Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Sweep Across Los Banos
A chimney sweep in Los Banos typically runs $240 – $320 for a standard wood-burning fireplace with a prefabricated metal flue, and most homes we see were built between 1990 and 2010, so we know exactly what we’re walking into before we arrive. We work throughout Los Banos, from the older neighborhoods near Pacheco Boulevard to the newer west-side tracts off Mercey Springs Road. Ruben Castellano has built our reputation on one thing: you’ll know the technician’s name and see their photo before we ever pull into your driveway. Every technician is background-checked and identity-verified under the Threshold Standard, and they’ll show a photo ID badge at your door. Call (559) 215-1714 and a live person answers, any hour.
Why Alcott Chimney Fresno Is Los Banos’s Preferred Chimney Sweep Company
We’ve worked on enough Los Banos chimneys to know the patterns. Homes here skew heavily toward single-family detached construction from the 1990s and 2000s, which means factory-built metal chimneys and galvanized flues that behave differently than masonry chimneys do in older cities like Madera or Firebaugh. Our Chimney Sweep team understands rust at flue joints, caps that corrode through, and the debris that accumulates when a cap fails. We don’t guess. We run a camera inspection on every sweep and hand you a photo report so you can see what we see.
Being part of the Threshold Group family since 2002 means our processes are built for homeowners who want certainty before a stranger enters their home. You receive a written price before any work starts, not a verbal estimate that shifts after the teardown. Every repair carries a written guarantee, and if a repair fails within the coverage period, the second visit is free. That’s the 365-Day Done Right Promise, and it applies to every completed job in Los Banos.
When you book with us, you get a text or email with the technician’s name, photo, and expected arrival window. For parents home with young kids or older homeowners who want to verify who’s at the door before opening it, that preview matters. Ruben Castellano insists on it. No exceptions.
Styles & brands we work with





Chimney Services in Los Banos
Chimney Services in Los Banos begin with a thorough sweep and a camera inspection of the full flue, because in this climate, what’s happening inside the metal is rarely visible from the firebox. A standard sweep plus Level 1 inspection on a Los Banos prefab chimney runs $240 – $320. If we’re dealing with heavy creosote, a bird nest, or a rusted cap, those get flagged and priced before we proceed. You’ll never get a surprise line item at the end.
Sweeping and Creosote Removal
Creosote is the tar-like byproduct of wood combustion that coats flue walls and ignites at around 451°F. We remove first-degree and second-degree creosote with professional rotary tools sized for the flue diameter, never wire brushes on a degraded galvanized liner. In Los Banos, where summer temperatures push past 100°F, thermal expansion on metal components makes aggressive brushing risky. We assess before we sweep.

Soot and Fireplace Cleaning
Gas fireplaces generate soot differently than wood. We clean gas logs, burner assemblies, and venting, then verify that the gas shutoff and pilot assembly operate correctly. A gas fireplace cleaning in Los Banos typically runs $180 – $240. If you’ve got soot staining on the firebox or glass that won’t clear, it’s often a venting issue we can pinpoint with the camera.

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.
Chimney Sweep Certified in Los Banos
Chimney Sweep Certified in Los Banos means every technician on our Los Banos jobs has passed a background check, identity verification, and ongoing technical training, and carries a photo ID badge you can check at the door. We don’t send subcontractors. The person scheduled is the person who arrives, and you’ll know their name before they ring the bell. A certified sweep on a standard one-story Los Banos home typically takes 60 to 90 minutes, including the camera inspection and written photo report.
Annual Sweep and Level 1 Inspection
The National Fire Protection Association recommends an annual inspection, and a Level 1 inspection is what we do on every visit. We check the flue interior, cap, crown (where applicable), firebox, damper, and clearances. For Los Banos homes built in the 1990s, we pay special attention to the flue joints, because that’s where rust takes hold first. An annual sweep with Level 1 inspection runs $240 – $320 for most single-flue homes.
When a Level 2 Inspection Is Needed
A Level 2 inspection goes further and uses the camera to document the entire flue. We recommend it after a chimney fire, a house sale, or if a home has sat vacant with the flue uncapped. In Los Banos, where the summer heat bakes metal caps and tule fog adds moisture in winter, rust progression can be fast. A Level 2 inspection typically adds $100 – $150 to the sweep cost.
Trusted Brands We Service in Los Banos
We keep professional-grade materials on our trucks and in local inventory for Los Banos customers, not box-store substitutes. We carry full DuraFlex liner systems for relining corroded flues, and we install and service caps, dampers, and components from Copperfield. Many Los Banos homes with original 1990s-era caps need a replacement before we can safely certify the chimney for burning. Replacing a rusted cap with a Copperfield model, clearing a nest, and running a camera inspection is work we do regularly here. Parts arrive fast because we stock for this region specifically, not as a special order from out of state.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Los Banos Homes
- Rusted-through metal chimney caps. On the newer west-side tracts, original caps from the 1990s have often rusted through completely. That lets starlings and mourning doves nest in the flue, dropping debris down to the smoke chamber.
- Corroded flue liner joints. Los Banos heat causes thermal expansion, and winter tule fog adds moisture. Galvanized metal flues rust at the joints, and a mid-height joint failure can vent carbon monoxide into the home instead of up and out.
- Never-cleaned flues in 1990s homes. Many Los Banos chimneys have never been swept since installation. Even light use accumulates creosote, and after twenty-plus Central Valley summers, that creosote can be baked hard and require extended cleaning time.
- Damper and cap debris blockage. Dust, leaves, cottonwood seed, and bird material collect against dampers and in the smoke chamber. We’ve pulled enough material out of Los Banos chimneys to fill a five-gallon bucket, and that’s before the camera even goes up.
Pricing for Chimney Sweep in Los Banos, CA
A standard chimney sweep in Los Banos with a Level 1 camera inspection runs $240 – $320 for a single-story home with a prefabricated metal chimney. Gas fireplace cleaning runs $180 – $240. A Level 2 inspection adds $100 – $150. If we find a rusted cap, a corroded flue joint, or a nest, you get a written flat price before any repair work starts. The camera inspection and photo report are included in every sweep, not sold as an add-on. Call (559) 215-1714 for a free estimate, and we’ll send you the technician’s name and photo before we arrive.
We Also Serve Cities Near Los Banos
Our Los Banos customers are spread across western Merced County. We also provide Chimney Sweep in Los Banos and surrounding service to Firebaugh, Chowchilla, Kerman, and Madera. Scheduling runs from our Central Valley office, and our Los Banos crews handle jobs throughout the area on a routed basis, so we keep travel costs out of your price.
Serving Los Banos, CA - Our Local Coverage Area
We’re based in the Los Banos 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 Chimney Sweep in Los Banos
Every year if you burn wood at all, even occasionally. The answer is annual because Los Banos conditions – 100°F summer heat, winter tule fog, and factory-built metal flues from the 1990s – accelerate rust and creosote hardening differently than masonry chimneys in coastal cities. A chimney that sat for five years and gets burned twice a week from November to February will still build enough creosote to warrant a sweep by spring. We’ll tell you honestly after the first camera inspection whether your burn habits allow a longer interval, but most Los Banos homes need yearly visits. Call (559) 215-1714 and we’ll give you a straight answer after we look.
The original caps installed on 1990s prefab chimneys were galvanized steel, not stainless. Los Banos summers push daily temperatures above 100°F, which expands the metal, and winter fog settles moisture into the seams and screw holes. That cycle, repeated for twenty years, rusts caps from the inside out. Once a cap rusts through, birds get in, and the flue fills with debris. We usually recommend replacing them with a Copperfield stainless cap, which handles the local climate far better. A cap replacement is a small job compared to clearing a re-nested flue every season.
No. A sweep removes creosote and soot, but it does not repair a corroded joint. What a proper sweep does is find the joint issue on camera before it fails further, then give you a written flat price for the repair. In Los Banos, we frequently find mid-height flue joint corrosion on 1990s prefab chimneys, and the right fix is a DuraFlex liner installed inside the existing flue. You’ll see the camera footage yourself. If a liner repair is needed, the work comes with our written guarantee and a free second visit if the repair fails.
Not necessarily. Even a never-used chimney can have birds nesting, debris accumulation, a rusted cap, or a corroded flue joint from the outside elements. In Los Banos, we’ve found rusted flue liner joints in homes where the fireplace was never lit once. The risk is carbon monoxide when the home’s other gas appliances vent through a blocked or compromised flue. Before you assume a clean flue, we recommend a camera inspection – if it’s clear, we’ll tell you it can wait, and we mean that. We don’t recommend work that isn’t needed.
No, we schedule sweeps ahead, because a proper Los Banos job includes a camera inspection, a written photo report, and the time to do it without rushing. Most appointments happen within a few business days, and we send the technician’s name and photo before we arrive. If you have an urgent issue, like smoke backing up into the house or a strong odor from the fireplace, call (559) 215-1714 right away. A live person answers and we’ll talk through what’s happening and get someone out on the next available slot.
When you’re ready to book a sweep, call (559) 215-1714. We’ll give you a written price, send you the tech’s name and photo, and get your Los Banos chimney clean and verified before burn season. No surprises, no vague guarantees, just straight answers from Ruben Castellano and the Alcott Chimney Fresno team.
Written by Ruben Castellano, Owner at Alcott Chimney Fresno, serving Los Banos homeowners with certified chimney care since 2002.