Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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 Air Duct Cleaning Across Redwood Shores
Air duct cleaning in Redwood Shores usually costs between $450 and $900 for a full system on a typical two-story tract home, and most jobs are completed in a single visit. Redwood Shores is a unique place to work, and it is not just because of the lagoons. The homes here, nearly all built on former salt flats and tidal marsh, develop duct problems that you simply do not see a few miles inland. If you have noticed a musty smell that returns every fog season, or if your system has never been properly cleaned since the house was built, call us at (877) 824-3121 for a straight answer and a free estimate.
Why Duct Cleaning Union City Is Redwood Shores’s Preferred Air Duct Cleaning Company
Redwood Shores homeowners tend to be precise about home systems. Many of you work in tech or biotech around the Bay, and you ask good questions before letting anyone touch your HVAC. That suits how we work. Our team, led by Nelson Abreu, uses Rotobrush and Nikro duct cleaning systems, the same commercial-grade equipment serious mechanical contractors run, not a residential vacuum attached to a hose. When we inspect a Redwood Shores home, we are looking at the specific failure modes of this development. We know which original villages have garage-crossover returns that wick salt-laden moisture through foundation vents. We know the marine layer keeps attics damp from June through August here in a way it does not in Redwood City or Atherton.
Our Air Duct Cleaning team documents everything. For Redwood Shores specifically, that documentation matters more than in neighboring cities, because this is one of the few Bay Area housing markets where a musty-smelling duct run is often an insurance claim, not just a cleaning job. We have helped homeowners in the Redwood Shores original villages get partial duct replacement approved by insurers because we produced camera footage and moisture readings, not just a verbal opinion. That is the difference between a contractor who cleans and one who understands how this community was built.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Commercial Air Duct Cleaning in Redwood Shores
Commercial Air Duct Cleaning in Redwood Shores often involves office spaces, dental and medical suites, and the mixed-use buildings along Bridge Parkway and Marine Parkway. These buildings share the same environmental conditions as the homes here: salt air off the Bay, a damp marine layer, and mechanical rooms or roof-mounted units that see significant condensation. A commercial system in Redwood Shores typically costs between $1,200 and $3,500 depending on the number of rooftop units, the length of supply runs, and whether the building has multiple zones serving different tenants.
Property managers call us when tenants complain about persistent odors, when a change of occupancy requires documented cleaning, or when an older rooftop unit is being recommissioned. We handle the work the same way we do residential jobs: camera inspection first, agitation and HEPA-filtered negative pressure during the cleaning, and a written report with before-and-after photos for the building file.
Documented Cleaning for Lease Compliance
In Redwood Shores commercial spaces, especially medical and dental offices on Redwood Shores Parkway, building owners often need proof of duct cleaning for lease renewals or health compliance. We provide a dated report with photos of the supply and return plenums, the coil, and representative duct sections. That report is what your landlord or property manager files, and it holds up.
Mixed-Use and Rooftop Unit Cleaning
Several mixed-use buildings in Redwood Shores run shared rooftop units that serve both ground-floor retail and upper-floor offices. These systems pull salt-laden air through outside intakes all year. We clean the blower wheel, the evaporator coil, the drain pan, and the full supply and return duct runs, then note any water staining or corrosion we find so you have a record before a tenant dispute starts.
Air Duct Cleaning Services in Redwood Shores
Air Duct Cleaning Services in Redwood Shores have to account for what the local climate does to ductwork. This is not a dusty-desert city where the issue is fine silt. Here, the marine layer fog keeps attics and crawlspaces cool and damp for much of the year, so condensation on metal ducts and mold growth in flex duct are the dominant problems. A standard full-system cleaning in a Redwood Shores home runs $450 to $900, with the higher end applying to two-story homes with complex multi-zone returns, which describe most of the 1980s through 2000s Mediterranean and contemporary tract houses in the original villages.
Our process starts with a camera inspection of the supply and return runs. We are looking for damp sections, collapsed flex, and the telltale salt-crusted exterior of garage-crossover ducts. Then we run Rotobrush or Nikro agitation tools through the entire system under negative pressure with HEPA filtration, capturing what we dislodge rather than blowing it into your living space. After the cleaning, you get photos of the inside of your own ducts, not stock images.
Supply and Return Duct Cleaning
In Redwood Shores, return ducts that cross over attached garages are the highest-risk section of almost every original-village home. These pulls sit above foundation vents that breathe groundwater moisture into the chase. We clean both supply and return runs, but we pay particular attention to those garage crossovers and document them separately if they show moisture. If the flex duct liner is degrading, we will tell you, and we can repair or replace that section on the spot.

Video Inspection and Post-Cleaning Verification
We do not consider a Redwood Shores job finished until we have run the camera again and shown you the inside of the ducts we just cleaned. This is standard practice for us, and it matters here because the moisture problems in this community can hide behind a layer of dust. You see what we see. If a section is too far gone to clean, you will know before we quote a repair.

Trusted Brands We Service in Redwood Shores
Most Redwood Shores homes have builder-installed rigid metal or early flex duct, but a growing number of homeowners here have upgraded to higher-quality components from Honeywell, Aprilaire, and Abatement Technologies. We regularly work around Aprilaire filtration cabinets and Honeywell zone boards when cleaning these systems, and our team knows how to clean without damaging the sensors, dampers, or control wiring. Because we also handle Air Duct Cleaning in Redwood Shores repairs, we keep common replacement parts and sealants on the truck for this specific housing stock, which means fewer return trips when a cleaning exposes a damaged section.
Common Air Duct Cleaning Problems We See in Redwood Shores Homes
- Fog-season musty odor that returns every year. This is the Redwood Shores signature problem. Foundation vents in the original villages let salt-laden moisture into garage crossover chases, and the smell comes back until that run is sealed or replaced, not just cleaned.
- Condensation damage in unconditioned attics. The marine layer keeps attic air cool and damp for months. Metal ducts sweat, insulation gets wet, and early flex duct liners start to delaminate. Cleaning helps, but we document sections where replacement is the honest answer.
- Construction dust from constant remodeling. Redwood Shores has had near-continuous renovation activity since the 2000s. Drywall dust, paint overspray, and flooring debris end up in returns, especially in homes where the HVAC ran during the project.
- Clogged return grilles in two-story layouts. The upstairs bedrooms in these tract homes often have a single return sized for the original 1990s load. After years of filter changes and pet hair, that return becomes restricted, which strains the blower and pulls garage air through any chase leak. We see this on nearly every second-floor inspection.
See the difference
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After
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AfterPricing for Air Duct Cleaning in Redwood Shores, CA
For a typical two-story Redwood Shores home built between 1985 and 2005, expect to pay $450 to $900 for a full supply and return cleaning. Single-story homes on smaller footprints run $350 to $550. Commercial spaces in the office buildings along Marine Parkway usually run $1,200 to $3,500 depending on the number of rooftop units and the linear footage of duct. What changes the price in Redwood Shores specifically is whether we find moisture in a garage-crossover return. A cleaning that stays a cleaning is straightforward. A cleaning that uncovers a damaged section becomes a cleaning plus a repair quote, and you approve that repair before any work is done. Call (877) 824-3121 and Nelson or one of our techs will walk you through what your house actually needs. Estimates are free.
We Also Serve Cities Near Redwood Shores
Our service area covers Redwood Shores and the surrounding Peninsula communities. We work regularly in Foster City, where the lagoon-side homes have their own moisture patterns, as well as Redwood City, Atherton, and North Fair Oaks. Each area has slightly different housing stock and ductwork eras, and we adjust our inspection approach accordingly.
Serving Redwood Shores, CA – Our Local Coverage Area
We’re based in the Redwood Shores 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 Shores
If water sat inside the duct for more than a few hours, or if the insulation or flex liner is saturated, that section should be replaced, not cleaned. We make that determination with a camera inspection and moisture readings, not guesswork. For a garage-crossover return in a Redwood Shores original-village home, the wet section is often short and isolated, which means a partial replacement is sometimes possible. We document the damaged section with photos and moisture readings so you are not paying for a full re-pipe when a targeted fix is appropriate. Call (877) 824-3121 and we will inspect it before you spend anything.
Because the smell is usually coming from the garage-crossover return pulling salt-laden groundwater moisture through foundation vents, not from loose dust in the ducts. A standard cleaning removes what is inside the duct but does nothing to stop the moisture that keeps feeding the odor. On these original-village homes, the fix is sealing or replacing that garage-side chase and often installing a vapor barrier over the foundation vent opening. We have seen this exact pattern dozens of times in Redwood Shores, and it is rare in Foster City or San Carlos where the fill and water table are different. Call (877) 824-3121 for an inspection that finds the actual source.
Insurers accept claims when the evidence is documented in the format they expect, and that is what we provide. On a recent two-story Mediterranean in the Redwood Shores original villages, our tech found a return crossover above the attached garage reading damp on camera, with early flex duct collapsing under condensation and salt-laden moisture. We set negative pressure with HEPA filtration, ran agitation tools through the supply and return ducts, and sealed the garage-side chase, then documented the wet section with photos and moisture readings. The homeowner’s insurer approved a partial-replacement claim based on that file. So the answer is yes, when a contractor knows what the adjuster needs to see. We have been through enough of these Redwood Shores claims to know what that looks like.
Most of the time, it is worth cleaning first. The original rigid-metal supply runs in these Redwood Shores homes are generally sound, and even early flex duct often has another decade of service life if it has not been saturated. Cleaning lets us inspect the whole system and show you exactly what is in there, which is a better basis for deciding than a replacement quote from a contractor who has not looked inside. If we find sections that have failed, we will tell you which ones and why, and you approve any replacement before work starts. Call (877) 824-3121 to get a real inspection, not a sales pitch.
Yes. We clean commercial duct systems throughout Redwood Shores, including offices along Bridge Parkway, medical and dental spaces on Redwood Shores Parkway, and mixed-use buildings with shared rooftop units. The work is similar to residential cleaning but with more access coordination and more documentation. Property managers get a full report with before-and-after photos for each zone, which is what most lease agreements and health-compliance reviews ask for. Commercial jobs here typically run $1,200 to $3,500. Call (877) 824-3121 and tell us the square footage and number of units, and we will give you an honest range before we schedule anything.
Call for a Free Estimate in Redwood Shores
If your Redwood Shores home has that fog-season smell, or if your ducts have never been properly inspected, start with a camera. Call Nelson Abreu and the team at Duct Cleaning Union City at (877) 824-3121. We will inspect your system, show you what we find, and give you a flat price for the work before anything starts. No per-vent pricing, no add-on surprises, no bait-and-switch. Clean ducts, healthier air, done right.
Written by Nelson Abreu, Owner at Duct Cleaning Union City, serving Redwood Shores since 2015.