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 Daly City
If you live in Daly City and your fireplace smells damp or the flue hasn’t been checked in years, the answer is straightforward: a chimney sweep in Daly City typically costs between $189 and $329 for a standard cleaning, and most jobs are completed in under two hours. We’re Alcott Chimney San Francisco, and we’ve been sweeping chimneys in Daly City long enough to know exactly what the fog does to a flue. Call (831) 534-3789 and you’ll get a live person, a written price before we start, and a technician whose name and photo you’ll see before we ever ring your doorbell.
Daly City’s persistent coastal fog and salt-laden marine air cause chimney caps, crowns, and flashing to corrode faster than in San Francisco or Pacifica. Many Westlake-era homes still run original galvanized components that fail within 8 to 10 years instead of the 20-plus you’d see inland. That means what looks like a minor rust patch on a chimney cap is often the first sign of water getting into the flue and turning creosote into a glaze that’s harder to remove and more likely to ignite. We know which streets in the Westlake district have the original 1950s caps still in place, because we replace them regularly.
If you’re reading this from a house in Broadmoor, St. Francis Heights, or the original Daly City tract homes between Mission Street and the hills, your chimney may be 60 to 80 years old. Those clay tile liners were installed before Daly City’s building codes caught up with coastal weather. A quick Level 1 inspection is $149 to $249, and it tells you whether your liner is still holding up or whether the salt air has been doing quiet damage behind the brick. Call us and we’ll schedule a visit that fits your week, not ours.
Why Alcott Chimney San Francisco Is Daly City’s Preferred Chimney Sweep Company
We’re part of the Threshold Group family of home-service companies, and every technician on a Daly City job has passed a background check and identity verification before they ever park the truck. That’s the Threshold Standard, and it’s not an optional upgrade. When you book a sweep with us, you’ll know the technician’s name and see their photo before we arrive. When they get to your door in Daly City, they’ll show you a photo ID badge. Every time, no exceptions. Ruben Castellano set that rule when Alcott Chimney Sweep started in 2002, and it hasn’t changed.
We answer the phone with a live person, 24/7. If smoke backs up into your living room at 11 p.m. somewhere near Serramonte or Gellert Park, you won’t get a voicemail or a callback queue. You’ll get someone who can tell you whether to close the damper, open a window, and wait for a morning inspection, or whether we need to send someone out right then. We serve all of Daly City, from the original Daly City tracts in the 94014 zip code to the newer homes up by the Cow Palace and the 94015 corridor along Mission Street.
Our written price comes before any work starts, and it’s not a starting point for negotiation. It’s the price. Every repair carries a written guarantee, and if that repair fails within the coverage period, the second visit is free. That’s the 365-Day Done Right Promise, and it applies to every chimney sweep and inspection we do in Daly City, same as anywhere else we work. We install and service professional trade brands like DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield. The materials we put in a Daly City chimney are the ones chimney professionals specify, not box-store substitutes. Read more about our Chimney Sweep services to see what a full sweep and inspection includes.
Styles & brands we work with





Chimney Services in Daly City
Chimney Services in Daly City means more than just sweeping out soot. The fog here means we’re often finding moisture problems that inland companies rarely see. A standard chimney sweep in Daly City runs $189 to $329, and that includes removing the creosote and soot buildup from the flue, checking the damper operation, and looking for the first signs of salt-air corrosion on metal components. Most Daly City homes with wood-burning fireplaces should get this done once a year, even if the fireplace only gets lit a handful of times each winter. Creosote is the tar-like buildup that causes chimney fires, and in a damp flue, it hardens into a glaze that’s far harder to remove safely.
Level 1 and Level 2 Inspections
A Level 1 inspection in Daly City costs $149 to $249 and is the right call when you’ve been using the fireplace regularly and haven’t noticed any changes. We look at the readily accessible parts of the chimney, the flue, and the basic appliance connections. If you’ve bought a house in Daly City recently, or you’ve had a chimney fire, or you’re converting a wood-burning fireplace to gas, you need a Level 2 inspection, which runs $249 to $449. That includes everything in a Level 1 plus the crawl space, attic, and the accessible portions of the exterior chimney. In Daly City, we also check for corrosion on the cap and flashing that other markets might not prioritize.

Creosote and Soot Removal
Creosote removal in a Daly City chimney often takes longer than the same job in a dryer climate, because the creosote has absorbed moisture from the fog and formed a hardened glaze. That glaze requires rotary tools to break up, and it’s not a DIY job. Soot removal is a separate but related task, usually included in the sweep, and it’s important for draft. If your fireplace smokes into the room even with the damper fully open, you may have a restricted flue from soot buildup. In Daly City, we also see smoke issues from cold, damp flues that never fully warm up, especially in homes where the fireplace sees infrequent use.

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 Daly City
Chimney Sweep Certified in Daly City means the person doing the work has been background-checked, identity-verified, and trained to recognize the specific corrosion patterns our coastal climate creates. There’s no state license specifically for chimney sweeps in California the way there is for plumbing or electrical work, so “certified” can mean whatever a company wants it to mean. For us, it means training, continuing education, and a written guarantee behind every job. A certified chimney sweep in Daly City typically costs $189 to $329 for a standard cleaning, and a Level 2 inspection that includes video scanning runs $249 to $449.
The 365-Day Done Right Promise
Every repair we make in Daly City, whether it’s a new chimney cap, a crown reseal, or a flashing replacement, carries a written guarantee. If that repair fails within the coverage period, we come back and fix it for free. The guarantee is written on the invoice, not buried in a service agreement, and it covers the workmanship and the materials we installed.
Background-Checked, Identity-Verified Technicians
Every technician who works on a Daly City chimney has passed a background check and identity verification before they ever step on your property. That’s the Threshold Standard, and it’s the same standard applied across the Threshold Group family of companies. You’ll see the technician’s name and photo before we arrive, and they’ll show you a photo ID badge at the door. When you’re home alone, or you’ve got kids with you, that’s not a small thing.
Trusted Brands We Service in Daly City
We install and service Gelco chimney caps, Olympia Chimney dampers, Famco flashings, and Copperfield caps and components. When you need a replacement cap in Daly City, we stock stainless steel models rated for coastal exposure, because galvanized doesn’t last here. We keep local inventory for Daly City customers, so a cap replacement doesn’t turn into a two-week wait for a part to ship from a warehouse. If you’re in Broadmoor or up by Westlake and your cap has rusted through, we can usually have the new one installed the same week. The brands we use are the same ones chimney professionals specify, not the thin-gauge versions sold at hardware stores.
Common Chimney Sweep Problems We See in Daly City Homes
- Rusted galvanized chimney caps. In Daly City’s salt air, a galvanized cap can rust through in 8 to 10 years, letting fog and rain into the flue. We replace them with stainless steel models rated for coastal exposure, and the difference in lifespan is dramatic.
- Spalling crowns. The top of a Daly City chimney takes a beating from constant dampness. Crowns crack, water seeps in, and the brick faces start popping off in thin layers. This is spalling, and in Daly City’s fog, it happens faster than almost anywhere else in the Bay Area.
- Corroded flashing at the roofline. Flashing is the metal that seals the chimney to the roof, and in Daly City it corrodes at the roofline, leading to slow leaks that show up as water stains on the ceiling below. By the time you see the stain, the flashing has usually been failing for a year or more.
- Hardened creosote glaze on clay tile liners. Moisture from fog combines with creosote to form a hard glaze that’s more flammable than loose soot. It requires rotary tools to remove, and it’s the single most common reason we recommend a sweep even in Daly City homes where the fireplace is rarely used.
See the difference
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AfterPricing for Chimney Sweep in Daly City, CA
A standard chimney sweep in Daly City runs $189 to $329, and that’s before any repairs. A Level 1 inspection is $149 to $249, and a Level 2 inspection with video scanning is $249 to $449. If you need a chimney cap replaced, a stainless steel coastal-rated cap with installation typically runs $225 to $475 depending on the flue size and roof access. Crown resealing runs $350 to $700, and flashing replacement starts around $450 and goes up from there depending on the roofline. In Daly City, your total price depends mostly on the condition of the metal components, not the sweep itself. The estimate we give you is free, and it’s a written price, not a range that grows once we’re on the roof.
We Also Serve Cities Near Daly City
Alcott Chimney San Francisco serves Daly City and the surrounding communities of Daly City, Brisbane, San Francisco, San Mateo, and Alameda. If you’re just over the line in any of these cities, the same background-checked technicians and written guarantees apply. Call (831) 534-3789 and we’ll get you scheduled.
Serving Daly City, CA - Our Local Coverage Area
We’re based in the Daly 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 About Chimney Sweep in Daly City
Once a year, even with light use. The reason is moisture: Daly City’s fog keeps flues damp, and damp creosote hardens into a glaze that’s harder to remove and more flammable than the dry creosote you’d get in an inland fireplace. An annual sweep in Daly City runs $189 to $329, and it’s the cheapest way to avoid a chimney fire you didn’t know you were building toward. Call (831) 534-3789 and we’ll get you scheduled.
Daly City sits directly in the path of persistent marine air that carries more salt and moisture than what San Francisco’s eastern neighborhoods or South San Francisco’s more sheltered valleys get. The salt air accelerates galvanic corrosion, and original galvanized caps in Daly City can fail in 8 to 10 years where the same cap inland might last 20. Stainless steel caps rated for coastal exposure are the fix. Call us for a quote, and we’ll tell you what you have now before recommending anything.
The old wood-burning flue is still open and absorbing moisture. In the Westlake district, many original 1950s chimneys were retrofitted with gas inserts, but the original flue was never sealed or capped properly. The result is a damp, drafty flue that nobody sees, because the fireplace looks fine from the living room. We find these during routine sweeps and inspections, and the fix is usually a sealed cap and sometimes a chimney liner repair. Estimates are free at (831) 534-3789.
Yes. Efflorescence is the white, powdery salt deposit that appears on brick faces, and Daly City’s damp, salt-laden air accelerates it. It’s not just cosmetic; it means water is moving through the masonry, and in a foggy coastal climate, that water carries salts that break down the mortar joints from the inside. If you’re seeing white staining on your Daly City chimney, call us for an inspection, and we’ll tell you whether it’s a surface issue or a sign of deeper moisture problems.
Stainless steel or copper flashing lasts longest in Daly City’s salt air. We install Famco stainless steel flashing on most Daly City chimney repairs because it resists the galvanic corrosion that eats through galvanized flashing within a decade. Copper is also a good option and lasts even longer, but it costs more. We’ll give you a written price for either option before any work starts, and the flashing carries the same written guarantee as every other repair.
Contact Alcott Chimney San Francisco for Your Daly City Chimney Sweep
If your Daly City chimney hasn’t been swept in the past year, or you’re seeing rust on the cap, white staining on the bricks, or water stains on the ceiling below the chimney, call us.
Call (831) 534-3789 for a free estimate, a written price before any work starts, and a technician whose name and photo you’ll see before we arrive. Ruben Castellano built Alcott Chimney Sweep on the idea that a chimney company should prove its trustworthiness before the truck pulls into the driveway, and in Daly City, where the fog never really lifts, that matters more than most places.
Written by Ruben Castellano, Owner at Alcott Chimney San Francisco, serving Daly City since 2002.