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 Castro Valley
Air duct cleaning in Castro Valley runs $480 – $920 for a typical single-family home, and the job includes full negative-pressure extraction from every supply and return register back to the air handler. We serve all of Castro Valley, from Jensen Ranch up the hill to the flatter streets off Lake Chabot Road, and our techs know exactly what they’ll find when they open your register covers. If you want a written price before anyone starts work, call (951) 527-6259. You’ll get a real person on the line, and the estimate is free.
Why Linden Air Duct San Francisco Is Castro Valley’s Preferred Air Duct Cleaning Company
Castro Valley homeowners call us because we’re honest about what the job costs and what it covers. Our Air Duct Cleaning team has worked in enough ranch homes off Redwood Road and split-levels near Palomares Hills to know that the ductwork in this town rarely matches the floor plan. Marcus Veale runs our crews, and he insists on one thing every time: the tech’s name and photo go to you before the appointment, and that tech shows a photo ID badge when you open the door. No surprises, no anonymous van in the driveway.
The Threshold Standard backs every visit. Every technician is background-checked and identity-verified before they ever set foot in Castro Valley. We write the price down before work starts, and every repair carries a written guarantee with a free second visit if it doesn’t hold. That’s the 365-Day Done Right Promise, and it applies to every home we clean in Castro Valley.
We’re part of the Threshold Group family, operating since 2004, and our scheduling is coordinated from the San Francisco Bay Area office. When a Castro Valley customer calls, a live person answers. Always. Day or night.
Styles & brands we work with
Ductwork Cleaning in Castro Valley
Ductwork cleaning in Castro Valley means removing years of accumulated dust, pet hair, pollen, and debris from supply and return ducts using negative-pressure extraction. Older homes here, especially the 1950s and 60s ranches, often have original galvanized steel ducts that have never been opened. We connect a HEPA-filtered vacuum at the air handler, seal each register, and pull contaminants out under negative pressure. No dust escapes into your living room while we work.
What Gets Removed
Dust, pet dander, construction debris from past remodels, and the fine oak and pine pollen that settles into Castro Valley ducts every spring and fall. In homes with original fiberglass-wrapped ducts, we remove the accumulated particulates that cling to rough interior surfaces.
How Long It Takes
A typical single-system ranch in Castro Valley takes 4 to 6 hours for a thorough full-system cleaning. Add a second level or a crawlspace air handler, and the job often runs a full day. We don’t rush this. Rushing leaves dust behind, and you’ll smell it within a month.
Air Duct Inspection in Castro Valley
An Air Duct Inspection in Castro Valley is a camera walkthrough of your entire duct system, from register to plenum, before we ever touch a brush. The camera shows us exactly what’s inside: collapsed flex runs, loose joints, rust-through in galvanized steel, or insulation that’s peeling into the airstream. You see the footage. You decide what gets fixed.
Video Inspection Before Cleaning
We run a push camera through supply and return mains, noting any disconnects, kinks, or tears. Older Castro Valley homes often have leaks at elbow joints where ducts pull attic air into the system. The camera catches what you can’t see from the register.
What We’re Looking For
Collapsed flex ducts in recent additions, loose sheet metal joints that leak conditioned air into wall cavities, and any signs of moisture or mold growth inside the ducts. Castro Valley’s wet winters can condense inside poorly insulated duct runs, and the camera shows us exactly where that’s happening.
Trusted Brands We Service in Castro Valley
We run professional-grade extraction equipment from Rotobrush and Nikro on every Castro Valley job, and we stock replacement parts locally so you’re not waiting on a warehouse in another state. When your system needs a new filter cabinet, air purifier, or UV treatment, we install products from Aprilaire, Abatement Technologies, and Guardsman. These are brands designed for real mechanical systems, not catalog filler. Our techs train on this equipment regularly and know how to service what they install.
Common Air Duct Cleaning Problems We See in Castro Valley Homes
- Asbestos-wrapped original ducts. Many 1950s and 60s ranches in Castro Valley Hills still have galvanized steel ducts wrapped in asbestos-containing insulation. Disturbing that wrap without negative-pressure containment releases fibers into the air. We clean these systems using source-removal methods that keep the wrap intact.
- Kinked flex ducts in attic additions. Newer construction on the east side often uses flex duct, and installers sometimes crush it over purlins or joists. The result is weak airflow and static pressure that overworks your blower motor.
- Pollen loading from oak and pine. Castro Valley’s tree canopy is dense. Pollen enters through outdoor intake vents and coats the inside of return ducts every spring. Without annual or biannual cleaning, that layer gets thick enough to smell.
- Loose sheet metal joints in older systems. Original ducts from the 1950s and 60s were assembled with slip joints and drive cleats that loosen over decades. Those gaps pull dusty attic air into your system, even with a clean filter.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning in Castro Valley, CA
A full-system Air Duct Cleaning in Castro Valley for a single-family home runs $480 – $920, depending on the number of systems, the duct configuration, and how much access our techs have in crawlspaces and attics. Split-level homes with two air handlers typically fall in the $680 – $920 range. Ranch homes with one system and accessible registers usually cost $480 – $620. A video-only inspection without cleaning runs $180 – $290. We don’t sell per-vent pricing. One flat price per system, written before work begins. Call (951) 527-6259 for an exact quote, and we’ll walk through your home’s layout with you.
We Also Serve Cities Near Castro Valley
Our crews work throughout the East Bay, and we regularly clean ducts for homeowners in San Leandro, Hayward, Oakland, and Alameda. If you’re just outside Castro Valley and wondering whether we cover your street, call and ask. Chances are we’ve worked your neighborhood before.
Serving Castro Valley, CA - Our Local Coverage Area
We’re based in the Castro Valley 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 Castro Valley
In Castro Valley neighborhoods with dense oak and pine cover, like Jensen Ranch and Palomares Hills, most homes need duct cleaning every 3 to 5 years. Homes with pets, recent remodeling, or wood-burning fireplaces may need it every 2 to 3 years. The pollen load alone in spring is enough to coat return ducts with a visible layer by June. Call (951) 527-6259 if you’re unsure, and we’ll help you decide based on what you’re seeing at the registers.
Yes. We clean original galvanized ducts in Castro Valley Hills ranches using source-removal methods with negative-pressure containment that leave the asbestos-containing insulation wrap undisturbed. We do not run rotary brushes through these systems, and we don’t pull the wrap off. The cleaning head stays inside the duct, and the vacuum holds the system at negative pressure the entire time, so no fibers release into your living space. If your wrap is already frayed or damaged, we’ll show you on camera before doing anything.
Weak upstairs airflow in Palomares Hills split-levels is almost always a duct problem, not a filter problem. We regularly find collapsed flex runs, partially disconnected supply lines, or undersized branch ducts in these homes. Last week we pulled a collapsed flex duct in a Jensen Ranch attic where the original installer had kinked it over a purlin; the blower was pulling 0.8″ static on a 0.5″ rated system. After replacing the run and sealing the elbow joints, supply and return flowed within NADCA standards. Call us for a camera inspection and we’ll show you exactly what’s restricting your airflow.
A Castro Valley ranch with a two-story addition and a crawlspace-mounted air handler typically takes a full day, usually 7 to 9 hours. The crawlspace access adds time for setting up negative-pressure equipment and running camera lines, and the two-story duct layout means twice the register sealing and cleaning. Any company promising to finish this in two hours is not cleaning your ducts. Call (951) 527-6259 for a realistic time estimate based on your system.
Yes. Dryer vents are a separate run from your HVAC ducts, and they collect lint, not household dust. We recommend cleaning the dryer vent at the same time if you’re already scheduling a duct cleaning, since we’re on site with the equipment anyway. In Castro Valley homes where the dryer run is long or angles through a crawlspace, a clogged vent is a real fire risk. We’ll check it while we’re there.
Ready to Get Your Castro Valley Ducts Cleaned?
Call (951) 527-6259 and a real person will answer. We’ll ask about your home’s layout, give you a written price before work starts, and send the tech’s name and photo before the appointment. If the work isn’t right within 365 days, we come back and make it right. That’s the promise, in writing, on every Castro Valley job.
Written by Marcus Veale, Owner at Linden Air Duct San Francisco, serving Castro Valley since 2004.