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 Foster City
Dryer vent cleaning in Foster City typically costs $120-$280 for a standard single-family home, with most jobs completed in 60-90 minutes. We serve the full Foster City area from our San Francisco Bay Area dispatch office, and our crews know the specific venting challenges that come with lagoon-adjacent homes and 1960s-1980s construction. Call (323) 918-4345 for a free written estimate before any work starts.
We’ve been working in Foster City long enough to know the difference between a simple lint clearing and the corrosion-and-condensation problems that plague original ductwork here. The marine layer rolling off the bay, the salt-laden fog that settles over Beach Park Boulevard, and the slab-on-grade construction with no crawlspace - these aren’t abstract concerns for us. They’re what we plan for when we load the van. Our Dryer Vent Cleaning team carries foil tape, mastic, replacement wall caps, and rigid duct sections because we’ve learned what Foster City’s housing stock actually needs.
Why Morton’s Air Duct Cleaning Is Foster City’s Preferred Dryer Vent Cleaning Company
Foster City homeowners call us back because we treat the house like it’s our own. We lay drop cloths before the toolbox comes inside, wear shoe covers on every visit, and keep the vacuum running so lint doesn’t drift toward the dog’s bed or the kids’ play corner. The Cedarwell Care Promise isn’t a slogan we trot out - it’s the system that governs how we move through your home, how we explain the price before touching anything, and how we leave a photo of the clean-up on your phone before we drive away.
Our technicians are background-checked, uniformed, and trained to the C.A.R.E. values that Cedarwell companies share. That means quiet tools when someone’s napping, pet-safe product choices where they apply, and a written price agreed before any work begins. No surprises on the invoice. No pushing for upgrades once we’re in the laundry room. The 365-Day Done Right Promise covers every job: if something isn’t right, we make it right. Full stop.
We’ve built our reputation in Foster City one visit at a time - in the townhome clusters near Edgewater Boulevard, the single-family streets off Metro Center, and the lagoon-front condos where bay moisture creates vent problems you won’t find five miles inland. When you search for Dryer Vent Cleaning in Foster City, you’re looking for someone who understands why your 1978 ranch home’s vent run behaves differently than a new build in San Mateo. That’s the local knowledge we bring.
Dryer Vent Installation in Foster City
Dryer Vent Installation in Foster City addresses a specific problem: the original foil flex, galvanized pipe, or deteriorating duct tape behind your dryer has reached the end of its usable life. Because Foster City was built in a concentrated window from roughly 1965 to 1985, a large share of homes still contain vent materials that are now 40 to 55 years old - brittle, corroded, or improperly routed from day one. A proper installation replaces the entire run from dryer collar to exterior termination with rigid or semi-rigid metal duct, sealed with mastic and foil tape, and supported with straps that prevent sagging or crushing. In Foster City, this typically runs $280-$520 depending on run length, wall penetration complexity, and whether the exterior cap needs replacement.
When Installation Beats Repair
We recommend full replacement when the existing duct is galvanized steel with visible rust, foil flex with internal lint impaction that can’t be cleared, or any run that lacks proper slope and support. In Foster City’s slab-on-grade homes, a sagging flex duct trapped behind the dryer can pool condensation for years without anyone noticing. Installing a proper rigid run eliminates that failure mode entirely.
Exterior Termination Upgrades
Many Foster City homes still vent through original wall caps with failed flappers or roof jacks that have corroded shut. Our installations include a modern low-profile wall cap with a functioning backdraft damper, or a roof termination with proper storm collar and screen where code allows. We match the termination to your home’s exposure - lagoon-side properties need corrosion-resistant materials that inland homes don’t.
Dryer Vent Repair in Foster City
Dryer Vent Repair in Foster City focuses on the specific failure modes this environment produces: disconnected joints where original duct tape has dried and fallen away, crushed flex sections behind dryers that were pushed too close to the wall, and corroded exterior caps seized shut by salt air. Most repairs take 45-75 minutes and range from $150-$320, depending on how much of the run needs attention and whether we’re resealing joints or replacing damaged sections entirely. We always inspect the full path with a borescope camera so we’re quoting actual needed work, not guessing.
Reconnection and Resealing
The most common repair we perform in Foster City is resecuring a disconnected flex run and sealing the joints properly. Original installations often relied on single-wrap duct tape that degrades in 5-10 years. We remove the failed tape, clean the mating surfaces, and apply mastic plus foil tape rated for dryer exhaust temperatures. The result is a joint that won’t leak lint into your laundry room wall cavity.
Corroded Cap and Flapper Service
Salt air from the bay corrodes exterior flapper mechanisms faster than anywhere inland. A cap that looks fine from the sidewalk may be rusted shut inside, forcing your dryer to work against backpressure. We clean or replace the cap, verify proper flap operation, and confirm the termination screen is intact - no birds, no backed-up lint, no moisture intrusion.
Trusted Brands We Service in Foster City
We stock replacement components from Guardsman, Rotobrush, and Aprilaire for Foster City jobs, which means most repairs don’t wait on parts orders. Our Nikro HEPA vacuums and Rotobrush agitation tools handle the heavy lint removal, while Guardsman and Aprilaire venting products give us reliable termination hardware that stands up to bay-area salt exposure. When a Foster City homeowner needs a wall cap that won’t corrode shut in two seasons, we don’t grab whatever the supply house has on clearance - we install hardware we trust from brands that warranty their products.
Common Dryer Vent Cleaning Problems We See in Foster City Homes
- Lint-and-salt matting in lagoon-adjacent units. The combination of bay moisture and salt-laden air creates a damp environment inside vent runs where lint felts onto itself rather than blowing clear. We’ve pulled out sections that resemble compressed felt more than loose lint.
- Disconnected original flex behind the dryer. In Foster City’s 1965-1985 homes, the duct was often installed without proper strapping. Decades of pushing the dryer back against the wall crushes or disconnects the flex entirely, venting moist air into the wall cavity.
- Corroded exterior caps on water-facing homes. Properties near the lagoon system or with western exposure to open bay catch the brunt of marine fog. The flapper corrodes, the screen plugs, and the dryer labors against backpressure even when the interior run is clear.
- Condensation pooling in slab-on-grade runs. Without a crawlspace buffer, cold duct passing through a warm laundry room creates condensation that wets lint and accelerates corrosion of the duct wall itself. This is nearly unique to Foster City’s reclaimed-bay construction.
Pricing for Dryer Vent Cleaning in Foster City, CA
A standard dryer vent cleaning in Foster City runs $120-$280 for a single-family home or townhome with a straightforward wall termination. Condos with longer shared runs, roof-vented systems requiring ladder access, or jobs needing significant repair work fall in the $220-$420 range. Dryer vent installation from scratch or full replacement of a failed run typically costs $280-$520. Every quote is written and agreed before we start - no per-vent pricing, no add-ons once we’re in the door.
What moves the price: run length and accessibility, whether the exterior cap needs replacement, and whether we find disconnected or corroded sections that need repair beyond standard cleaning. We photograph everything we find, show you the borescope feed, and explain your options. The estimate is free, and you’re under no obligation. Call (323) 918-4345 to schedule.
We Also Serve Cities Near Foster City
Our crews travel throughout the Bay Area and beyond. We regularly perform dryer vent cleaning in San Jose, San Francisco, and down the Peninsula, plus we maintain teams in Los Angeles and San Diego for our Southern California customers. Whether you’re in Foster City proper or nearby, the same Cedarwell Care Promise and 365-Day Done Right Promise apply.
Serving Foster City, CA - Our Local Coverage Area
We’re based in the Foster City 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 Foster City
The persistent marine layer and salt-laden bay air in Foster City create condensation inside your vent run that wets lint and causes it to cling to the duct wall instead of blowing clear. San Mateo sits slightly inland and higher in elevation, so its vents stay drier and lint moves through more freely. If your current home is lagoon-adjacent or ground-floor, the effect is even more pronounced. Call (323) 918-4345 and we’ll assess whether a repair or upgrade would break the cycle.
Sometimes, but often no - original foil flex from the 1970s has a corrugated interior wall that traps lint permanently once it’s impacted, and the material itself becomes brittle with age. We inspect with a borescope camera and show you what we see. If the flex is intact and the lint is loose, we can clear it. If the wall is packed with felted material or the flex is deteriorating, replacement is the only lasting fix. We’ll give you a written price for either path before we proceed.
Yes. Slab-on-grade construction with no crawlspace means your vent run passes through conditioned space with no air gap below, so temperature differentials create more condensation. The bay moisture environment also means higher ambient humidity that infiltrates the duct. We see this pattern constantly in Foster City’s ground-floor townhomes and condos. The solution is usually a properly sloped rigid duct with sealed joints and a corrosion-resistant exterior cap, not just a cleaning. We can quote that upgrade if inspection shows it’s needed.
For most Foster City homes, every 12-18 months is the right interval, though homes with heavy dryer use, pets that shed, or lagoon-adjacent exposure to salt air may need annual service. The key indicator is drying performance - if a standard load needs two cycles, the vent is telling you something. We don’t push unnecessary visits; we’ll set a reminder based on what we find in your specific system. Call (323) 918-4345 to book your first inspection and we’ll recommend a schedule from there.
Only if your vent terminates at the roof, which is less common in Foster City’s single-story and townhome stock but does appear in some condo buildings. We carry proper ladder equipment and roof safety gear, and we’ll tell you before we start if roof access is required. Most Foster City homes have wall caps accessible from ground level or a standard step ladder. If roof work is needed, it’s included in the quoted price - never an add-on surprise.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Cleaning, serving Foster City since 2005.




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