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.
Air Duct Cleaning Company in San Leandro, CA
Air duct repair in San Leandro usually means fixing what decades of Bay air and original 1940s – 60s ductwork have quietly undone: leaking seams, collapsing flex runs, and return paths that pull dirty attic air into living spaces. Hallmark Air Duct Cleaning has served San Leandro since 2011, and we approach every job by matching professional-grade equipment to the specific type of ductwork in your home, whether it’s original galvanized metal in a flatland rancher or longer flex runs in a hillside attic. The goal is clean ducts, sealed ducts, safer home. Call (833) 467-6681 for a free estimate.
Why San Leandro Homes Are Different
San Leandro’s housing stock splits sharply along its east-west divide, and that divide changes the ductwork we encounter. The flatlands west of Bancroft Avenue, covering 94577, are dominated by pre-war and postwar bungalows and small stucco ranchers built between the 1920s and 1950s. Many of these homes still have original galvanized sheet-metal ducts with taped joints that shed debris at every seam. Around downtown San Leandro, it’s common to find 1940s – 50s octopus-style or early forced-air systems where decades of accumulated dust, old tape adhesive, and rust scale have settled inside the runs.
The hillside tracts in 94578 and 94579 tell a different story. Homes from the 1960s and 70s typically have longer duct runs, often through attics that bake under the East Bay sun. The marine-influenced flatlands get damp, foggy winters that promote dust-mite and mold conditions inside ducts, while the warmer hills push attic systems through bigger temperature swings. Add detached garages that feed long return runs, and you get a city where no two duct systems behave the same way. Duct cleaning here is less about one uniform housing type and more about reading which side of town you’re in.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main San Leandro Services
San Leandro homeowners call us most often about two services: the full air duct cleaning that removes what’s accumulated inside the system, and dryer vent cleaning that treats a lint-clogged vent as what it is: a fire-risk checklist item. Each service gets the right equipment for your specific system.
Air Duct Cleaning in San Leandro
Older flatland homes in 94577 often have galvanized ducts that haven’t been opened since the Eisenhower administration, while hillside homes in 94578 and 94579 contend with longer attic runs that collect dust from bigger temperature swings. Our Air Duct Cleaning in San Leandro service starts with an inspection of your duct type and contamination level, then matches the extraction system to what we find: Rotobrush rotary-brush equipment for metal ducts with caked-on debris, or Nikro industrial extraction for longer flex runs. Abatement Technologies negative-air and HEPA-filtration equipment contains what we dislodge, so contaminants are captured, not recirculated through your home.
Dryer Vent Cleaning in San Leandro
A dryer vent isn’t a minor chore, it’s a fire-risk checklist item. San Leandro’s older homes often route dryer vents through crawlspaces or exterior walls with multiple elbows that trap lint, and the damp flatland air can compact that lint into a dense, stubborn blockage. Our Dryer Vent Cleaning in San Leandro service treats this as a dedicated fire-safety job, not a filler add-on. We clean the full vent run from the dryer to the exterior termination, clear the lint trap area, and flag any vent configuration that could be a problem. It’s the kind of work that property managers and landlords across San Leandro request annually for tenant-occupied units.
Air Duct Repair in San Leandro
San Leandro’s older flatland homes frequently have original galvanized ductwork with taped joints that have failed over decades of Bay humidity and temperature cycling. Ducts leak at every seam, pulling attic or crawlspace air into the system and wasting conditioned air. In 94578 and 94579, longer attic flex runs can sag, crush, or separate at connections, especially after decades of summer heat. When we repair ducts, we don’t just patch the obvious tear, we address the root cause of the leak so the system stays sealed. Hallmark Air Duct Cleaning offers Air Duct Repair in-house, which most cleaning-only competitors don’t. The right repair can improve airflow, lower utility bills, and stop recontamination at the source.
Air Duct Replacement
Signs you need it
Ducts with rust perforation, collapsed flex runs, or joints that have separated beyond sealing need replacement rather than repair.
What it costs in San Leandro
Full duct replacement in a San Leandro home typically runs $1,800 – $4,500 depending on home size, duct length, and attic access complexity.
How we do it
We remove failed duct sections, size new galvanized or flex duct to match your system’s airflow requirements, and seal every connection with mastic and aluminum tape.
Ductwork Repair
Signs you need it
Rooms that never reach temperature, visible dust streaks near vents, or a utility bill creeping upward are classic signs of leaky ductwork.
What it costs in San Leandro
Isolated duct repairs in San Leandro typically range $300 – $1,200 depending on how many sections need sealing and how hard the attic is to access.
How we do it
We locate leaks with a visual and pressure inspection, then seal seams with mastic, replace damaged sections, and verify airflow at each register before we leave.
What Air Duct Repair Costs in San Leandro
| Item | Typical range in San Leandro |
|---|---|
| Isolated duct repair | $300 – $1,200 |
| Partial duct replacement | $800 – $2,500 |
| Whole-system replacement | $1,800 – $4,500 |
Homes in 94577 with original 1940s – 50s ductwork often fall at the higher end of repair pricing because multiple seams and junctions need attention at once. Hillside homes in 94578 and 94579 with long attic runs can push replacement costs up when access is tight and duct runs are extensive.
How long does air duct repair take in San Leandro?
Isolated repairs usually take two to four hours, while whole-system replacement is typically a full day or two depending on access.
Do I need a permit for duct repair in San Leandro?
Most duct repair and replacement work performed inside conditioned or unconditioned spaces doesn’t require a permit, but scope changes that alter system design may.
Brands We Service in San Leandro
We service and integrate equipment from Honeywell and Aprilaire, and our extraction systems include Rotobrush, Nikro, and Abatement Technologies. We also use Guardsman products for duct sealing. Common parts are stocked in our vehicles, so most San Leandro repair jobs finish same-visit. See our brands for details.
See the difference
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After
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AfterPricing for Air Duct Cleaning Company in San Leandro, CA
| Service | Typical range in San Leandro |
|---|---|
| Whole-home air duct cleaning | $450 – $1,100 |
| Single furnace system cleaning | $350 – $700 |
| Dryer vent cleaning | $150 – $350 |
| Isolated duct repair | $300 – $1,200 |
| Partial duct replacement | $800 – $2,500 |
| Whole-system duct replacement | $1,800 – $4,500 |
| Air duct sanitizing add-on | $200 – $500 |
San Leandro pricing pushes upward when homes have original flatland galvanized ductwork with multiple leaking seams or when hillside attic access is tight and runs are long. Hallmark Air Duct Cleaning gives you one flat price per system before work starts, so there’s no per-vent math and no surprise invoice when the van pulls up.
Neighborhoods We Serve in San Leandro
We work across all of San Leandro, from the 1920s bungalow blocks near downtown to the mid-century hillside tracts above the city. Response time across the city is typically one to three business days for scheduled service.
- Downtown San Leandro
- Bancroft neighborhood
- Estudillo Estates
- Washington Manor
- Bay-O-Vista hillside homes
Service Area – Cities Near San Leandro
Hallmark Air Duct Cleaning serves San Leandro and the East Bay cities nearby. We schedule regular routes through Castro Valley, CA, Hayward, CA, Alameda, CA, and Oakland, CA, so availability stays consistent even when we’re not in San Leandro every single day.
Serving San Leandro, CA – Our Local Coverage Area
We’re based in the San Leandro 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 Company in San Leandro
We schedule San Leandro service calls within one to three business days for most jobs. Call (833) 467-6681 for a free estimate and we’ll give you an exact date window.
Most San Leandro HOAs don’t regulate interior duct cleaning or repair, but if your furnace or access points are in shared walls or a common attic, check your HOA’s rules first. For single-family homes, no special approval is typically needed.
We cover all three San Leandro ZIP codes: 94577, 94578, and 94579. That includes the flatlands, the hillside tracts, and everything in between.
Need a specific answer about your San Leandro ducts? Call (833) 467-6681 for a free estimate, and we’ll tell you exactly what you’re looking at 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 San Leandro Customers Say
"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Danielle Delaney"Did the dryer vent while they were here for a small add on price. The dryer now finishes a load in one cycle instead of two."
- Simone Ellison"Told me straight that our ducts were in decent shape and didn't need doing every year like the mailer companies claim."
- Tim Quinn