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 Air Duct Cleaning Across San Mateo
Air duct cleaning in San Mateo costs between $389 and $749 for a full residential system, depending on home size, duct condition, and whether you need repair work included. Most jobs in San Mateo are completed in four to seven hours. If you live in a 1920s bungalow off El Camino Real or a 1960s tract home near Hillsdale, the ducts in your home have probably been collecting dust, soot, and moisture-driven debris for decades. We know San Mateo’s housing stock because we work in it every week. Call (833) 620-7085 to schedule a camera inspection and get a flat quote before any work begins.
Key Takeaways
- Full-system residential cleaning in San Mateo runs $389 – $749, quoted as one flat price before work starts.
- Older San Mateo homes with original sheet-metal ducts often need repair and sealing, not just a vacuum pass.
- We use HEPA negative-air containment so debris doesn’t recirculate into your living space during cleaning.
- A camera inspection comes first on legacy duct systems, especially in 94401 and 94402.
Why Air Duct Cleaning Palo Alto Is San Mateo’s Preferred Air Duct Cleaning Company
San Mateo homeowners call us because the work actually gets done right. Not sprayed. Not fogged. Removed at the source. Our Air Duct Cleaning team runs Rotobrush contact-cleaning heads paired with Nikro HEPA negative-air machines. That combination is what commercial abatement crews use, and we bring it into your San Mateo home. Neal Drummond built this company around a simple idea: show the homeowner what’s inside their ducts, remove it, and prove it with before-and-after photos. No scare tactics. No mystery pricing.
We work in San Mateo nearly every week. Homes in 94401 and 94402, the downtown grid, Hayward Park, and the streets west of El Camino Real. Homes toward 94404 by Foster City. The job is the same everywhere: find the debris, contain it, remove it.
San Mateo residents don’t need a company that treats duct cleaning like a 45-minute vacuum job. They need someone who understands what’s actually inside old Peninsula ductwork. When we quote a price, it’s the whole system, one number, agreed before we start. That’s how you avoid the bait-and-switch pricing that this industry is known for.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Inspection in San Mateo
An Air Duct Inspection in San Mateo is our starting point on nearly every older home. Before any brush or vacuum is deployed, we run a camera through the supply and return runs to see what’s actually there. In San Mateo, that’s not a formality. Homes built between the 1920s and 1950s, especially near downtown and Hayward Park, often still have their original sheet-metal ducts. Some have sagging sections. Many have joints that were taped decades ago and have since failed. A few still connect to octopus gravity furnaces that were never designed for a modern blower. An inspection costs $149 as a standalone service, and it’s credited toward the cleaning when you proceed.
Camera-First Assessment
The camera shows us disconnected joints, soot build-up, and sections of duct that have pulled apart. We don’t guess. We look. On a 1948 bungalow off Hayward Park, our techs found an original octopus furnace feeding short, soot-caked supply ducts with taped joints that had never been sealed. That inspection changed the entire scope of the job.
When San Mateo Homeowners Need One
If your home was built before 1970 and you’ve never had the ducts assessed, you need one. If you notice dust returning to registers within days of cleaning, you need one. If your blower motor sounds like it’s pushing against a wall, you need one. A failed duct joint doesn’t just leak conditioned air; it pulls crawlspace dust, insulation fibers, and marine air moisture directly into your breathing space.
Residential Air Duct Cleaning in San Mateo
Residential Air Duct Cleaning in San Mateo means something different than it does in a newer city like Foster City or Redwood Shores. Here, the ducts are older, often rigid metal, and they carry decades of accumulated soot, dust, and salt-laden particulate from the coastal air. We run our Rotobrush contact-cleaning system through every supply and return run, while a Nikro HEPA negative-air machine keeps the entire system under negative pressure. That’s the critical part: debris gets pulled out of the duct and into a HEPA-filtered containment unit, not blown into your living room. A typical San Mateo home runs $389 – $749 depending on square footage and the number of supply runs.
Legacy Duct Systems
Homes in 94401 and 94402 often have rigid sheet-metal ducts that were installed before forced-air filtration was standard. Cleaning them with consumer-grade equipment doesn’t work. The Rotobrush head reaches into corners where decades of compacted dust have hardened. In some San Mateo homes we find soot from original wall furnaces that predate central HVAC.
Post-Cleaning Verification
After cleaning, we run the camera again so you can see the result. You get before-and-after photos of your own ducts. Not stock photos. Not a filter we changed. Your actual ductwork. If a section is damaged or disconnected, we’ll show you and quote the repair separately. That’s the difference between a cleaning and a real solution.
Trusted Brands We Service in San Mateo
We work on whatever San Mateo homes have, but our equipment is built around a few brands we trust. Rotobrush for contact cleaning. Nikro for HEPA negative-air containment. And when San Mateo customers want better filtration after the ducts are clean, we install and service Honeywell and Aprilaire media filters and air cleaners. A clean duct system with a bad filter just fills back up. We stock common Aprilaire and Honeywell replacement media locally, which means faster turnaround for San Mateo customers who don’t want to wait on a shipped part. We also use Abatement Technologies containment products in our process because the standard for professional remediation is the same standard we hold for your ductwork.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in San Mateo Homes
- Failed taped joints on legacy sheet metal. Original tape dries out, cracks, and falls off. The result is leaks that pull crawlspace air into the ducts. We find this in nearly every pre-1960 San Mateo home we inspect.
- Soot-lined plenums from wall and floor furnaces. Homes that once used gravity furnaces or wall heaters often have short, soot-coated plenums that were never cleaned when central HVAC was installed. A standard duct cleaning misses them entirely.
- Marine air corrosion and moisture. Salt-laden air from the Bay accelerates corrosion on metal ducts, especially in crawlspaces. Humidity cycles push moisture into the duct walls. That’s why spring cleaning and post-winter checks are the rhythm in San Mateo, not a once-a-decade event.
- Fogging or sanitizer upsells that did nothing. We hear this a lot: a previous company sprayed a fogging agent into the ducts and claimed it cleaned them. Fogging mists a chemical without removing the source material. The soot, dust, and moisture-trapping debris stay exactly where they were. You paid for chemistry, not cleaning.
Pricing for Air Duct Cleaning in San Mateo, CA
We quote one flat price for the entire system before any work starts. No per-vent pricing. No surprise add-ons. For San Mateo homes, full residential duct cleaning ranges from $389 for a smaller single-story home to $749 for a larger two-story system with multiple returns. Duct repair is quoted separately only if the camera inspection finds damage. Air Duct Inspection runs $149 and is credited toward your cleaning if you proceed. The price reflects what’s actually involved: HEPA containment, contact cleaning, camera verification, and time spent on a real job. Call (833) 620-7085 for an exact quote. Estimates are free.
We Also Serve Cities Near San Mateo
Our service area includes the cities surrounding San Mateo, and we work regularly in Foster City, Belmont, San Carlos, and Woodside. If you’re in one of those communities and have older ducts or a system that’s never been properly cleaned, call the same number: (833) 620-7085.
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
Because many homes in 94401 and 94402 still have original sheet-metal ducts connected to octopus gravity furnaces that were never designed for modern forced-air systems. These systems hide disconnected joints, soot-lined plenums, and failed sections that a vacuum alone won’t reveal. A camera inspection shows exactly what you’re dealing with before any cleaning begins. Call (833) 620-7085 to schedule an inspection.
Yes, it does. The combination of cool, humid marine air, salt moisture, and organic debris inside ducts creates conditions where microbial growth takes hold faster than in drier inland cities like San Carlos or Woodside. HEPA negative-air cleaning removes the organic matter that feeds mold. Fogging doesn’t. If you suspect mold in your San Mateo ducts, call (833) 620-7085 and we’ll inspect the system.
Source removal physically removes dust, soot, and debris from the duct walls using contact cleaning and negative air pressure. Fogging mists a chemical inside the ducts without removing anything. The debris stays. The odor may be masked temporarily, but the source remains. You’re paying for real equipment with source removal. Call (833) 620-7085 for a flat quote.
Older rigid metal ducts in 1920s – 1950s San Mateo homes take longer to clean properly. They often need lower pressure to avoid dislodging taped joints, and they frequently require sealing work afterward. That’s why our San Mateo jobs range $389 – $749 rather than the cheaper rates you’ll see advertised for newer tract homes. Cheap rates are usually a shop vac and a filter change. Call (833) 620-7085 and ask about our flat system pricing.
Yes. Many older San Mateo homes still have wall or floor furnaces feeding short, soot-prone plenums. We inspect and clean those ducts too. The camera goes in first to check the condition of the metal and the joints. If a furnace is original, we’ll tell you what’s safe to clean and what needs repair before cleaning. Call (833) 620-7085 to discuss your system.
Written by Neal Drummond, Owner at Air Duct Cleaning Palo Alto, serving San Mateo since day one.