Level 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.
Chimney Company in Half Moon Bay, CA
Alcott Chimney Sweep is a full-service chimney company serving Half Moon Bay, CA, and we handle everything from routine sweepings to liner replacements and gas fireplace repair. What makes our work here different from anywhere else in the Bay Area comes down to two things: Half Moon Bay’s marine fog drives nearly year-round fireplace use, and the salt-laden air corrodes chimney components faster than almost any other climate in the region. If your fireplace has been working harder than usual or your damper is stiff from coastal rust, call us at (336) 863-3889 for a free estimate.
Why Half Moon Bay Homes Are Different
Half Moon Bay doesn’t follow the standard Bay Area chimney calendar. While homeowners in San Mateo or Redwood City stop burning by April, coastal residents here keep fires going through June, July, and August because summer highs rarely climb past 63 – 65°F. That marine layer doesn’t just extend the burning season; it changes the chemistry inside the flue. Flue interiors stay more humid between fires, which makes creosote denser and stickier than the dry, flaky deposits you’d find inland. Dense creosote is harder to remove and more dangerous when it ignites.
The housing stock adds another layer. Half Moon Bay has Victorian-era homes in the historic downtown, mid-century beach cottages in Miramar, and 1960s – 1980s ranch-style homes throughout the broader community. Many of these older homes still have their original masonry fireplaces, with decades of salt-air exposure on crowns, mortar joints, and flashing. Coastal cottages especially tend to have prefab or unlined masonry chimneys that were never designed for a corrosive marine environment. Add in firewood that absorbs fog moisture even when tarped, and you get smoldering, incomplete burns that accelerate creosote buildup well beyond the once-a-year schedule most sweeps recommend.
Our Main Half Moon Bay Services
Half Moon Bay homeowners most often call us for sweeping and inspections, but gas fireplace repair is a close third as coastal corrosion works its way into valves and burner assemblies. Here’s what each service involves locally.
Chimney Sweep in Half Moon Bay
A proper sweep in Half Moon Bay means more than running a brush up the flue. Because coastal moisture makes creosote stickier here, our technicians often spend extra time scrubbing the smoke chamber and damper assembly where deposits pack in tight. We protect your floors and furniture with drop cloths, run a HEPA-filtered vacuum to keep dust out of your living space, and do a visual check of the firebox and cap before we leave. If you’re burning fog-dampened wood, you may need a cleaning every 6 – 9 months rather than yearly. Full details are on our Chimney Sweep in Half Moon Bay page.

Chimney Inspection in Half Moon Bay
Salt air is hard on metal, and a Half Moon Bay inspection often turns up corroded dampers, rusted caps, and failing flashing faster than in neighboring cities. We offer Level 1 visual inspections for routine maintenance and Level 2 camera inspections when you’re buying a home, suspect damage, or haven’t had the chimney looked at in years. The camera shows you exactly what we see, so you’re not taking our word for a repair you can’t verify. Details on what each level covers are on our Chimney Inspection in Half Moon Bay page.

Gas Fireplace Repair in Half Moon Bay
Gas fireplaces in coastal Half Moon Bay homes deal with a specific set of problems: corroded burner tubes, pilot assemblies that won’t stay lit in damp conditions, and thermocouples that fail early due to salt exposure. We service most major brands, carry common replacement parts on the truck, and diagnose the issue before recommending any repair. If your fireplace clicks but won’t ignite, or the flame looks thin and orange instead of blue, give us a call. The specifics are on our Gas Fireplace Repair in Half Moon Bay page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Half Moon Bay
We install and service professional trade materials including DuraFlex liner systems, Olympia Chimney caps and dampers, and Copperfield components. These are the same brands chimney professionals specify, not box-store substitutes. Turnaround on most common parts is 3 – 5 business days. See our brands page for the full list.
Pricing for Chimney Company in Half Moon Bay, CA
These are the typical price ranges we quote in Half Moon Bay. Every job gets a written price before work starts, so the number below is what you’ll actually pay unless we find something that changes the scope and you approve it first.
| Service | Typical range in Half Moon Bay |
|---|---|
| Standard chimney sweep | $189 – $289 |
| Combined sweep and inspection | $249 – $379 |
| Level 1 visual inspection | $129 – $189 |
| Level 2 camera inspection | $249 – $399 |
| Damper replacement | $250 – $450 |
| Chimney cap replacement | $275 – $500 |
| Chase cover replacement | $400 – $700 |
| Flashing repair | $350 – $600 |
| Smoke chamber parging | $600 – $1,200 |
| Liner resurfacing (per story) | $400 – $800 |
| Gas fireplace repair | $150 – $550 |
What pushes prices up in Half Moon Bay specifically is the corrosion factor. Dampers that have seized from salt air often need full replacement rather than adjustment, and flashing that’s been eaten by marine moisture sometimes means pulling shingles to get a watertight seal. Whatever the job, you’ll have the number in writing before we start, and you’ll see the problem with your own eyes if we’re recommending a repair.
Neighborhoods We Serve in Half Moon Bay
We work throughout Half Moon Bay, from the historic downtown streets with their Victorian-era chimneys to the beach cottages along Miramar and the ranch-style homes further inland. Here’s where we’re regularly called out:
- Miramar
- Historic downtown Half Moon Bay
- Frenchmans Creek
- Ocean Colony
- Arroyo
We typically arrive within 1 – 2 hours for emergency calls anywhere in the Half Moon Bay area.
Service Area – Cities Near Half Moon Bay
While this page covers Half Moon Bay, our crews also serve nearby communities along the coast and over the hill. If you’re in El Granada, CA, just north of the harbor, or up the peninsula in Burlingame, CA or Millbrae, CA, the same written-price guarantee and background-checked technicians apply. We also maintain a page for Belmont, MA for clients with homes out east.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 Company in Half Moon Bay
For most calls, we’re on site within 1 – 2 hours. Coastside scheduling works around the fog cycle: mornings are typically clearer for rooftop work, but we’ll work with whatever the marine layer is doing. Call (336) 863-3889 and a live person will give you a real arrival window, not a voicemail.
Most routine sweeps and inspections don’t require permits. If you’re in a planned community like Ocean Colony, check your HOA’s rules on exterior component changes, since caps and chase covers are visible from the street. We’ll identify your chimney’s condition and tell you what, if anything, needs approval before you commit.
We cover the entire Half Moon Bay area from the coastside neighborhoods through the inland ranch-home communities. Whether you’re near Main Street or out toward the hills, the same crew standards apply: name-and-photo preview before we arrive, a written price before work begins, and the 365-Day Done Right Promise behind it all.
If you’re in Half Moon Bay and want a straight answer about your chimney, call (336) 863-3889 for a free estimate. We’ll tell you what’s actually going on, show you the evidence if something needs repair, and give you a written price you can hold us to.
What happens when you call
- 1A real person answersNo phone trees - talk to a local chimney cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Half Moon Bay Customers Say
"Left no soot anywhere. Even brought a vacuum with a sealed filter. I'd use them again every fall."
- Beth H."Gas fireplace pilot kept going out. Cleaned the burner, replaced the thermocouple, and explained what failed. Works first try now."
- Alicia R."Cap, screen, and a full inspection with photos sent to my phone. Easy to understand and a fair price."
- Tomas Y.





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