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 is a different job than it is in newer Bay Area cities. Most homes here were built between the 1940s and 1970s, and many still run on their original sheet-metal ductwork, now loose at the seams, crushed in low-clearance attics, or patched with tape that gave up years ago. The marine-influenced climate adds its own problem: cool, damp winters push condensation into poorly insulated attic ducts, which quietly degrades joints and invites mold. We run professional Rotobrush and Nikro cleaning systems, but we repair what those tools uncover rather than cleaning around it. Call (833) 589-9902 to talk through what your system needs.
Why San Leandro Homes Are Different
San Leandro’s housing stock tells you most of what you need to know about its ductwork. The sprawling single-story ranchers that fill 94577 and 94578 went up fast in the postwar decades, and the original installers often ran rigid galvanized ducts through attics with only 18 to 24 inches of clearance. That leaves long runs of shallow, wide ducting that sags between supports and separates at taped joints. Decades of owners climbing through those attics, storing boxes, or pulling a run aside to run a cable have left sections crushed or disconnected. Homes that were remodeled often gained flex-duct branches, and those are the first things to kink, tear loose, or collapse entirely.
The climate does not make it easier. San Leandro sits in a mild zone, but the cool, damp winter months mean attic ducts that are not well insulated sweat from the outside in. That moisture weakens tape, rusts steel collars, and creates the conditions for biological growth inside the duct liner. By summer, the hills to the east release pollen and fine dust that the return side of the system pulls in and deposits along every wet, rough surface. The result is a duct system that leaks conditioned air into the attic, draws in whatever is floating around up there, and recirculates it through the house.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main San Leandro Services
Most San Leandro homeowners call us first about one of two things: air that smells or feels stale, and a dryer that is not drying. Both point back to the same invisible infrastructure.
Air Duct Cleaning in San Leandro
San Leandro’s older ducts collect a specific mix: fine pollen from the East Bay hills in summer, and a damp, musty film from winter condensation. A thorough cleaning uses negative-air equipment attached to the main trunk while Rotobrush agitation works each branch, so debris loosens and gets pulled to the collection point instead of blowing into the room. We inspect the whole system as part of the job, because in these homes the cleaning often reveals ducts that are disconnected or crushed. You can read the full breakdown on our dedicated Air Duct Cleaning in San Leandro page.
Dryer Vent Cleaning in San Leandro
Lint builds up fast in the long, shallow dryer runs common to San Leandro ranchers, especially where the vent exits through a low-pitch roof instead of a nearby wall. The damp winter air makes lint sticky, so it clings to the pipe walls and forms blockages that force the dryer to run longer and hotter. We run rotary brushes through the full run to the exterior termination and verify airflow at the vent cap before we finish. For the full scope of this work, see Dryer Vent Cleaning in San Leandro.
Air Duct Repair in San Leandro
Air duct repair in San Leandro usually means fixing what decades of time, tight attics, and past shortcuts have done to the original system. The postwar ranchers were built with sheet-metal ducts that have now been through seventy or eighty years of expansion, contraction, and condensation, so loose joints and sagging runs are the norm. Where remodelers added flex-duct branches, those often twist, kink, or pull free because they were never properly supported. The repair is not about making a dirty system clean. It is about making a leaking, disconnected system whole again so the air you already pay to heat or cool actually reaches the rooms it is meant for. That is the work behind Air Duct Repair, and it is what we do most often in San Leandro’s older tracts.
HVAC Duct Installation
Signs you need it
Rooms that never reach the thermostat setpoint, whistling or rushing air from vent openings, or visible runs of disused, collapsed duct in the attic after a remodel all point toward installing new duct runs.
What it costs in San Leandro
Budget $325 to $550 per duct run installed in a typical San Leandro attic, with the written estimate covering the exact length, diameter, and support work needed.
How we do it
We size the replacement run to the existing system’s static pressure, cut and seal each connection with mastic rather than tape, and support the run so it cannot sag against attic surfaces or kink at bends.
Air Duct Replacement
Signs you need it
Rusted or collapsed metal sections, insulation that has fallen away, or flex duct with crushed or torn inner liners means the section is past repair and needs replacing.
What it costs in San Leandro
Expect $350 to $600 per section replaced, depending on whether the section is sheet metal in a tight attic or flex duct that can be pulled through in a single continuous run.
How we do it
We remove the failed section back to clean, solid material, fit the new section with mechanical fasteners and mastic-sealed joints, and test the run for air leakage before re-insulating it.
Ductwork Repair
Signs you need it
Dust streaks around vent covers, a musty smell at startup, or a system that runs constantly while some rooms stay noticeably warmer or cooler than others suggests leaks and disconnections.
What it costs in San Leandro
We scope most repairs at $190 to $350 per opening, which covers sealing the boots, reconnecting separated runs, and closing gaps at collars and branch takeoffs.
How we do it
We locate each leak with the system running, reconnect separated sections, seal joints with mastic, and replace or repair the boot connection at every affected register.
What Air Duct Repair Costs in San Leandro
| Item | Typical range in San Leandro |
|---|---|
| Inspection and leak assessment | $120 – $230 |
| Ductwork repair per opening | $190 – $350 |
| Replacement per section | $350 – $600 |
| New duct run installed | $325 – $550 |
Can you repair ducts in a low-clearance San Leandro attic?
Yes. Those 18-to-24-inch attics are common around the BART corridor and downtown, and the work is slow but routine. We send technicians who can reach the affected runs and seal connections while lying flat, which is why the inspection fee covers access difficulty.
Do I need a permit for duct repair in San Leandro?
Most duct repair and replacement work does not require a permit from the City of San Leandro, but adding entirely new branch runs may. We can confirm what your specific job triggers and advise before any work is scheduled. Call (833) 589-9902 and we will walk through it.
Brands We Service in San Leandro
Most San Leandro homes pair their duct system with equipment from Honeywell or Aprilaire, especially when an owner has added filtration or humidity control over the years. We work with and install both brands, and we can source parts quickly for our brands so a repair does not stall waiting on a component. When a home needs more than basic cleaning, Abatement Technologies filtration equipment lets us handle higher-intensity jobs, and Guardsman components appear in a number of local systems where previous owners upgraded selectively.
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 |
|---|---|
| Air duct cleaning (whole home) | $450 – $900 |
| Air duct cleaning (single system with 8 – 12 vents) | $450 – $850 |
| Air duct cleaning with sanitizer | $750 – $1,300 |
| Dryer vent cleaning | $150 – $300 |
| Dryer vent replacement or repair | $240 – $420 |
| HVAC duct installation (per run) | $325 – $550 |
| Air duct replacement (per section) | $350 – $600 |
| Ductwork repair (per opening) | $190 – $350 |
| Inspection and leak assessment | $120 – $230 |
Two things push cost up in San Leandro more than anything else: attic clearance, and what past remodels left behind. When runs sit in 18 inches of crawlspace, every foot of access takes longer, and when flex-duct branches have been added badly, we often have to correct those connections before we can clean or test the system. The price we quote is the price you approve before work starts, set in a written estimate, with no per-vent add-ons and no surprise scope creep.
Neighborhoods We Serve in San Leandro
We work throughout San Leandro, from the older tract homes around the downtown and BART corridor to the quieter ranch streets that spread across the flats. Most neighborhoods are a short drive from Hayward, so scheduling is straightforward.
- Downtown San Leandro
- Estudillo Estates
- Washington Manor
- Bay-O-Vista
- Davis Tract
Service Area – Cities Near San Leandro
Beyond San Leandro, our service area covers the neighboring East Bay communities. We regularly work in Castro Valley, CA, where the hillside homes have their own duct challenges, and across the flatlands in Hayward, CA. Homeowners on the island in Alameda, CA and across the estuary in Oakland, CA also call us when a system starts underperforming.
Serving San Leandro, CA – Our Local Coverage Area
We serve San Leandro and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning Company in San Leandro
We answer 24/7 and dispatch crews from 7am to 7pm, Sunday through Friday. A call outside dispatch hours is booked into the next opening, and we can often reach San Leandro homes the same day you call. Call (833) 589-9902.
Most San Leandro HOAs do not regulate interior ductwork, but some may require approval before roof vent caps are changed or new exterior terminations are added. If you have an HOA, check the exterior work rules before we arrive, and we will match the repair to what is allowed.
Who is Duct Cleaning Hayward and why do they serve San Leandro?
Duct Cleaning Hayward is a duct and vent specialist running professional Rotobrush and Nikro equipment, with air quality component support from Honeywell and Aprilaire. San Leandro’s older housing stock fits the kind of repair-heavy ductwork we see every week, so supporting this city is a natural part of our East Bay service area.
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
"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Vivian Nguyen"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Steven Tran"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Andre Whitfield