Schedule Cleaning
Longer dry times are the obvious signal. But in Half Moon Bay, we also watch for musty odors from the laundry area, visible mildew around the interior vent connection, or a dryer that runs hot but leaves clothes damp. These point to the microbial buildup our coastal humidity creates, not just lint volume.
Dryer Vent Inspection in Half Moon Bay
Dryer Vent Inspection in Half Moon Bay is where we often find the real problem hiding. Many homeowners call for cleaning when the actual issue is a crushed or disconnected run, a corroded flapper stuck open to the fog, or a sagging low point in flex duct that has become a reservoir for damp lint. Our inspection uses camera equipment to see what brushing alone cannot.
A standalone inspection runs $120-$180. If we proceed with cleaning or repair, we apply that inspection fee toward the work. You’ll know exactly what we found, exactly what it will cost to fix, and exactly what we recommend waiting on.
Camera Diagnostics
We feed a flexible camera through the vent run to document crushed sections, separations at joints, and corrosion damage. You see what we see. This matters especially in Half Moon Bay’s older housing stock, where original 1970s-1990s flex duct has endured decades of coastal humidity and salt exposure that inland systems never face.
Airflow and Back-Pressure Testing
After any cleaning or repair, we measure exhaust velocity and static pressure against manufacturer specs. A dryer that can’t push air freely works harder, runs hotter, and wears out faster. The numbers don’t lie, and we show you the before and after.
Trusted Brands We Service in Half Moon Bay
Our crews carry professional-grade equipment from Nikro, Honeywell, and Abatement Technologies, not rental-shop vacuums with a brush taped to the hose. For Half Moon Bay homes, we stock rigid metal duct, corrosion-resistant vent hoods, and bird guards sized for the common termination styles found in Coastside construction. That means when we find a failed component during your inspection, we can often replace it same visit rather than ordering parts and rescheduling. The Cedarwell Care Promise means we work to C.A.R.E. values on every job: Communicate, Act with integrity, Respect your home, and Exceed expectations through craftsmanship. Shoe covers and drop cloths are standard. Quiet tool use during nap hours is standard. Pet-safe product choices where available are standard.
Common Dryer Vent Cleaning Problems We See in Half Moon Bay Homes
- Crushed original flex duct behind exterior sheathing. The 1970s-1990s foil flex duct common in Half Moon Bay’s suburban expansion homes collapses or sags under decades of damp lint weight, pinching the pathway shut before the vent looks blocked at the outside hood. We find this by camera, not by guessing.
- Salt-corroded vent hood flappers stuck open. Half Moon Bay’s persistent marine layer carries salt that seizes flapper mechanisms, leaving the termination open to moist air, pests, and back-drafts. A stuck-open flapper is invisible from inside but costs you energy and invites problems.
- Microbial colonization in idle, unheated duct runs. Because central AC is almost never used here and heating runs modestly, dryer vents sit idle and wet for months. Lint mats colonize with mildew and pull free in wet clumps that defeat a standard brush-only cleaning. Our negative-pressure HEPA extraction addresses this directly.
- Agricultural particulate loading on inland-facing properties. Homes nearest the active brussels sprouts, pumpkin, and flower fields along Highway 92 see extra organic debris pulled into return-air systems during tilling and harvest. This adds to the moisture-and-mold baseline that defines Coastside duct and vent work.
Pricing for Dryer Vent Cleaning in Half Moon Bay, CA
Here’s what dryer vent work costs in the Half Moon Bay market:
- Standard dryer vent cleaning (single-family, accessible run): $180-$240
- Extended or multi-bend run cleaning: $260-$300
- Dryer vent inspection with camera: $120-$180 (credited toward work if performed)
- Vent rerouting or crushed duct replacement: $340-$520 depending on length and access
- Bird guard installation: $85-$140
- Vent cap replacement (corrosion-resistant): $120-$180
What moves the number? Length of run, number of bends, whether we need to open wall or soffit access, and whether the original flex duct has failed and needs replacement with smooth rigid metal. We provide one flat price per system, agreed in writing before work starts. No per-vent pricing. No add-ons after the crew arrives. Every job includes a photo of the clean-up before we leave, and everything is backed by our 365-Day Done Right Promise.
Call (323) 918-4345 for an exact quote. Estimates are free.
We Also Serve Cities Near Half Moon Bay
Our crews regularly work in El Granada, Burlingame, Millbrae, and Belmont. Each community has its own housing stock and climate quirks, but the coastal humidity and salt exposure that define Half Moon Bay’s dryer vent problems are shared across the Coastside and northern Peninsula. If you’re in one of these neighboring cities and found this page while researching, the same standards apply: written price upfront, background-checked uniformed technicians, professional equipment, and the Cedarwell Care Promise on every visit.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 Half Moon Bay
Your vent faces 80-95% relative humidity from the marine layer, plus salt-laden air that corrodes components and fuses lint into dense, wet mats. San Mateo’s inland climate is drier, so lint stays fluffy and brushes out easily. Half Moon Bay’s damp lint requires agitation tools and negative pressure with HEPA filtration for real removal. Call (323) 918-4345 and we’ll show you exactly what your vent looks like inside.
Yes, because the failure mode here is often hidden. A vent can move enough air to finish a load while being partially crushed behind the wall, corroded open at the hood, or colonized with mildew that will eventually restrict flow further. Our camera inspection finds these problems before they become emergencies or damage your dryer. The inspection fee applies toward any work we do.
Absolutely. These cottages often have piecemeal duct runs with mixed materials and creative routing. We inspect first, document what exists, and adapt our approach. Sometimes that means gentle agitation where rigid brushing would damage fragile connections, or recommending vent rerouting where the original path is no longer safe. We never force a standard process onto non-standard construction.
Vent fires ignite when restricted airflow forces the dryer to overheat, igniting accumulated lint. In Half Moon Bay, the added factor is damp lint mats that dry unevenly and can hold heat. We prevent this by restoring full airflow through source removal, replacing crushed or damaged duct with smooth rigid metal, and verifying back-pressure is within safe manufacturer specs before we leave. The 365-Day Done Right Promise covers our work if anything isn’t right.
It’s real, and it’s measurable. We’ve pulled vent runs in Half Moon Bay that were actively growing mildew inside, with lint fused to duct walls in wet clumps that no brush alone could remove. The salt corrosion on vent hoods is visible the moment you look closely. This isn’t theoretical; it’s what our camera shows homeowners on every coastal job. Call (323) 918-4345 and we’ll show you your own vent, no obligation.
Ready to schedule? Call Morton’s Air Duct Cleaning at (323) 918-4345 for a free estimate. A live person answers 24/7, and our Dryer Vent Cleaning team will give you a written price before any work starts, protect your floors with drop cloths and shoe covers from the moment we arrive, and send you a photo of the clean-up before we leave. Every job is backed by our 365-Day Done Right Promise and the Cedarwell Care Promise.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Half Moon Bay since 2005.




Before
After
Before
After
Before
After