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.
Before
After
Before
After
Before
AfterAir Duct Cleaning in Redwood City, CA
Dryer vent cleaning in Redwood City is the service we’re called for most often, and the reason is consistent: the city’s 1950s and 1960s ranch homes in neighborhoods like Friendly Acres and Mount Carmel were built with short, often poorly routed dryer exhaust runs, while Redwood Shores condos stack those vents through shared chases that haven’t been opened in years. Add Redwood City’s warm, dry-summer microclimate, which means laundry machines see heavy use year-round, and lint accumulation becomes both a fire hazard and a utility bill problem faster than most homeowners expect. Call (806) 606-6902 for a written quote before any work starts.
Why Redwood City Homes Are Different
Redwood City sits in a documented warm pocket of the Peninsula. It’s sunnier and warmer than San Francisco or the coastal fog belt, which means forced-air systems here run for both heating and cooling across more of the year. That operational load translates directly into faster particulate buildup inside ducts, and it’s one reason residents see visible dust around registers sooner than friends in Daly City or Pacifica do.
Housing stock shapes the work too. The core neighborhoods (Friendly Acres, Mount Carmel, Centennial) are dense with mid-century ranch-style homes, most of which still carry their original sheet-metal duct systems routed through unconditioned attics. Redwood Shores, by contrast, adds a dense stock of 1970s through 1990s condos and townhomes where stacked or shared duct chases create cross-unit contamination concerns that single-family routes don’t. And because Redwood Shores was built on reclaimed Bay tidal flats, crawl-space humidity wicks directly into poorly sealed duct boots. We routinely pull flex duct from Redwood Shores with interior moisture staining and microbial growth in homes with no visible water damage history. The water table is only a few feet below grade, and Bay waters sit on three sides of the neighborhood. That’s a condition largely absent in San Carlos or Menlo Park, and it changes what “clean” needs to mean.
Our Main Redwood City Services
Most Redwood City homeowners call us about two things: the condition of the air ducts themselves, and the broader HVAC system movement through them. Both start with a camera inspection.
Air Duct Cleaning in Redwood City
This is the job where the camera matters most. In Redwood City’s ranch homes, the original 1950s sheet-metal duct runs often have decades of layered dust, construction debris, and in some Friendly Acres and Centennial properties, rodent activity inside the attic runs. Our Rotobrush agitation paired with negative-pressure extraction pulls that material out without blowing it through the living space. In Redwood Shores, the focus shifts to moisture-stained flex duct and cross-unit contamination. See how this job works and what it costs at Air Duct Cleaning in Redwood City.
HVAC Cleaning in Redwood City
HVAC cleaning in Redwood City extends beyond the ducts to the air handler, blower fan, evaporator coil, and plenum. Given how much Redwood City’s warm microclimate drives cooling-season use, the blower wheel and coil often carry a compacted layer that restricts airflow and raises static pressure. We clean those components with manufacturer-specified methods and document every access point before closing the system. See scope, equipment, and pricing at HVAC Cleaning in Redwood City.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
BeforeAfterDryer Vent Cleaning in Redwood City
Dryer vent cleaning in Redwood City addresses a fire risk that builds faster in this city than in coastal neighbors. The mid-century ranches in Friendly Acres and Mount Carmel often route dryer exhaust through long, multi-turn runs inside unconditioned attics, while Redwood Shores units share vertical chases where lint from one unit compounds what the next unit adds. Because Redwood City’s warm climate means year-round laundry use, those runs pack with lint quickly, and restricted airflow forces the dryer to work longer and hotter. We inspect every run with a camera, photograph the before and after, and put the price in writing before a single panel moves. You can read the full scope at Dryer Vent Cleaning.
Dryer Vent Inspection
Signs you need it
Clothes take longer than 45 minutes to dry, the exterior vent flap doesn’t open when the dryer runs, or you find lint accumulating around the dryer’s rear connection.
What it costs in Redwood City
A camera inspection of a dryer vent run in Redwood City typically costs between $95 and $145 depending on run length and access.
How we do it
We run a camera from both the dryer connection and the exterior termination, recording the full run and showing you exactly where the restriction sits.
Lint Removal
Signs you need it
The dryer runs hot to the touch, you smell a damp or musty odor around the machine, or visible lint clings to the wall behind the unit.
What it costs in Redwood City
Full lint removal from a dryer vent in Redwood City typically costs between $185 and $275 for a standard single-story run, with condo and townhome shared-chase access at the upper end.
How we do it
Using negative-pressure extraction and rotating agitation rods, we pull the accumulated lint out of the entire run, then re-camera the line to verify it’s clear and show you the photo.
Vent Rerouting
Signs you need it
Your vent run exceeds 25 feet or makes more than two 90-degree turns, both common in Redwood City’s original mid-century floor plans.
What it costs in Redwood City
Rerouting a dryer vent in Redwood City typically costs between $595 and $1,500 depending on whether the new run passes through an attic, a crawl space, or a shared chase.
How we do it
We route a shorter, smoother exhaust path using rigid metal duct, seal every joint, and photograph the new run before connecting the dryer.
Bird Guard Installation
Signs you need it
You hear scratching or chirping at the exterior vent opening, or you can see nesting material protruding from the termination point.
What it costs in Redwood City
Installing a bird guard on a dryer vent in Redwood City typically costs between $145 and $225 including the guard and mounting hardware.
How we do it
We remove any existing nesting material, clean the termination area, and mount a weather-sealed guard that blocks entry while allowing full airflow.
What Dryer Vent Cleaning Costs in Redwood City
| Item | Typical range in Redwood City |
|---|---|
| Camera inspection | $95 - $145 |
| Lint removal (standard run) | $185 - $275 |
| Vent rerouting | $595 - $1,500 |
| Bird guard installation | $145 - $225 |
How often should a dryer vent be cleaned in Redwood City?
Every 12 to 18 months for most Redwood City homes, and every 12 months for Redwood Shores units where shared chases concentrate lint from multiple sources. Laundry frequency determines the real interval; a camera inspection gives you an evidence-based answer. Call (806) 606-6902 to schedule one.
Can a clogged dryer vent affect indoor air quality?
Yes. A restricted vent forces the dryer to run hotter and longer, and in Redwood City’s unconditioned attics, trapped moisture and lint against warm sheet metal can feed microbial growth that migrates back into the living space. We document what the camera shows before suggesting any treatment; call (806) 606-6902 for an inspection.
Duct Repair & Sealing in Redwood City
Duct repair and sealing in Redwood City is what we do when the camera finds more than dust. In the original sheet-metal systems of Friendly Acres and Mount Carmel, joints loosened over decades let conditioned air escape into the attic, while Redwood Shores flex duct often shows moisture damage where crawl-space humidity has wicked through unsealed boots. Read the full scope at Duct Repair & Sealing.
Duct Sealing
Signs you need it
Rooms heat or cool unevenly, utility bills climb without a change in usage, or a smoke test at the register shows air moving where it shouldn’t.
What it costs in Redwood City
Sealing accessible ductwork in a Redwood City home typically costs between $1,200 and $3,300 depending on the number of runs and the access type (attic, crawl space, or finished chase).
How we do it
We seal every accessible joint, boot, and plenum connection with mastic or specialized tape, then run a pressure test to measure the improvement in leakage, photographed at each step.
Flex Duct Repair
Signs you need it
You see collapsed or kinked flexible duct in the attic or crawl space, or the camera shows moisture staining and tears along the interior liner.
What it costs in Redwood City
Replacing a damaged flex duct run in Redwood City typically costs between $275 and $520 per run depending on diameter, length, and accessibility.
How we do it
We remove the damaged section, install a correctly sized and supported replacement, and seal both terminations with mastic before photographing the finished work.
Duct Insulation
Signs you need it
Attic duct surfaces sweat during Redwood City’s warm afternoons, or the HVAC system’s delivered air feels noticeably warmer in summer and cooler in winter than the supply plenum.
What it costs in Redwood City
Insulating ductwork in a Redwood City attic typically costs between $625 and $1,800 for a ranch home’s primary trunk runs, depending on access and existing material condition.
How we do it
We wrap the runs with R-8 rated duct insulation, seal the vapor barrier, and photograph the completed installation before closing the attic access.
What Duct Repair & Sealing Costs in Redwood City
| Item | Typical range in Redwood City |
|---|---|
| Duct sealing (accessible system) | $1,200 - $3,300 |
| Flex duct replacement (per run) | $275 - $520 |
| Duct insulation (attic trunk runs) | $625 - $1,800 |
How do I know my ducts actually need sealing, not just cleaning?
A camera inspection and a pressure or smoke test show the difference. If dust is surface-level, cleaning addresses it. If conditioned air is escaping at joints, sealing is the fix. We show you the photographic evidence before recommending either; call (806) 606-6902 for an assessment.
Is duct sealing worth it in Redwood City’s climate?
Yes, particularly in ranch homes with attic runs. Leaky ducts force the system to run longer during Redwood City’s warm cooling season, and the energy loss compounds annually. Sealing typically pays for itself through reduced runtime and more even room temperatures.
Air Quality & Sanitizing in Redwood City
Air quality and sanitizing in Redwood City answers a very specific problem here: moisture. Redwood Shores sits on filled Bay marsh with a water table feet below grade, and crawl-space humidity wicks into duct boots, creating conditions where mold and bacteria establish even in homes with no leak history. In the mid-century ranches, the issue is more often decades of accumulated particulate and odor. Full scope at Air Quality & Sanitizing.
Mold Treatment
Signs you need it
The camera shows visible microbial growth on the interior duct surfaces, or occupants report musty air that worsens when the HVAC system runs.
What it costs in Redwood City
Mold treatment of duct surfaces in a Redwood City home typically costs between $850 and $2,900, with Redwood Shores moisture-prone systems at the upper end of that range.
How we do it
We apply an EPA-registered antimicrobial treatment to the interior duct surfaces after mechanical cleaning, then photograph the treated areas and re-inspect within days to confirm the result.
Bacteria Sanitizing
Signs you need it
Persistent odors return shortly after cleaning, or household members experience respiratory irritation that improves when away from the home.
What it costs in Redwood City
Whole-system bacteria sanitizing in Redwood City typically costs between $450 and $950 depending on system size and the number of runs treated.
How we do it
Using a ULV fogger with an EPA-registered sanitizer, we treat the entire duct system while the blower circulates air, then ventilate and document the application with photographs.
Odor Removal
Signs you need it
Previous occupants’ cooking, pets, or smoking have left odors that recur when the forced-air system runs, even after the home itself has been cleaned repeatedly.
What it costs in Redwood City
Odor removal treatment for a Redwood City duct system typically costs between $350 and $900 depending on the source and the number of applications required.
How we do it
We treat the duct surfaces with an odor-neutralizing agent after mechanical cleaning removes the carrying surface, then re-inspect to confirm the source material is gone.
UV Light Installation
Signs you need it
Microbial growth recurs despite cleaning, or a household member has a condition that demands continuous suppression of airborne biological contamination.
What it costs in Redwood City
UV light installation in a Redwood City HVAC system typically costs between $795 and $1,650 including the unit, mounting, and wiring.
How we do it
We install a Honeywell UV-C unit at the evaporator coil or supply plenum, wire it to run in sequence with the blower, and photograph the installation as part of the job record.
What Air Quality & Sanitizing Costs in Redwood City
| Item | Typical range in Redwood City |
|---|---|
| Mold treatment | $850 - $2,900 |
| Bacteria sanitizing | $450 - $950 |
| Odor removal | $350 - $900 |
| UV light installation | $795 - $1,650 |
Is mold in ducts a Redwood Shores-specific problem?
It’s statistically far more common there because the neighborhood sits on reclaimed Bay tidal flats with persistent ambient humidity. Crawl-space moisture wicks into unsealed duct boots, and we photograph the interior staining before treatment. Call (806) 606-6902 for an assessment.
Will sanitizing actually change what my family breathes?
It reduces the biological load present on duct surfaces and in circulated air. Whether that matters depends on what the camera finds and what occupants are sensitive to. We show you the documented before and after so you can make the choice on evidence.
Brands We Service in Redwood City
We work on duct and HVAC systems from Guardsman, Honeywell, Aprilaire, and other trade-recognized manufacturers. Most replacement parts for Guardsman and Honeywell components are stocked in our local inventory, so repair work in Redwood City rarely waits on shipping. See the roster at our brands.
Pricing for Air Duct Cleaning in Redwood City, CA
| Service | Typical range in Redwood City |
|---|---|
| Air duct cleaning (whole-home, standard ranch) | $395 - $1,050 |
| Air duct cleaning (whole-home, larger or multiple systems) | $750 - $1,600 |
| HVAC cleaning (blower, coil, plenum) | $450 - $1,100 |
| Dryer vent inspection | $95 - $145 |
| Dryer vent lint removal | $185 - $275 |
| Dryer vent rerouting | $595 - $1,500 |
| Bird guard installation | $145 - $225 |
| Duct sealing | $1,200 - $3,300 |
| Flex duct replacement (per run) | $275 - $520 |
| Duct insulation | $625 - $1,800 |
| Mold treatment | $850 - $2,900 |
| UV light installation | $795 - $1,650 |
In Redwood City, prices push upward when the work involves Redwood Shores shared chases, long attic runs in mid-century ranch homes, or moisture damage that requires treatment and sealing rather than cleaning alone. Regardless of the number, every quote is a written price delivered before any work starts, under Haven Standard Clause 1.
Neighborhoods We Serve in Redwood City
We serve Redwood City broadly, from Redwood Shores wetlands to the ranch-home blocks of Friendly Acres, Mount Carmel, and Centennial, plus the surrounding residential pockets. Response time for the area is typically one to two business days for scheduled work.
- Redwood Shores
- Friendly Acres
- Mount Carmel
- Centennial
- Edgewood Park
Service Area - Cities Near Redwood City
CleanRun serves Redwood City and the surrounding Peninsula communities. Homeowners in Menlo Park, CA, San Carlos, CA, and Palo Alto, CA schedule the same documented service, and we also cover Belmont, MA. Dispatch and scheduling for Redwood City jobs are coordinated from our San Francisco Bay Area office.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood 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 Air Duct Cleaning in Redwood City
Most Redwood City appointments are scheduled within one to two business days. If the job is a dryer vent restriction with an active safety concern, tell the scheduler when you call (806) 606-6902 and we’ll prioritize the inspection. Every visit starts with a written price.
Most single-family homes in Redwood City need no permit for duct cleaning, repair, or sealing. Redwood Shores condos and townhomes sometimes require HOA notification before work in shared chases; we handle that coordination and document the approval before starting.
Yes. Shared chases are a common feature of Redwood Shores construction, and we bring commercial-grade negative-pressure equipment sized for those runs. Cross-unit contamination concerns mean we document the interior of every run we touch and deliver the photo record with the invoice.
Call (806) 606-6902 for a written estimate on any duct, vent, or air quality work in Redwood City. A live person answers, and the price is in writing before any work begins.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Redwood City Customers Say
"Flat price agreed up front, no per-vent add-ons at the end. That was the whole reason I did not call the coupon company."
- Suzanne B."The dryer vent was almost completely blocked with lint. They showed me the photograph and I understood immediately why the dryer had been running twice."
- Lucia M."They found a disconnected duct in the crawl space that had been dumping conditioned air under the house for years. Photographed it, quoted the repair, fixed it."
- Devon A.