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 Inspection Across San Carlos
A chimney inspection in San Carlos typically costs between $149 and $389 depending on the level of inspection your home needs. For most San Carlos homeowners, a Level 2 camera inspection runs $249 to $389 and is the smartest option when buying a home, after any seismic event, or when you’ve noticed smoke backing into the room. Call (831) 534-3789 and we’ll give you a written price before anyone sets foot on your property.
We work throughout San Carlos, from the flats near Laurel Street up through the hillside streets off Brittan Avenue, and we understand the quirks of the housing stock here. Ruben Castellano has built Alcott Chimney San Francisco around a simple idea: you should know exactly who’s coming to your door and exactly what you’ll pay before the work starts. That’s why every technician is background-checked, identity-verified, and sent to you by name and photo ahead of the visit. They show a photo ID badge at the door. Every time.
Why Alcott Chimney San Francisco Is San Carlos’s Preferred Chimney Inspection Company
San Carlos homeowners deal with a specific set of chimney problems that generic chimney companies often get wrong. We know that the 1950s Eichler on Crestview Drive has different needs than the 1980s hillside home off Alameda de las Pulgas. Our Chimney Inspection team has spent years documenting what actually fails in this city’s chimneys, and we bring that local knowledge to every job.
We’re part of the Threshold Group family of home-service companies, and we’ve held every technician to what we call the Threshold Standard since day one: background checks, identity verification, uniforms, and name-and-photo announcements before arrival. That matters in San Carlos, where many residents are home alone during the day or have young kids who’ll be curious about the stranger in the driveway. You’ll know who’s coming before we get there.
We also answer our phones with a live person around the clock. If you smell smoke at 11 p.m. and you’re worried about your chimney in San Carlos, you’ll talk to a human being, not a voicemail tree. That’s been true since 2002, and it’s not changing.
Styles & brands we work with





Level 2 Chimney Inspection in San Carlos
A Level 2 Chimney Inspection in San Carlos is the inspection most real estate agents, insurance companies, and home inspectors recommend when a property changes hands or when any event has potentially damaged the flue system. It typically costs $249 to $389 here, and it includes everything in a Level 1 inspection plus a video camera scan of the entire flue interior. You see what we see on screen. Nothing is recommended without that camera evidence.
San Carlos is a city where this inspection matters more than most. The housing stock skews heavily toward mid-century Eichler and ranch-style homes with original chimneys that are now 60 to 75 years old. Those clay tile liners crack. Mortar joints erode. And because these inspections often happen during the winter buying season, when the marine layer sits over the Peninsula for days at a time, the chimneys are frequently damp, which makes the video imagery all the more important for spotting early-stage liner damage.
What the camera shows
The camera doesn’t lie. We’ve inspected chimneys in the White Oaks neighborhood that looked fine from the outside but had flue tile gaps you could stick a finger through. We document everything on screen and walk you through the footage before we discuss any repair. If we recommend a liner, you’ll have seen exactly why.
When homebuyers call
Most Level 2 inspections in San Carlos are for real estate transactions. Buyers on Eaton Avenue or Cedar Street want to know if that charming wood-burning fireplace is actually safe to use. We’ve done hundreds of these inspections, and we know what San Carlos home inspectors commonly miss: corroded caps, hidden water intrusion, and flue passages blocked by decades of debris.
Chimney Leak in San Carlos
A chimney leak in San Carlos rarely announces itself as water pouring down the flue. More often, you’ll see staining on the ceiling near the fireplace, efflorescence on the brick face, or a musty smell that gets worse after rain. Tracing the source costs $149 to $249 for a targeted inspection, and the fix itself depends on what we find, but you’ll always get a written price before any repair starts.
The salt-laden fog that rolls off the Bay and up through the San Carlos hills accelerates corrosion on chimney caps and flashing. Eichler homes, with their low-profile roof lines and exposed metal cap details, are especially vulnerable. A corroded cap lets water straight into the flue, where it mixes with creosote and turns acidic. That acid eats away at mortar joints and clay liners year after year.
Moisture in the flue
Creosote absorbs moisture from fog and rain. In San Carlos’s microclimate, that means the creosote inside your chimney is often damp and acidic, even if you haven’t burned a fire in months. The acid attacks the flue liner from the inside, which is why we often find advanced liner deterioration in chimneys that see only occasional use.
Salt air and metal
Our tech was called to a 1960s Eichler in the White Oaks neighborhood for a smoky fireplace. Using a Level 2 camera inspection, we found cracked clay flue tiles and a corroded chimney cap from salt-laden Bay fog; we documented the damage on-screen before recommending a DuraFlex liner and new Olympia Chimney cap. The homeowner had been told by another company they just needed a sweep. The sweep would have done nothing.
Trusted Brands We Service in San Carlos
We install and service professional trade materials, not box-store substitutes. If your San Carlos home needs a new liner, we’re certified to install DuraFlex systems. If the cap has corroded from years of Bay fog, we’ll quote an Olympia Chimney cap built for coastal conditions. We also work with Gelco and Copperfield products, and we keep common San Carlos parts in stock so we’re not waiting on a delivery truck when your chimney is already apart on the driveway.
See the difference
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AfterCommon Chimney Inspection Problems We See in San Carlos Homes
- Short, low-profile chimneys on Eichler homes. The mid-century designs that make San Carlos architecturally distinctive also produce chimneys that struggle with wind shifts coming off the Santa Cruz Mountains rain shadow. Even a clean flue can draft poorly, pushing smoke back into the living room on gusty days.
- Corroded caps from salt-laden fog. The marine layer doesn’t just make San Carlos damp. It carries salt, and that salt eats through galvanized chimney caps faster than you’d expect. A failed cap is the single most common entry point for water in chimneys here.
- Acidic creosote from damp, occasional fires. San Carlos’s cool, wet winters mean many fireplaces get used only intermittently. The fires that do happen are often low-temperature and inefficient, producing creosote that never fully burns off. Fog moisture turns that creosote acidic, accelerating liner damage between inspections.
- Appliances vented into flues never designed for them. Older San Carlos homes frequently had gas water heaters or furnaces tied into the masonry chimney. When those appliances were upgraded, the old clay flue stayed, and it’s often too large or too deteriorated for the new equipment. That’s a carbon monoxide risk, and it’s something a camera inspection is built to catch.
Pricing for Chimney Inspection in San Carlos, CA
A Level 1 inspection, which is a visual check of the accessible portions of the chimney, runs $149 to $199 in San Carlos. A Level 2, which adds the full video camera scan, runs $249 to $389. If you have a leak and need us to trace it, that targeted inspection runs $149 to $249. The price you’re quoted is the price you’ll pay, in writing, before work begins. If we find something the camera doesn’t show, we’ll talk to you before doing anything else.
What affects the final number? Roof pitch, chimney height, and whether we’re accessing a mid-century single-story ranch in the flats or a hillside home off Crestview with a steeper roofline. Either way, you’ll have the numbers first. Call (831) 534-3789 for a free estimate, and we’ll send you the same technician’s name and photo before we arrive.
We Also Serve Cities Near San Carlos
Our San Carlos crews regularly work in neighboring communities across the Peninsula and East Bay. We serve San Mateo, Brisbane, Daly City, and San Leandro with the same name-and-photo technician preview, written pricing, and 365-Day Done Right Promise. If you’re just outside San Carlos and your chimney is acting up, call us at (831) 534-3789 and we’ll get you scheduled.
Serving San Carlos, CA - Our Local Coverage Area
We’re based in the San Carlos 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 Inspection in San Carlos
You should have your chimney inspected once a year in San Carlos, even if you only light fires a handful of times each winter. The city’s damp marine layer means creosote absorbs moisture and becomes acidic even when the fireplace sits unused, and that acid slowly degrades clay flue tiles between inspections. Annual checks catch this early. Call (831) 534-3789 to schedule yours.
Short, low-profile chimneys on mid-century Eichler homes often struggle to establish proper draft when wind shifts come off the Santa Cruz Mountains rain shadow. The flue may be perfectly clean, but the chimney is simply too short to compete with the wind patterns in certain San Carlos locations. A Level 2 camera inspection can confirm whether draft failure is the issue or whether there’s a partial blockage making it worse. Call (831) 534-3789 and we’ll take a look.
Yes. A chimney inspection, particularly one that includes a camera scan and a close look at the cap and flashing, catches water intrusion early in San Carlos. The salt-laden fog off the Bay corrodes caps and flashing faster than in drier inland areas, and we see the evidence on screen before it becomes a ceiling stain or a spalling brick face. Call (831) 534-3789 for an exact quote, and we’ll document everything on camera.
Third-degree creosote is the hard, glazed, tar-like buildup that forms when wood fires burn at low temperatures. In San Carlos, intermittent fireplace use during damp winters creates exactly the conditions for this type of creosote to form. It’s the most dangerous form because it’s highly combustible and nearly impossible to remove with standard brushes, often requiring chemical treatment or mechanical removal. Call (831) 534-3789 and we’ll assess what’s in your flue.
Yes. A Level 2 inspection is the standard for any real estate transaction in San Carlos, and it’s the only way to see the inside of the flue with a camera before you commit to the house. These inspections reveal cracked clay tiles, deteriorated mortar, and hidden water damage that visual-only checks miss. We’ll give you a written report and the camera footage. Call (831) 534-3789 to book one before escrow closes.
Written by Ruben Castellano, Owner at Alcott Chimney San Francisco, serving San Carlos since 2002.