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 League City
Air duct cleaning in League City runs $380-$690 for a full single-system cleaning, with most jobs completed in a single morning. That’s the honest range, written down before any work starts. League City’s specific problem is humidity-driven: ducts here stay damp, and damp ducts grow things. Tomas Reyes and our crews work throughout League City weekly, from South Shore Harbour up to Tuscan Lakes and over to the Clear Lake corridor. If you want a real number for your house, call (806) 606-6902 and we’ll give you one in writing before a single panel comes off.
Why CleanRun Air Duct Cleaning Is League City’s Preferred Air Duct Cleaning Company
We’re not the cheapest option in League City, and we won’t pretend to be. What we are is the company that hands you a camera inspection before quoting, a written price before starting, and a photo record of every duct run when we leave. League City homeowners tend to research heavily before calling, and we’ve found the ones who call us second have already been burned by a $79 coupon that turned into a $900 invoice on the driveway. That doesn’t happen with us, because Haven Standard Clause 1 is simple: written price, before work begins, every time.
Our League City customers consistently mention three things in reviews: the upfront number matched the final invoice, the before-and-after photos removed any doubt about whether work was actually done, and the technicians had the license number visible on their van and uniform. No decorative badges. No “since 19-something” story. Just documented work backed by the 365-Day Done Right Promise, in writing, on every job.
Dispatch and scheduling for League City is coordinated from our Houston office, but the crews you’ll see in your driveway live and work in this area. They know what a 1980s Clear Lake ranch duct system looks like versus a 2010s Tuscan Lakes tract home. That distinction matters more than you’d think, because the failure modes are completely different.
Our Air Duct Cleaning Services in League City

Residential Duct Cleaning
Most League City homes we clean are single-family, slab-foundation builds with flex duct runs routed through unconditioned attics. The process is straightforward: camera inspection first, source-removal cleaning with negative-pressure extraction, then a documented photo record of the inside of every run. We cover every neighborhood, from the ranch homes off FM 518 to the newer subdivisions around Westwood and up toward Clear Creek. Typical residential cleaning in League City runs $380-$590 depending on the number of returns and the system’s accessibility.

Commercial Duct Cleaning
We clean light commercial systems throughout League City: dental offices near UTMB’s Victory Lakes campus, daycare centers along Main Street, church facilities, and medical suites. Commercial work in League City often involves longer duct runs and rooftop units, which changes the equipment setup but not the core promise: written price first, documented results after. Commercial pricing starts around $0.25-$0.40 per square foot depending on system configuration, and we always provide a camera walkthrough before quoting so you know exactly what’s being proposed.

Supply Duct Cleaning
Supply ducts in League City carry the heaviest debris load because they pull attic air into living spaces whenever joints leak, and in this climate, those joints leak more than homeowners realize. We isolate the supply side during cleaning with our Rotobrush and Abatement Technologies negative-pressure units, so what gets loosened gets extracted, not blown into your bedrooms. Supply-only cleaning in League City typically runs $220-$340 when done as part of a full system job.

Return Duct Cleaning
Return ducts in League City are where we find the worst of it, especially in the 1970s and 1980s homes along the Clear Lake corridor. Those original fiberglass-lined sheet metal trunks shed constantly. The camera shows liner debris crumbling into the airstream, and that’s not something a basic brush-and-vacuum visit addresses. Return duct cleaning in League City runs $180-$280, but on older homes we’ll often recommend a full system evaluation first, because what’s in the return is usually telling you what’s happening everywhere else.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
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AfterTrusted Brands We Service in League City
We work on all residential systems and use professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies on the cleaning side. When League City homes need passive filtration or a dehumidification component added after cleaning, we commonly specify Honeywell or Aprilaire units, chosen for how they handle persistent Gulf humidity. If you already have Aprilaire filters or a Honeywell UV setup, our techs know the equipment and service it correctly. We don’t stock decorative upgrades, but we do keep the components League City homes actually need, which means faster turnaround when a cleaning reveals a duct section that should be replaced.
Common Air Duct Cleaning Problems We See in League City Homes

- Post-harvey mold that resurfaces every summer. Surface brushing without negative pressure leaves established colonies in the liner. The next time Gulf humidity spikes and AC short-cycles, the mold reactivates. Source-removal cleaning under NADCA standards is the difference between recurrence and resolution.
- Brittle flex duct tears in Clear Lake-era homes. Agitation tools on 15-to-40-year-old flex runs in original 1970s-1980s systems cause liner tears. Homeowners don’t notice until blower motor strain shows up months later. We match our agitation method to duct age, not to speed.
- Condensation at poorly sealed joints in 2000s tract homes. Tuscan Lakes, Westwood, and South Shore Harbour homes have slab foundations and attic-routed ductwork. When AC short-cycles during heavy summer load, those joints stay wet long enough for mold to establish within days. Camera inspection catches this before cleaning, not after.
- Fiberglass liner debris from original NASA-era trunks. In the older subdivisions off El Camino Real and FM 518, we routinely find original fiberglass-lined sheet metal trunks feeding later-added flex. The liner has often deteriorated into free-circulating debris. Sometimes it’s cleanable; sometimes it needs section replacement. You’ll see the camera footage either way.
Pricing for Air Duct Cleaning in League City, TX
A full single-system Air Duct Cleaning in League City runs $380-$690. Two-story homes and dual-system houses in the larger South Shore Harbour or Hidden Lakes properties run $620-$980. What moves the number: number of returns, duct accessibility in the attic, whether cleaning includes sanitizing, and whether video inspection reveals sections that should be replaced rather than cleaned. We don’t charge per vent, and we never quote a teaser coupon. The price we write down before work starts is the price on the invoice when we leave. For an exact quote on your League City home, call (806) 606-6902. Estimates are free, and you’ll get the number in writing.
Key Takeaways:
- Full-system cleaning in League City: $380-$690 typical, $620-$980 for larger two-story homes
- Written price before any work starts, every time, under Haven Standard Clause 1
- Documented photo record of every duct run, inside, before and after
- Free second opinion on any competitor’s written estimate
- 365-Day Done Right Promise, in writing, not subject to manager approval
We Also Serve Cities Near League City

Our crews work throughout the Houston metro and the bay area. You’ll find us regularly in League City and nearby in Pearland, Pasadena, Baytown, and across Houston’s southeast suburbs. If you’re just outside League City, call and ask: coverage is determined by neighborhood, not by zip code boundaries.
Serving League City, TX - Our Local Coverage Area
We’re based in the League City 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 - Air Duct Cleaning in League City

The answer depends on documented water intrusion, not guesses. If the ducts sat partially submerged or if the air handler took on water for more than 48 hours during Harvey, you’re usually looking at replacement, not cleaning. Insulation and liner material that stayed wet becomes a mold reservoir that no agitation tool will fully remediate. If the system got damp but never flooded, source-removal cleaning with HEPA-filtered negative pressure under NADCA standards can typically bring it back. We’ll camera-inspect every affected run and give you the footage so you and your insurer can see exactly which category your system falls into. Call (806) 606-6902 and we’ll schedule the inspection.
Because the cleaning didn’t actually remove the mold. Duct mold in the Clear Lake corridor homes typically colonizes the interior liner of the ductwork, not just the surface. If the previous visit used a rotary brush without negative-pressure extraction, the agitation released spores deeper into the liner and the Gulf humidity did the rest. Source-removal cleaning changes the physics: our Rotobrush system and Abatement Technologies negative-pressure units pull the loosened material out of the house rather than letting it settle. If you’ve had recurring mold in a Clear Lake-area home, especially near FM 2094 or along the bay side, ask specifically for camera documentation of the liner before and after. That’s the only proof that matters.
Some can be cleaned, and some cannot. The deciding factor is liner integrity, which we document on camera before making any recommendation. If the fiberglass liner is intact but coated with years of fine debris, source-removal cleaning can restore it. If the liner is delaminating, crumbling, or already shedding into the airstream, no cleaning will save it. In that case, we document the deterioration with photos and video, then provide that record to your insurer, who in many cases approves replacement of the affected section rather than a full re-duct. This specific failure mode is common in the 1970s-1980s ranch homes along the Clear Lake corridor, and it’s one our crews see monthly.
Yes, though maybe not for the reason you expect. 2010s tract homes in Tuscan Lakes, Westwood, and South Shore Harbour route flex duct entirely through unconditioned attics that hit 130-145°F every summer. At that temperature, duct joint sealant degrades faster than in cooler climates, and any gap lets humid attic air condense inside the duct. Combined with AC short-cycling during heavy summer load, that’s enough to start microbial growth even with zero water intrusion. We recommend camera inspection on newer League City homes around the seven-to-ten-year mark, even if everything looks fine. If the footage is clean, you’ll have proof. If it’s not, you’ll know early, when a cleaning is still the affordable fix.
Source removal physically extracts debris, dust, and mold from the duct system rather than brushing it loose and hoping a shop-vac catches the rest. Under NADCA standards, source removal means the agitation tool contacts every interior surface, while continuous negative pressure pulls loosened material out of the system through HEPA filtration. Normal duct cleaning, in the way the term gets used in this industry, often means a rotary brush through the main runs and a receipt. We pulled a return duct from a 1980s Clear Lake corridor ranch where the original fiberglass-lined trunk had shed liner debris into the airstream. After camera inspection showed the liner was past saving, we source-removal cleaned the flex runs with our Rotobrush system and HEPA-filtered negative pressure, then documented the trunk’s condition for the homeowner’s insurer, who approved replacement of the affected section rather than a full re-duct. That’s the distinction: source removal leaves you with documented proof of what was removed, not a service sticker on your unit.
If your League City home’s ducts are damp, shedding, or still carrying post-Harvey mold, call (806) 606-6902 and ask for Tomas Reyes. We’ll schedule a camera inspection, give you a written price, and if the work goes forward, you’ll have before-and-after photos of every duct run before we leave your driveway.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning, serving League City and the Houston metro since 2013.




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