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.
Trusted Chimney Sweep for El Monte Homeowners
Chimney sweeping in El Monte costs between $189 and $329 for a standard residential fireplace, and most sweeps are completed in under an hour and a half. That’s the short answer. The longer one is that what you’re really paying for is a trained eye on a system that, when neglected, can burn your house down or quietly push carbon monoxide into your living room. Noel Carver and the crew at Sherwood Chimney Sweep have been working on El Monte chimneys long enough to know which homes near the San Gabriel River bed tend to develop creosote faster, which 1950s and 60s ranch-style layouts have liner issues hiding behind the brick, and what to look for before it becomes a five-figure repair. Call (833) 589-8498 and we’ll put you on the schedule this week.

Chimney Sweep Services
Our Chimney Sweep in El Monte covers the full inspection, cleaning, and documentation of your fireplace or wood stove venting system. You need this before your first fire of the season, after burning a cord of wood, or any time you notice smoke backing into the room. Sherwood Chimney Sweep runs a camera the length of the flue on every job, knocks out glazed creosote with the right brushes for your liner type, and leaves you with a written report showing what we found and what we did. A standard sweep in El Monte runs $189 to $329. Restore before you replace is the principle we work by, and it starts with knowing exactly what’s in there.
Level 1 Visual and Camera Inspection
Every sweep starts with a look inside. We inspect the firebox, damper, smoke chamber, flue liner, and exterior masonry from the roof when access allows. The camera shows you what we see, so there’s no mystery and no upsell you can’t verify.

Mechanical Creosote and Soot Removal
We use rotary brushes matched to your flue shape and liner material, not one generic sweep-all. Glazed creosote, the shiny tar-like stuff that burns like candle wax at 2,000 degrees, gets extra attention because that’s what causes chimney fires in Temple City Chimney Sweep and El Monte homes we visit.

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.
Styles & brands we work with





Chimney Cleaning
Chimney Cleaning is the physical removal of soot, creosote, and debris from the interior walls of your flue. The National Fire Protection Association recommends it when creosote reaches 1/8 inch thick, which in a wood-burning fireplace can happen after a single season of weekend fires. Sherwood Chimney Sweep handles it with professional-grade cleaning rods and brushes, and includes a full post-clean inspection so you know the system is sound before you strike a match. Expect $189 to $329 for a standard single-flue clean in El Monte, with gas units falling at the lower end and wood-burning fireplaces with heavy buildup at the higher end.
Creosote Removal by Stage
Stage one is powdery soot, stage two is flaky buildup, stage three is the dense glazed coating that refuses to brush off without rotary tools. We handle all three stages. If we find stage three creosote, we’ll tell you before we start and show you the camera footage so you understand what you’re paying for.
Debris and Animal Nest Removal
El Monte chimney caps keep out most critters, but not all of them. Bird nests, squirrel debris, leaves from overhanging oak and sycamore branches, and even the occasional raccoon deposit all end up in flues we clean. We pull it, bag it, and recommend a proper cap if yours is missing or damaged.
Fireplace Cleaning
Fireplace Cleaning addresses the firebox itself, the visible area you actually look at, along with the damper and the transition into the smoke chamber. It’s not just about aesthetics, though a clean firebox does look better. Built-up ash, soot, and smoke stains trap moisture against the firebrick, which accelerates spalling and mortar deterioration over time. Sherwood Chimney Sweep vacuums out the firebox with high-filtration equipment, brushes the firebrick, checks the damper’s seal and operation, and wipes down the surrounding hearth area. Most fireplace cleanings in El Monte run $189 to $289 depending on buildup and firebox size, and they’re included with a full chimney sweep.
Firebox and Hearth Refreshing
We remove all ash and debris, then brush down the firebrick and smoke shelf. The goal is a firebox you can see into clearly and inspect, not just one that looks better in photos. You’d be surprised how many cracked firebricks homeowners only notice after we clean the wall.
Damper Function Check
A damper that doesn’t seal properly lets conditioned air escape all summer and smoke backdraft into the room during winter. We test the damper on every fireplace cleaning, lubricate the hinges when needed, and replace worn gaskets on glass-door units so the whole system works as one sealed envelope.
Chimney Services
Chimney Services is the umbrella term for everything beyond a basic sweep that keeps your venting system safe and functional. That includes crown repair, flashing replacement, brick repointing, liner inspection, cap installation, and waterproofing. Sherwood Chimney Sweep isn’t a cleaning-only operation. From annual sweep to structural repair, one company handles the full chimney system, which means you’re not coordinating two or three contractors when the camera finds something that needs attention. Diagnostic visits and scoped inspections in El Monte run $149 to $249, with repair work quoted separately once we see what’s actually happening.
Crown, Flashing, and Masonry Work
El Monte’s hot, dry summers and occasional heavy rain seasons crack chimneys. A cracked crown lets water into the masonry, and that water expands and contracts through every temperature swing. We repair crowns with proper Portland-based mixes, replace corroded flashing, and repoint mortar joints before they become structural problems.

Liner Inspection and Relining Options
When the camera shows cracked tiles or missing mortar between flue sections, you have options. HeatShield ceramic resurfacing can restore a deteriorating liner from the inside without a full tear-out, and DuraFlex flexible liner systems give you a new UL-listed liner when replacement is the honest answer. We’ll show you the footage and walk you through both paths.

Chimney Sweep Certified
Chimney Sweep Certified means the technician on your roof has been trained and tested on current chimney and venting standards, not just handed a brush and a pickup truck. Certification matters because a chimney is a combustion exhaust system, and the difference between a thorough sweep and a superficial one is the difference between a safe fire season and a chimney fire. Noel Carver leads a crew that’s certified to apply HeatShield flue sealant, a proprietary restoration system general contractors can’t get their hands on, and that certification means we’ve demonstrated the technique under real-world conditions. A certified sweep in El Monte costs the same as our standard rate: $189 to $329.
What Certification Actually Means
It means we’ve studied fire codes, clearance requirements, drafting principles, and the specific hazards of wood and gas venting systems. It means we know what a properly sized flue looks like, what a dangerous clearance violation looks like, and when to stop and call in a structural engineer.
Why Homeowners Should Ask
Anyone can call themselves a chimney sweep. Ask if they run a camera, if they carry the certifications for specialized work like HeatShield, and if they’re willing to show you what they found. If the answer to any of those is no, you’re taking a chance on a safety system you can’t see from the ground.
Gas Fireplace Cleaning
Gas Fireplace Cleaning is the inspection and cleaning of gas logs, burners, pilot assemblies, glass, and the venting run specific to gas appliances. Many El Monte homeowners assume gas means no maintenance. It doesn’t. Gas fireplaces still produce soot, and more importantly, they can develop venting issues, blocked flues, and carbon monoxide risks that a visual check from the hearth won’t catch. Sherwood Chimney Sweep pulls the logs, cleans the burners, brushes the firebox, inspects the gas line connection for leaks, and verifies the venting is drafting correctly. Gas fireplace cleaning in El Monte runs $149 to $249, lower than a wood-burning sweep but just as important for safety.
Gas Log and Burner Care
We remove gas logs carefully, clean off any soot or dust accumulation, and inspect burner ports for blockages or uneven flame patterns. Uneven flames mean incomplete combustion, and that’s a carbon monoxide signal you don’t want to ignore. The burner gets reassembled, tested, and checked for proper ignition.

Venting and CO Verification
Direct-vent and B-vent gas fireplaces need a clear path to move combustion gases out. We check the termination cap for blockages, inspect the vent run where it’s accessible, and verify the unit is drafting properly. If you don’t have a carbon monoxide detector in the same room as your gas fireplace, we’ll tell you to get one before the next burn.
Chimney Maintenance
Chimney Maintenance is the scheduled, preventive work that keeps a chimney from becoming an emergency. It includes annual sweeping, periodic waterproofing, cap replacement, damper adjustment, and minor masonry touch-ups before they become major masonry repairs. Sherwood Chimney Sweep treats maintenance as fire prevention, not just cleaning. Homes in El Monte with mature trees, older construction, and seasonal wood burning benefit from a Chimney Sweep Maintenance Checklist for El Monte Homeowners and a simple annual rhythm: sweep in early fall, inspect in spring if storms were rough, and address small issues the same year we find them. Annual maintenance visits run $189 to $329 for the sweep and inspection, with any additional work quoted transparently before we touch anything.
Seasonal Checkups for Wood Burners
Before your first fall fire, we sweep, inspect, and confirm the cap, crown, and flashing are holding up. It’s the cheapest insurance you’ll ever buy for a fireplace. October and November fill up fast in El Monte, so call early if you want a pre-season slot.
Post-Season and Off-Season Care
After the last fire of spring, we can do a lighter pass, address waterproofing while the weather is dry, and get your chimney sealed up before the summer heat settles in. Off-season service means no waiting, and the work is done on a dry, accessible roof rather than in rain or summer glare.
Brands We Service
We install and service DuraFlex flexible liner systems from Olympia Chimney, a benchmark product in professional chimney relining. When a flue is beyond restoration, this is what goes in, and we stock the connectors, caps, and termination kits to match. If you have a DuraFlex liner already, we can inspect it, clean it, and verify the insulation wrap is still in good condition.
HeatShield is another core line for us. This is the ceramic resurfacing system we’re certified to apply, and it’s a genuinely different option from a full reline. A HeatShield treatment rebuilds the interior surface of a damaged flue in place, which means less demolition and often a much smaller bill. We also carry Gelco chimney caps and Famco venting parts, which covers most accessory and replacement needs. Whether you have those brands or any other make, we can help.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Smoke backing into the room. This means the draft is reversed or the flue is blocked. It’s not a nuisance; it’s combustion gases entering your living space. Stop using the fireplace and get someone on the roof to look.
- A smell like a campfire when the fireplace is cold. That’s creosote off-gassing, which happens when buildup sits through warm days. It’s telling you the flue walls are coated. The coating is fuel, and it’s waiting for a spark.
- Flakes falling into the firebox. Those are pieces of flue tile or degraded mortar. When the liner starts shedding material, the chimney’s protective barrier is failing. That’s how heat reaches the surrounding wood framing.
- White staining on the exterior brick. Efflorescence means water is moving through the masonry. Water plus freeze-thaw cycles equals spalling brick and mortar failure. It will not fix itself, and it will get more expensive the longer it sits.
- Rust on the damper or firebox. Rust means moisture is getting in from somewhere, usually a bad cap or cracked crown. Moisture in a chimney accelerates every kind of deterioration, from liner breakdown to masonry rot.
Our Process, Step by Step
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Prep and protection. We lay drop cloths from the entry door to the hearth and run a high-filtration vacuum to catch dust before it settles anywhere. Your furniture and floors get treated like they belong to someone who lives there, because they do.
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Visual inspection from the roof down. We start outside. Cap condition, crown cracks, flashing seal, brick and mortar. Then we work inside: firebox, damper, smoke chamber, flue liner. You get a verbal summary before any cleaning begins.
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Camera inspection. This is the step most companies skip. We run a camera the full length of the flue and record it. You’ll see what we see. If there’s a crack, a gap, or stage three creosote, it’s on video and we’ll show you the timestamp.
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Mechanical sweep and cleaning. The right brush for your flue shape and liner type, run top-down with a rotary system where needed. We clean the smoke shelf, the damper area, and the firebox, then vacuum everything out. The camera goes back in for a post-clean check.
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Report and recommendations. You get a written report with photos of anything noteworthy. Every recommendation comes with the camera footage to back it up. Nothing is ever recommended without evidence you can see for yourself. If the only answer is a sweep this year, that’s what we tell you.
How Much Does Chimney Sweep Cost in El Monte?
A standard chimney sweep in El Monte runs $189 to $329, depending on the type of fireplace, the amount of buildup, and whether there’s anything extra hiding in the flue. Gas fireplace cleaning comes in at $149 to $249. A Level 2 camera inspection, which we include with every sweep, would typically cost $149 to $249 as a standalone service. Structural repair work, like a crown rebuild or a HeatShield liner restoration, gets quoted after the camera shows us what’s actually happening, because honest numbers require evidence, not guesswork.
What changes the price: the flue’s height and shape, how long it’s been since the last cleaning, whether animals have been inside, and the condition of the cap and crown. You avoid overpaying by hiring a company that writes up a flat price before the work begins and shows you the camera footage that justifies anything beyond the basic sweep. A free estimate from Sherwood Chimney Sweep includes the inspection and a written quote. If the flue can safely wait another season, we’ll say so, and we’ll put that in writing too. Call (833) 589-8498 and we’ll come out and take a look.
Our Service Area Near El Monte
We’re based in El Monte and cover the surrounding San Gabriel Valley daily. Chimney Sweep in South El Monte is a regular route for us, along with Chimney Sweep in North El Monte, Rosemead, Avocado Heights, Temple City, Mayflower Village, West Puente Valley, East San Gabriel, Baldwin Park, South San Gabriel, and San Gabriel. Most jobs are scheduled within a few days, and we’ll confirm a two-hour arrival window the day before. See our full service details or book an estimate.
Serving El Monte, CA — Our Local Coverage Area
We’re based in the El Monte area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Chimney Sweep in El Monte
A chimney sweep is the process of removing creosote, soot, and debris from the inside of your flue so that it vents properly and doesn’t catch fire. We run a camera before and after the cleaning, document what we find, and leave you with a report. In El Monte, wood-burning fireplaces should be swept annually, even if you only burn occasionally.
Most standard sweeps in El Monte homes take between 60 and 90 minutes from setup to final report. If we find heavy stage three creosote or an animal nest, expect it to run longer, and we’ll tell you before we start. Gas fireplace cleaning is usually faster, around 45 minutes.
A standard wood-burning chimney sweep in El Monte costs $189 to $329. Gas fireplace cleaning runs $149 to $249. Any repair work gets priced separately after the camera inspection, and you’ll see the footage that explains the recommendation. Call (833) 589-8498 for an exact quote.
Yes. We install and service DuraFlex flexible liner systems from Olympia Chimney, and we keep their cap and termination parts in stock. If you have an existing DuraFlex liner, we can inspect it, clean it, and verify the installation is still sound.
For active chimney fires, call 911 first. For anything else, including smoke backdraft, visible masonry damage after a storm, or a strong creosote smell, call us at (833) 589-8498 and we’ll get out as quickly as the schedule allows. We’re not a 24/7 emergency service, but we prioritize safety issues and will work you in.
We stand behind our cleaning and repair work, and we’ll tell you plainly what we warranty on each job before we start. Since every recommendation comes with camera evidence, you’ll know exactly what condition the chimney is in before and after we work on it. Call (833) 589-8498 and we’ll walk you through what to expect.
Clear the area around the fireplace and mantel, and don’t start a fire for at least 24 hours before we arrive. We’ll handle the dust protection and cleanup. Plan to be home for a quick walkthrough at the end so we can show you the camera footage and go over the report together.
Schedule Your Chimney Sweep Service in El Monte Today
Before burning season hits and the schedule fills up, call (833) 589-8498 for a free estimate. Noel Carver and the Sherwood Chimney Sweep crew will inspect your chimney, show you what’s inside on camera, and quote you a flat price before any work happens. No pressure, no mystery.
Written by Noel Carver, Owner at Sherwood Chimney Sweep, serving El Monte and the San Gabriel Valley.