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 San Mateo
Air duct cleaning in San Mateo typically costs $450 – $900 for a full residential system, depending on home size, number of returns, and whether the ducts run through a crawl space. Most jobs take 3 – 6 hours. If you’re in Baywood, Aragon, Shoreview, or anywhere else in San Mateo, call (951) 527-6259 and we’ll give you a written price before any work starts.
We know San Mateo homes. The 1950s rancher off Alameda de las Pulgas with original galvanized ducts, the 1970s two-story near Hillsdale with flex runs that have sagged and separated. Different houses need different approaches, and a duct cleaning crew that treats every San Mateo home the same is going to miss what’s actually wrong. Our Air Duct Cleaning team deals with these systems daily.
Why Linden Air Duct San Francisco Is San Mateo’s Preferred Air Duct Cleaning Company
San Mateo homeowners call us because we tell them exactly who is coming to their door before the visit. Every technician is background-checked, identity-verified, and arrives in a clean, marked uniform. You get the tech’s name and photo sent to you before arrival, and they show a photo ID badge at the door. That’s the Threshold Standard, and it’s been our operating rule since 2004 as part of the Threshold Group family.
We’re not the cheapest duct cleaner in San Mateo, and we’re not trying to be. We’re the company that puts the price in writing before work begins, covers every repair with a written guarantee, and comes back free if a covered repair doesn’t hold. That’s the 365-Day Done Right Promise. Our phones are answered by a live person 24/7, so when you call (951) 527-6259, you’re talking to a real human who can answer questions about your system.
Marcus Veale leads our team, and he’s built our reputation in San Mateo on showing up prepared. We don’t send a technician to your home without knowing the house’s age, its likely duct configuration, and what to look for in the crawl space. That local knowledge matters when the real problem is a crushed return line under a pier-and-beam foundation, not just dust in the registers.
Styles & brands we work with
Ductwork Cleaning in San Mateo
Ductwork cleaning in San Mateo means removing the debris that’s been accumulating in your supply and return lines since the house was built, and in a 1960s Aragon home, that can be sixty years of dust, pet hair, construction debris, rodent droppings, and rust particles from corroding galvanized steel. Our negative-pressure extraction system with agitation tools pulls material from the full duct run, not just the visible register openings.
We run professional Rotobrush and Nikro equipment, and every cleaning includes a video inspection before and after so you can see exactly what was in your ducts and what they look like when we’re done. In San Mateo’s older homes, that inspection often reveals problems the homeowner didn’t know existed. Crushed runs, disconnected sections, rust holes. We document everything and show you the footage.
Full System Cleaning
A full system cleaning covers supply ducts, return ducts, the plenum, and the registers. We don’t just vacuum the visible openings. We access the trunk lines, often through the crawl space in pier-and-beam homes, and remove debris at the source.
Supply and Return Duct Cleaning
Supply ducts push conditioned air into your rooms; return ducts pull air back to the furnace. Both accumulate debris, but returns often collect more because they carry unfiltered air from the living space. We clean both, separately, and verify airflow with a before-and-after inspection.
Air Duct Inspection in San Mateo
Air duct inspection in San Mateo is a video camera walkthrough of your entire duct system, and it’s the only way to know what’s actually inside your ducts without cutting into walls. We offer this as a standalone service for homeowners who want to understand their system before committing to a cleaning, and we include it with every full cleaning job.
In San Mateo’s mid-century homes, the inspection routinely finds things that surprise people. In a 1960s Aragon home, our camera found galvanized supply ducts crushed under the crawl space and rodent debris in the return runs. That’s not uncommon in Baywood, Aragon, and the older streets off El Camino Real where pier-and-beam foundations and original ductwork are the norm. We used negative pressure and agitation tools for source removal, then sealed the damaged sections and installed new registers to restore airflow and indoor air quality.
Video Inspection Reports
We give you a written summary of what the camera found, with still images of problem areas. You’ll know if your ducts are leaking, crushed, disconnected, or contaminated before you spend money on a cleaning that might not fix the real issue.
Post-Cleaning Verification
After the cleaning, we run the camera again and show you the same sections from the before footage. You see the difference with your own eyes, not just a receipt that says “cleaned.”
Trusted Brands We Service in San Mateo
We clean and maintain ductwork in San Mateo homes regardless of the original equipment manufacturer, and we’re experienced with the systems most common in the area. That includes older galvanized steel ducting from the 1940s through 1970s, newer flexible ducting in Hillsdale and Shoreview homes, and everything in between. We run Rotobrush and Nikro professional cleaning equipment, and we work with air-quality products from Aprilaire and Abatement Technologies for homeowners who want filtration upgrades after a cleaning. Our Air Duct Cleaning in San Mateo crews keep common parts stocked so repair work can happen the same day when needed.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in San Mateo Homes
- Rodent intrusion in crawl-space ducts. Pier-and-beam foundations in Baywood and Aragon leave ducts accessible to rats and mice. We regularly find droppings, nesting material, and chewed flex duct in these homes, which requires source removal and sealing, not just a quick vacuum.
- Crushed or disconnected galvanized steel runs. In homes built between the 1940s and 1970s, original steel ducts under the house often get crushed by years of workers and animals moving through the crawl space. The furnace keeps running, but rooms stay cold or hot because the air never arrives.
- Rust and corrosion inside aging ducts. San Mateo’s foggy summers and mild winters mean ducts don’t dry out as quickly as they do in drier climates. Galvanized steel corrodes over decades, and aggressive agitation during a cleaning can dislodge those rust particles if proper HEPA filtration isn’t used. We filter everything at the source.
- Fine particulate buildup from dry summers. San Mateo’s summers are dry and occasionally windy, which pushes dust and fine particulate matter into homes. Without extreme cold, heating systems sit idle for long stretches, and that dust settles inside ducts and stays there until the system kicks on again.
Pricing for Air Duct Cleaning in San Mateo, CA
A typical single-family home in San Mateo with one furnace and 8 – 12 vents runs $450 – $700 for full system cleaning. Larger homes in San Mateo Park or Baywood with multiple returns, second floors, or crawl-space access challenges run $700 – $900. Homes with heavily contaminated ducts from rodent intrusion or construction debris may run higher depending on what the inspection reveals. Commercial duct cleaning in San Mateo office or retail spaces typically starts around $900 and goes up based on duct volume and access. You get a written price before any work begins, and that’s the price you pay. No per-vent upcharges, no surprise additions after the van is in your driveway. Call (951) 527-6259 for a free estimate, and we’ll tell you what your system needs and what it costs.
We Also Serve Cities Near San Mateo
Our crews regularly work in Burlingame, South San Francisco, Redwood City, and Pacifica. If you’re just outside San Mateo, call (951) 527-6259 and we’ll confirm coverage for your address.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 San Mateo
We seal off the registers inside the home and run negative-pressure equipment from the main trunk, which pulls air and debris out of the ducts and through HEPA filtration before it exits. The crawl space access point is the only opening, so nothing gets blown back into your living areas. For homes in Baywood and Aragon with crawl-space ducts, we often access the runs from underneath, clean source-side, then seal any openings where rodents or dust got in.
If your home has a crawl space and the ducts have never been inspected from underneath, there’s a good chance you have debris or damage you can’t see from the registers. Call (951) 527-6259 and ask about a video inspection before the cleaning. It’s included with every full job.
Yes. We repair crushed galvanized sections, reconnect separated flex runs, and seal gaps in the ductwork we find during the cleaning. Every repair is covered by our written guarantee, and if a covered repair fails within 365 days, we come back free of charge. That’s our 365-Day Done Right Promise, and it applies to every repair we make in San Mateo.
Repair costs are quoted separately from the cleaning, in writing, before we start. You’ll know exactly what it costs to put the system right. Call (951) 527-6259 for an exact quote on your system.
Yes, and for a specific reason: ducts accumulate debris whether or not the system runs consistently. In San Mateo’s mild climate, furnaces sit idle for months, and dust, pet dander, and pest debris settle inside the ductwork and stay there. When the system does run, that material blows into your living space. If your home has a crawl space with pier-and-beam construction, the risk of rodent intrusion and contamination is higher even when the system is off.
An inspection will tell you whether cleaning is needed. It’s the only way to know what’s actually in there. Call (951) 527-6259 to schedule one.
Source removal means removing debris from inside the full duct run, not just the visible opening at the register. Vacuuming a register pulls a small amount of surface dust from the first few inches of the duct. It leaves the trunk lines, return runs, and crawl-space sections untouched. In San Mateo homes with aging galvanized steel or flex ducting, the majority of the debris is deeper in the system, and that’s what gets blown into your air when the furnace cycles.
Source removal uses negative-pressure extraction and mechanical agitation at the trunk level to pull material from the entire system. It’s the difference between cleaning the visible part and cleaning the whole thing. Call (951) 527-6259 for a written quote on full system cleaning.
Cleaning removes organic material inside the ducts that holds the smell, like rodent debris, dead insects, and decades of dust. But if the musty odor is coming from the crawl space itself, the ducts will reabsorb it over time. We’ll tell you honestly which problem you have after the inspection. If cleaning is the right fix, we’ll do it and verify the result. If the crawl space needs sealing or encapsulation, we’ll recommend that instead of selling you a cleaning that won’t solve the problem.
Every job gets a written price and a written guarantee. We never upsell you into work you don’t need. Call (951) 527-6259 and describe the smell to our team. We’ll tell you what’s likely going on before we even book the visit.
Written by Marcus Veale, Owner at Linden Air Duct San Francisco, serving San Mateo and the surrounding Bay Area since 2004.