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 Redwood City
Most chimney sweeps in Redwood City run between $189 and $329 for a standard cleaning of a wood-burning fireplace, and we book within a week of your call. We also offer Fireplace Repair in Redwood City when your firebox or damper needs attention. We work throughout the city, from the flatlands around Woodside Plaza up into the hills of Emerald Hills, and we arrive with a written price before any work starts. If you’ve been burned by a no-show or a price that doubled at the door, you’ll find we do things differently. Call (669) 266-5073 and a live person answers, any hour of any day.
Our Chimney Sweep team knows Redwood City’s housing stock well. Tract homes from the 1960s and 1970s have a different set of flue problems than newer prefab fireplaces in downtown condos. We see both every week, and we’ll tell you plainly what your chimney needs and what it doesn’t.
Why Ashby Chimney San Jose Is Redwood City’s Preferred Chimney Sweep Company
We’ve swept chimneys across the Peninsula since 2002, and Redwood City homeowners tend to call us after a bad experience with someone else. A technician who ghosted an appointment. A quote that tripled once the guy got on the roof. A liner “repair” that cracked again before the next burning season. That’s exactly the kind of thing the Kingswell Guarantee exists to fix.
Our difference shows up before we ever touch your flue. You get a written price before any work begins, so the number on the invoice matches the number we quoted at the door. Every repair carries a written guarantee. If a covered repair fails inside the guarantee period, we return and correct it at no charge. We call it the 365-Day Done Right Promise, and we’ve backed it since day one.
Nathan Corliss leads our team, and he’s built a crew of background-checked, uniformed technicians who show up in the window they give you. No four-hour vagueness. No voicemail loop when you call to check. A live person answers the phone at (669) 266-5073, 24 hours a day, seven days a week. Redwood City homeowners get the same standard whether they’re off Woodside Road or up near Cañada College.
Key Takeaways:
- Standard chimney sweeps in Redwood City run $189 – $329, quoted in writing before work begins.
- Camera inspection during a Level 2 check shows you exactly what’s going on before any repair is recommended.
- Salt air and 60-year-old masonry make the flatlands a different animal than hillside wood-stove territory.
- Every repair carries a written guarantee; if it fails, we come back free.
Styles & brands we work with
Chimney Services in Redwood City
Chimney Services in Redwood City means handling the full stack, not just the firebox you see from the living room. We sweep the flue, pull creosote and soot out of the smoke chamber, and check the crown, cap, damper, and masonry in one visit. When a Redwood City homeowner calls us for a standard Redwood City chimney cleaning, our default is to quote a sweep and a Level 1 inspection together because the two tell you very different things. A bare sweep clears the flue, but a Level 1 inspection spots cracked tile, rusted dampers, and missing caps before they turn into chimney fires or carbon monoxide problems.
Level 1 Inspection
A Level 1 checks the readily accessible parts of your fireplace, flue, and exterior stack. We look for creosote buildup, flue obstructions, cracked clay tile, and rust on metal dampers. In Redwood City’s older brick chimneys, this is where we catch salt-air corrosion on dampers and spalling brick on the exterior before it gets expensive. The inspection is included with standard sweep pricing, not sold as a separate add-on.
Level 2 Inspection
A Level 2 inspection uses a video camera to scope the full interior of the flue. We recommend this when you buy a home, after a chimney fire, after an earthquake, or when you haven’t had the chimney looked at in years. On the Peninsula, seismic movement shifts masonry over time, and Redwood City sits close enough to the San Andreas that older chimneys deserve real scrutiny. Camera footage shows you exactly what we see, so nothing gets recommended on speculation.
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.
Chimney Sweep Certified in Redwood City
Chimney Sweep Certified work in Redwood City means our technicians are trained to clear creosote, soot, and debris without damaging flue liners, and they’re background-checked before they ever walk into your home. Redwood City’s 1950s through 1970s homes often still run original clay tile liners. Those liners are more fragile than modern stainless steel. If someone runs an aggressive wire brush down a cracked clay tile flue, they can make things worse, not better. We choose brush density and technique based on what your flue actually is. The sweep itself ranges from $189 for straight runs to $329 for tall or heavily coated flues, and that price is in writing before we start.
Creosote Removal
Creosote is the tar-like residue wood smoke leaves behind. First-degree is soft and dusty. Third-degree is hardened glaze that can ignite. Redwood City’s damp marine air means creosote absorbs moisture and becomes sticky, even in chimneys that don’t burn often. We use rotary tools with flexible rods for glaze removal rather than forcing a brush through, which keeps older clay tile liners intact. If we find third-degree glaze on a 1960s flue, we’ll show you the camera footage and recommend a Level 2 inspection before any resurfacing conversation happens.
Soot Removal
Soot is different from creosote, and it’s what builds up when a furnace or water heater vent runs through the same stack as a fireplace. It’s finer and less dramatic than creosote, but it still restricts draft. In Redwood City’s older flatland homes, we often find appliances venting through stacks that were never sized for them. A brush run that works for a wood-burning fireplace may not be right for a furnace flue. We separate the two and treat them accordingly.
Trusted Brands We Service in Redwood City
When a Redwood City chimney needs parts, we don’t grab whatever random plate or cap happens to be in the van. We stock materials from HeatShield, Olympia Chimney, Gelco, and Famco because those brands hold up in coastal air and seismic conditions better than generic hardware. That matters in the flatlands west of El Camino Real, where decades of salt-laden fog eat through cheap dampers fast. When we find a rusted-out damper on a mid-century brick firebox, we’ll measure for the correct replacement rather than wedge in a generic plate that leaves gaps and leaks smoke. Parts arrive fast because our Bay Area supply chain is short, not because we rush the install.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Redwood City Homes
- Rusted dampers from salt air. The fog that rolls off the Bay each morning settles on exposed metal parts. In Woodside Plaza and Roosevelt, dampers from the 1960s often fail in ten years if the chimney never got a cap. We replace them with proper fit, never a one-size-fits-most plate.
- Clay tile liners with third-degree creosote glaze. Older flues weren’t built for modern, slow-burning stoves. Emerald Hills homes using wood stoves during winter inversions can build glaze fast. Camera scope first, then we talk options.
- Furnace vents flued like fireplaces. A 1970s Redwood City tract home was often built with a single stack serving both fireplace and furnace. Lower-temperature appliance venting creates a different residue and accelerates corrosion. We inspect and sweep for that specific condition.
- Missing or failing chimney caps. Cap failure is the root cause behind much of what else goes wrong. Rain gets in, mixes with creosote, and accelerates decay. A cracked crown plus no cap means water in places water shouldn’t be. We fix the cause, not just the symptom.
Pricing for Chimney Sweep in Redwood City, CA
A standard chimney sweep in Redwood City runs $189 to $329. The low end covers a regularly maintained fireplace with a straight flue and first-degree creosote. The high end covers taller chimneys, heavier buildup, or flues serving both a fireplace and a furnace. If your stack hasn’t been cleaned in several years, expect the higher end. Creosote removal for glazed third-degree deposits adds $100 to $200 on top of the sweep itself. A Level 2 camera inspection runs $149 to $249 depending on the complexity of the flue. Every quote is written, and you approve it before we touch anything. Call (669) 266-5073 for a free estimate, and the number we give you on the phone is the number you’ll see on the written quote at your door.
We Also Serve Cities Near Redwood City
Our Chimney Sweep in Redwood City crews regularly run routes through the neighboring Peninsula communities. We sweep chimneys in Atherton, Menlo Park, Palo Alto, and the Stanford area, often combining trips so you get faster scheduling without paying a travel premium. If you live just over the border in Menlo Park or Atherton, the same written-pricing and Kingswell Guarantee apply.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood 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 Redwood City
Salt-laden fog from the Bay corrodes exterior metal parts like dampers, caps, and flashing much faster in the flatlands than in the hills, even when the chimney sees little use. Emerald Hills homes face a different problem: wood stoves run during winter temperature inversions build creosote quickly because the smoke cools and condenses inside the flue. We see rusted dampers in Woodside Plaza and glazed clay tile in Emerald Hills on the same day, and the repair paths are completely different.
Not necessarily. Many 1970s clay tile liners in Redwood City are still sound and only need a thorough sweep and a new cap. The only way to know is to run a camera down the flue. We won’t recommend a HeatShield resurfacing or stainless liner without first showing you camera footage of the actual damage: cracked tiles, missing mortar joints, or gaps that let heat reach the framing. If your flue shows first-degree creosote and nothing else, the answer is a sweep and a cap, not a reline.
No. Redwood City’s mild climate means chimneys burn less often, but that doesn’t eliminate creosote; it changes it. Infrequent fires plus damp marine air make creosote sticky and corrosive rather than dry and flaky. Even one season of occasional burning can leave a coating that accelerates flue decay. We recommend an annual sweep and Level 1 inspection for any fireplace that’s used at all during the winter, and every two years for one that sits cold. The $189 to $329 sweep is cheaper than any repair you’ll face if you skip it for a decade.
Yes, and it’s the most overlooked problem in Redwood City’s newer townhouse developments. Prefab fireplaces built in the 1980s use thin stainless steel flues that corrode from the inside out when moisture mixes with creosote. By the time you see rust stains on the ceiling or wall near the chase, the flue is often already breached. We scope prefab flues with a camera too. The inspection costs the same as for masonry, and it’s the only way to catch corrosion before it becomes a fire hazard.
Emerald Hills sits above the flatlands, and winter temperature inversions trap cold air in the hills while warmer air sits above it. That cold, dense air pushes back down your flue, cooling the smoke before it exits and causing creosote to condense on the flue walls. Wood stoves, especially older non-catalytic models, produce far more creosote than an open fireplace per pound of wood burned. Burning hot, dry hardwood helps, but the real fix is proper draft and an annual sweep matched to your actual burning patterns. Call (669) 266-5073 and we’ll square it away before burning season.
If you own an older Redwood City home, the highest-value thing we can do is show you camera proof of what your chimney actually needs. Nothing gets recommended on our word alone. When Nathan Corliss’s team walks you through the footage, you’ll see exactly what we see, and then you decide. That’s the Kingswell Way: say the price, show up in the window, leave it cleaner, put the guarantee in writing, come back if it fails.
Ready to book? Call (669) 266-5073 and a live person answers, day or night. We serve Redwood City proper plus Atherton, Menlo Park, Palo Alto, and Stanford. Written price before any work starts. Written guarantee on every repair. That’s it.
Written by Nathan Corliss, Owner at Ashby Chimney San Jose, serving Redwood City since 2002.