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.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
See the difference
Before
After
Before
After
Before
AfterHow Much Does Air Duct Cleaning Cost in Castro Valley?
Air duct cleaning in Castro Valley typically costs $350 to $750 for a standard single-family home, with most jobs landing near the middle of that range. Larger homes with multiple HVAC zones and long runs of flex duct usually fall in the $600 to $1,000 bracket, and add-on services like dryer vent cleaning run roughly $135 to $225 on their own. The written estimate sets the final price, and we give that estimate free before any work begins.
If you’ve just bought a house with ductwork of unknown condition, or your family has been sneezing more than usual, the price question is usually the first one. Here’s what actually drives the number in Castro Valley.
Air Duct Cleaning Cost Breakdown (2026)
Every quote comes down to how many vents, how much duct, and what shape the system is in. These are the typical ranges we see across Castro Valley homes this year:
| Line item | Typical price range | Notes |
|---|---|---|
| Base duct cleaning (up to 10 vents, single system) | $350 – $550 | Covers supply and return runs, register-to-register |
| Additional vents beyond 10 | $15 – $30 per vent | Most two-story Castro Valley homes have 12 to 18 |
| Second HVAC system / second zone | $150 – $275 | Common in additions and split-level layouts |
| Dryer vent cleaning (dedicated line) | $135 – $225 | Longer roof-route or second-floor runs cost more |
| Air duct repair (per section) | $75 – $600 | Depends on whether it’s re-sealing a joint or replacing flex run |
| Mild microbial treatment | $100 – $250 | Only when growth is actually found, not sold by default |
| Heavy debris or pest-nesting surcharge | $75 – $200 | Rodent droppings and construction debris add time |
| Air duct cleaning with the full-system add | $490 – $950 | Cleaning plus repair plus dryer vent in a single visit |
Notice the spread in that table comes from real physical differences, not sales tactics. A 1,400-square-foot ranch with eight registers and one short trunk line is a very different morning than a 1970s two-story with 16 vents, a finished attic chase, and a dryer vent that snakes up to the roof. The number of HVAC systems is the single biggest jump in cost. Castro Valley has its share of homes with a second unit for a converted garage or a rear addition, and that second unit is a second cleaning.
For a clearer picture of what the job itself involves in this town, our air duct cleaning page walks through the process step by step.
What Affects Air Duct Cleaning Pricing in Castro Valley
Six things move the number up or down. Read through them and you’ll have a good sense of where your own house will land before you call anyone.
- Vent and register count. Ten vents is the usual baseline. Every extra register adds time because each one gets agitation, extraction, and a wipe-down. A large two-story with 20 vents and three returns is going to cost more than a compact single-story with eight.
- Duct material and layout. Rigid sheet-metal duct cleans faster and more predictably than flexible runs, and long flex duct with sagging loops traps debris in the low points. Plenty of Castro Valley homes built in the 1950s and 1960s have been re-ducted at some point, so we routinely find a mix of the two, which takes longer to work through.
- System condition. Loose joints, disconnected flex runs, and collapsed sections are common enough in older homes. Cleaning a duct system that’s leaking pulls dirty attic or crawlspace air back in, so repair isn’t a separate upsell; it’s the completion of the job. That’s why air duct repair is part of what we quote.
- Pest activity. Rodent nesting and droppings in ductwork add handling and containment time. The East Bay’s warm, dry months mean attic spaces stay hospitable to vermin long into the year, and it comes up in more homes than people expect.
- Dryer vent as a separate line. If your dryer vent hasn’t been cleaned, it’s worth quoting at the same time. It’s a fire-risk item, not an air-quality extra, so we treat it as its own line with its own price. See our dryer vent cleaning service for what the work covers.
- Access. Attic-mounted equipment in a low, tight space or a crawlspace-only return path adds labor. We don’t charge for the customer’s comfort; we charge for the technician’s access time. It’s a real cost and we’d rather be upfront about it.
How We Clean vs. a Shop Vac and a Brush
The equipment behind a quote explains most of the price difference between cleaners. A truck-mount shop vac and a hand brush take the easy path through the duct, and whatever the brush loosens gets pulled with weak suction, so a portion of the loose debris either stays put or drifts back out into the room. That’s why we bring a professional stack to every Castro Valley job.
Rotobrush rotary brush systems agitate the duct surface to dislodge debris that suction alone won’t lift. Nikro HEPA-rated vacuums capture the loosened particulate so it doesn’t recirculate. Abatement Technologies units hold negative pressure on the system during the cleaning, so contaminants stay inside the containment and never re-enter your living space. Three pieces of equipment doing three different jobs, chosen because each covers a weakness in the other two.
The point of all this equipment isn’t a longer invoice. It’s that the job actually removes the debris instead of redistributing it, and that you can watch the process and ask questions while it’s happening. We’ll explain what we found in each run and show you the before-and-after on the register before we pack up.
Can You Clean the Ducts and Clean the Dryer Vent on the Same Visit?
Yes, and quoting both on one visit is usually cheaper than two separate appointments. Dryer vent cleaning runs $135 to $225 on its own; bundled into the same trip, you save the dispatch time on the second visit. The dryer vent is a fire-safety line item whatever the cleaning schedule is, and if your vent run is long, routed through the roof, or has been in place for years without a cleaning, it’s the one we’d suggest you don’t postpone.
We also separate the two jobs because they serve different purposes. Duct cleaning addresses indoor air quality and system efficiency. Dryer vent cleaning addresses lint accumulation, which is a fire risk. If you’re not sure whether your vent has ever been cleaned, mention it when you call and we’ll add it to the estimate.
How to Save on Air Duct Cleaning
A few practical moves tend to lower the bill more than any coupon ever does.
- Get the estimate before the truck rolls. Written estimates are free, and they mean the number doesn’t shift once the work starts. Everybody quotes the same way: count the vents, inspect the system, name the price.
- Bundle repair with cleaning. If your system has loose joints, fixing them during the same visit avoids a second trip and means the cleaning actually holds. Clean ducts are the start; sealed, intact ducts are the finish.
- Add the dryer vent while we’re there. One visit for the whole ventilation system is cheaper than two and gets the safety item done.
- Know your full vent count before you call. Ask us to verify it against our own count during the estimate, but knowing the figure going in helps you compare quotes fairly instead of guessing.
- Skip treatments you don’t need. If the ducts aren’t showing microbial growth, we don’t sell a treatment. That alone saves a couple hundred dollars over the “everything included” packages some outfits push.
- Fix leaks before they grow. A small disconnected flex run is a cheap repair now. Left alone, it pulls attic dust into the supply stream and turns a cleaning into a cleaning plus a repair.
Give us a call at (855) 382-9257 and we’ll put a written estimate in your hands at no cost. We answer 24/7, and fast dispatch runs 7am to 7pm, Sunday through Friday.
How Our Process Works in Castro Valley
Most Castro Valley jobs follow the same pattern. We start by inspecting the system and counting every register and return. Then we set up Abatement Technologies negative-pressure containment at the main trunk connection and work through the runs with the Rotobrush, pulling loosened material through the Nikro HEPA vacuum as we go. Supply runs, return runs, and registers each get their own pass. When we’re done, we walk the system and show you what came out and what we found in the runs.
If we hit a problem that changes the price, we stop and explain it before proceeding. Nobody wants a quote that grows legs halfway through the job.
Do you clean ductwork in older Castro Valley homes?
Yes. Homes built in the 1950s and 1960s are common in Castro Valley, and their ductwork is often the most interesting part of the job. Original rigid trunk lines with added flex branches are the usual pattern, and a lot of these systems have been modified over the decades for room additions, converted garages, or replaced furnaces. Duct connections at those transition points are where we most often find leaks.
We work with the system that’s actually there, not with a single cleaning method applied to everything. If a run needs repair, it gets repaired in the same visit so the cleaning holds. If you’d like the walkthrough on what a full-service visit looks like, the main duct cleaning Castro Valley page covers it in more detail.
Do you work with whole-home air quality systems?
Yes. A lot of homes in this town run inline filtration, humidifiers, or UV setups. We know the Honeywell, Aprilaire, and Guardsman lines well enough to understand how the ducts and the air handling equipment work together, which matters because a dirty coil or a clogged filter cabinet can undo a good duct cleaning within weeks. If something in the air-quality system is working against the ducts, we’ll tell you what it is and what it takes to correct.
FAQs – Air Duct Cleaning Cost
How much does air duct cleaning cost in Castro Valley?
Most Castro Valley homeowners pay $350 to $750 for a standard single-system home, with a typical two-story landing around $550 to $900. Homes with a second HVAC system or heavy debris at the top of that range. Reach us at (855) 382-9257 for an exact quote – estimates are free.
Is a $150 duct cleaning quote too good to be true?
Usually, yes. A $150 quote typically covers a partial pass with a shop vac and a brush, often with one register counted as a “system” and every additional vent added on-site at a higher rate. A proper full-system cleaning with rotary agitation and HEPA extraction takes more time and equipment than that price can cover. Get a written estimate in advance, and compare the scope, not just the number.
Does air duct cleaning cost more in an older home?
Often, yes, by roughly $100 to $300. Original 1950s or 1960s ductwork usually has more joints to inspect, a mix of rigid and flex runs, and a higher chance of pest nesting or loose connections. The extra cost comes from time, not from a made-up premium.
How much does dryer vent cleaning cost in Castro Valley?
Dryer vent cleaning typically runs $135 to $225 as a standalone service, and less when added to a duct cleaning visit. Long runs routed to the roof sit at the top of that range. Given that lint buildup in a dryer vent is a leading cause of residential structure fires, it’s worth doing on its own schedule. Call (855) 382-9257 and we’ll quote both the ducts and the dryer vent at the same time.
How much does air duct repair cost, and should I do it before or after cleaning?
Air duct repair runs $75 to $600 per section, depending on whether it’s re-sealing a joint or replacing a stretch of flex duct. The right order is to inspect first, then decide. If a run needs repair, doing it during the cleaning visit means the job is complete rather than half-done. Call (855) 382-9257 to schedule the free estimate; we answer 24/7 with fast dispatch from 7am to 7pm, Sunday through Friday.
What Happens When You Call
We answer the phone, ask a few questions about the house (square footage, vent count if you know it, whether the dryer vent is in the picture), and set up the free written estimate. When we arrive, we count the registers ourselves and walk the system. The estimate reflects what we find, and the written number is the price. If it turns out the ducts need repair, we quote that too, and you decide before we start.
Duct Cleaning Castro Valley has been doing this work since 2012. Dryer vents, duct cleaning, and duct repair under one roof, with the Rotobrush and Nikro and Abatement equipment that makes the difference. Call (855) 382-9257 for your free estimate. We answer 24/7, and fast dispatch from 7am to 7pm, Sunday through Friday.
Pricing reflects the Castro Valley market as of 2026. Duct Cleaning Castro Valley offers free estimates – call (855) 382-9257.
What Our Customers Say
"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Malik Nash"Fast, fair, done right. No notes."
- Gilbert Rodriguez"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Luis Hernandez