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 Cypress
Chimney sweeping in Cypress, CA typically costs between $145 and $320, and the work is measured, not guessed at. We schedule sweeps Monday through Saturday, and our techs bring cameras, brushes sized to your flue, and the inspection forms that matter to your home insurance. If you’re in the 90630 ZIP and your fireplace hasn’t been swept in more than two years, call (855) 341-3461 and we’ll get you on the calendar before the next cool, damp evening makes you want a fire.

Walnut Chimney has been working in Cypress long enough to know what the coastal air does to a flue. The older tracts off Valley View and Lincoln Avenue have fireplaces that were built well but haven’t been maintained well. We see it every week: a clay-tile flue that looks fine from the firebox but is glazed with acidic creosote halfway up, or a smoke chamber full of fallout that should have been removed a decade ago. We give you a camera look at all of it before we do anything, because you shouldn’t have to trust anyone’s word about what’s inside your chimney.
Why Walnut Chimney Is Cypress’s Preferred Chimney Sweep Company
Cypress homeowners call us because we treat a sweep as an inspection, not a brush run. Russ Dempsey built this company around a simple rule: nothing gets recommended unless the homeowner can see the reason on a camera screen with their own eyes. That matters in Cypress, where 1960s and 70s tract homes often have flues that were never relined and now hide cracked tiles, loose mortar, and venting surprises. When we find a problem, we show it to you. When we don’t, we tell you that too, and we don’t invent work to justify the trip.
We’re based in Garden Grove and run calls through Cypress regularly, so we don’t treat your neighborhood like a far-off service area. The streets off Denni Street, Orange Avenue, and Moody Street are familiar ground for our techs. Homeowners here have told us the same thing over and over: they want one company that can clean the chimney, inspect the furnace vent sharing the same chase, and handle the dryer vent in the same visit. That’s exactly what we do. Our Chimney Sweep team handles the flue; the same crew looks at what else vents through it.
We don’t publish star counts or review totals as marketing dressing. What we can say is that Cypress customers keep our number saved because the work holds up, the report is clear, and there’s no pressure to approve repairs we can’t show you on camera. If you’ve been in the 90630 area for a while, you probably know someone we’ve swept for. We’d rather earn the next call than oversell the last one.
Styles & brands we work with





Chimney Sweep Certified in Cypress
Chimney Sweep Certified work in Cypress means a full cleaning that meets the inspection standards your insurance carrier and local fire district actually look for, not a quick brush run that leaves the flue looking better than it is. A proper sweep of a Cypress chimney starts with a camera look at the entire system, from firebox to cap, because the marine layer and hard local water combine to create a creosote glaze that hides on clay tile. After the camera run, we remove soot, creosote, and any blockages, then do a Level 1 Inspection to check for clearance, liner condition, and damper function. For Cypress homes with 1960s-era tile liners, a Level 2 Inspection is often the right call, since it gets deeper into the smoke chamber and flue interior where spalling and mortar loss hide. A typical Certified sweep in Cypress runs $145 to $320 depending on flue height and how long it’s been since the last cleaning.
Creosote and Soot Removal
The coastal air in Cypress is damp, and damp air makes creosote acidic. This isn’t a theory; we see it in the flake patterns on old tile liners. What starts as first-degree soot turns into a hard, shiny glaze that a standard wire brush skids over. Our crews carry rotary tools and chemical treatments to break down that crust when we find it, which is often in chimneys used for cool-evening fires even during mild months. If you’ve been burning for years without a sweep, expect us to spend extra time on the middle section of the flue where that glaze builds thickest.
Annual Sweep and Inspection
An annual sweep in Cypress is about more than removing soot. It’s the moment we confirm the flue still moves smoke the way it should and that nothing sharing the chimney chase has shifted. In the older tracts, that often means checking the gas furnace or water heater connector at the same time. A chimney that passes a visual check from the firebox can still be venting exhaust into rooms if a connector has loosened inside the chase. That’s why our Annua Sweep always includes a camera scan of the full interior, not just the area behind the damper.
Gas Fireplace Cleaning in Cypress
Gas Fireplace Cleaning in Cypress gets overlooked because homeowners assume a gas unit has no creosote and therefore nothing to clean. That’s only half true. Gas fireplaces don’t produce creosote, but they do produce soot, mineral deposits from the coastal air, and buildup on logs, burners, and glass. In Cypress, where the marine layer leaves a fine film on everything, gas units need attention at least every two years, and annually if you use the fireplace as a primary heat source. A basic gas fireplace cleaning in Cypress costs between $95 and $185. If the unit hasn’t been serviced in years, a full teardown with burner inspection and ember replacement runs $150 to $275.
Burner and Pilot Assembly
The burners and pilot assembly on gas fireplaces in Cypress collect dust and mineral scale faster than inland units because the air carries moisture and salt residue. When those ports clog, you get uneven flames, sooting on the glass, and sometimes a unit that won’t stay lit. We pull the burner, clean each port, check the thermocouple and thermopile, and reseat everything before putting the logs back. It’s a specific job that most handymen won’t do well, and a slow gas leak behind the log set is not the kind of thing you want to find a year late.

Glass and Media Cleaning
The ceramic glass on a gas fireplace in Cypress fogs with a hazy, whitish film that isn’t just cosmetic. It’s mineral from the air, baked on by the heat of the glass surface. Cleaning it properly means removing the glass carefully, using the right non-abrasive cleaner, and checking the gasket while the glass is off. We also clean fire glass media, lava rock, and ember beds. When the media stays dirty, it insulates the burner and shortens the life of the unit.
Trusted Brands We Service in Cypress
We work with six professional-grade brands: DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield. That matters for Cypress homeowners because different flues need different materials. A 1970s clay-tile flue with spalling needs HeatShield resurfacing, not a patch. A chimney that’s lost draft and needs a liner gets a DuraFlex stainless system, because that’s what the chase was built for. We stock common components locally and can source Cypress-specific parts fast. The right brand isn’t a sales pitch. It’s the difference between a repair that lasts and one that fails after one season of coastal air.
See the difference
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After
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AfterCommon Chimney Sweep Problems We See in Cypress Homes
- Third-degree creosote glaze on original tile liners. The marine layer keeps flue interiors damp, and damp creosote turns acidic and hardens into a tar-like glaze that a basic brush won’t remove. We find this in chimneys that have seen regular cool-evening fires over two or three seasons without a sweep.
- Spalling and cracked clay tiles in 1960s and 70s tracts. Homes off Lincoln Avenue and Valley View Street were built with tile liners that have now been through 50 or 60 years of heating and cooling cycles. Hairline cracks in those tiles let heat and gases reach the masonry, and most homeowners never know until a camera inspection shows it.
- Furnace or water heater vents sharing a chimney chase. In Cypress’s original tract layouts, many gas appliances vent into the same masonry chase as the fireplace. If that connector shifts or the flue isn’t sized properly, exhaust can spill into the home instead of going up the stack. A routine sweep is often the only time anyone actually looks at this.
- Deteriorated mortar joints in the smoke chamber. The smoke chamber above the damper is corbeled brick with parge coating that breaks down over decades. In Cypress’s damp air, that deterioration accelerates, and the rough surface catches creosote and slows draft. It’s invisible from the firebox and a common source of mysterious smoke smells in the living room.
Pricing for Chimney Sweep in Cypress, CA
A standard chimney sweep in Cypress runs $145 to $320. Gas fireplace cleaning runs $95 to $185. If you need both the fireplace and the dryer vent cleaned in the same visit, we’ll quote it honestly and often save you the cost of a second service fee. What changes the price here is flue height, the degree of creosote buildup (we inspect before we quote a firm number), and whether a Level 2 Inspection is warranted. We don’t charge for the camera look when you book the sweep, and we don’t recommend any repair without showing you the footage. Call (855) 341-3461 for a free estimate; we’ll ask about your home’s age, fireplace type, and whether anything else vents into the chimney chase, then give you a number that won’t move after we arrive unless we find something we can show you.
We Also Serve Cities Near Cypress
Walnut Chimney runs routes through all of northwest Orange County. In addition to Chimney Sweep in Cypress, we serve La Palma, Los Alamitos, Rossmoor, and Hawaiian Gardens. If you’re just over the city line, the same crew, the same camera-first approach, and the same transparent pricing applies. Call us and we’ll tell you which route day puts us closest to your street.
Serving Cypress, CA — Our Local Coverage Area
We’re based in the Cypress 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 Cypress
A camera inspection is non-negotiable on Cypress chimneys because the marine layer hides damage that brushes can’t feel and eyes can’t see. A flue can look clean from the firebox while the middle is glazed with acidic creosote or the tile liner is cracked behind years of buildup. We show you the footage before we quote anything, so you’re never paying for a repair based on someone’s word. Call (855) 341-3461 and we’ll include the camera look with your sweep.
Cypress’s marine layer keeps flue interiors damp, and damp creosote turns acidic and hardens into a glaze much faster than the dry, flaky stuff you get inland. Homeowners here can develop third-degree creosote after just a few seasons of cool-evening fires, even if they only burn from October through March. That’s why our techs use rotary tools and chemical treatments rather than a standard wire brush when we find that glaze. A sweep here isn’t the same job as it is in Fullerton or Anaheim.
It’s safe only if the flue is sized correctly and the connector is secure, and that’s exactly what we check during every sweep. In the older tracts off Lincoln Avenue, we routinely find furnace or water heater vents sharing a chimney chase with the fireplace, and loose connectors are more common than most homeowners expect. If we find a problem, we show you the camera footage and explain what’s needed to bring it back to code. The fix is often simpler than people fear, but it needs a trained eye to catch in the first place.
First-degree creosote is a fine, dusty soot that brushes off easily. Third-degree is a hard, tar-like glaze that forms when damp creosote cools and hardens, and it’s the type we see most in Cypress because of the coastal air. A standard brush won’t remove third-degree glaze; it just polishes the surface. That’s why we carry specialized tools and why a camera inspection matters before anyone tells you the flue is clean. If it’s glazed, it isn’t clean, no matter how good the firebox looks.
Yes, we service gas fireplaces throughout Cypress, including the 90630 ZIP. Gas units don’t produce creosote, but they do collect soot, dust, and mineral scale from the coastal air, which clogs burners and fogs glass. The cleaning is different because it focuses on burner ports, pilot assemblies, logs, and glass rather than flue deposits. A gas fireplace that hasn’t been serviced in a few seasons can burn unevenly and even produce carbon monoxide if the burners are clogged badly enough, so we treat it as a safety inspection, not just a wipe-down.
If you’ve got a fireplace that hasn’t been swept in years, a gas unit that’s acting up, or a dryer vent that hasn’t been touched since the house was built, call Walnut Chimney at (855) 341-3461. We’ll come out to Cypress, put a camera in the flue, and show you exactly what’s going on. No guesswork, no scare tactics, no repairs recommended that you can’t see with your own eyes. Just a clear report and a clean, safe chimney.
Written by Russ Dempsey, Owner at Walnut Chimney, serving Cypress and all of northwest Orange County.