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.
Chimney Company in Downey, CA
Downey’s chimneys are a study in generational wear. Most of the fireplaces in this city sit inside post-WWII tract homes built between 1949 and 1963, and the original masonry is now pushing 65 to 75 years old. That’s the age when mortar crowns start crumbling, clay liners crack at the seams, and cast-iron dampers seize open from decades of coastal-adjacent air. We repair more chimneys than we sweep in Downey, and we’ve served this city since 2017. If your fireplace hasn’t been inspected since the last presidential administration, call (833) 589-8498 and get a straight answer about what’s actually going on up there.
Why Downey Homes Are Different
Downey’s housing stock does something unusual to chimney work. The neighborhoods off Florence Avenue and Paramount Boulevard, where the original 1950s ranches cluster in the 90240 and 90241 ZIP areas, were built fast during a postwar boom. The masons used what was available: brick veneer over block, a single clay flue tile, and a simple banded crown that was never designed to hold up for seven decades in Southern California UV. Hot, dry summers bake the mortar joints. Then the December-to-March rain season works water into every hairline crack. The result is a specific Downey pattern: a fireplace that’s barely used but has a chimney top falling apart above it. Homeowners call us for a cleaning and we end up showing them photos of a crown that looks like a gravel driveway. The mild Mediterranean climate also means fires are short and small, mostly cool evenings from November through February. That produces creosote that’s often thin but glazed, baked on rather than fluffy. And because so many Downey chimneys sit unused from April through October, that’s exactly when birds build nests in open flues and rust flakes off unused dampers. It’s not a dramatic climate story. It’s a story about time, dryness, and neglect that doesn’t announce itself until it’s structural.
Styles & brands we work with





Our Main Downey Services
Two services cover most of the calls we take from Downey homeowners: the annual chimney sweep for people who still burn wood, and dryer vent cleaning for people who know that lint is the leading cause of household dryer fires. Both are fire-prevention work, even though only one of them involves an open flame.
Chimney Sweep in Downey
A sweep in a Downey home usually starts with a damper that’s rusted open or won’t move, because so many original 1950s dampers in this city have been sitting in the same position for decades. We clear creosote from the flue, remove any nesting debris, and run a camera up so you can see the tile condition before anyone recommends anything else. In the 90240 tract homes especially, we’re also looking at whether the chimney top has a cap at all. Most don’t. If you’ve never had the fireplace inspected since you bought the house, read the full breakdown of what’s included on our Chimney Sweep in Downey page.

Dryer Vent Cleaning in Downey
Downey’s original ranches often put the laundry room in a hallway closet near the center of the house, which means the dryer duct runs 12 to 20 feet through walls and sometimes up through the attic before it exits. That’s a long run for a duct, and a long run collects more lint per foot than the average homeowner expects. We clean the full length with professional equipment, check the exterior vent flap, and confirm airflow with a manometer test. It’s fire prevention, not just cleaning. See the full service breakdown on our Dryer Vent Cleaning in Downey 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.
Chimney Repair in Downey

Chimney repair in Downey is rarely about anything you can see from the ground. The houses off Telegraph Road and Studebaker Road that define this city’s housing stock are aging into a particular set of failures: crown mortar that weathers in the dry heat, flashing that leaks under the first heavy rain of January, and clay liners cracked from old chimney fires or simply from time. What makes Downey jobs different is the frequency with which a “routine cleaning” reveals a repair that can’t wait. When we run a camera through a 1952 chimney in the 90242 ZIP area and find spalling brick or a liner with a longitudinal crack, the safest call is a repair before the next burn season. That’s what we do full-time. Read more about our approach on the Chimney Repair page.
Chimney Crown Repair
Signs you need it
You’ll see cracks across the top of the chimney, or chunks of mortar on the roof after a heavy rain.
What it costs in Downey
Chimney crown repair in Downey typically runs $900 to $1,900, depending on whether we’re resurfacing or rebuilding the crown entirely.
How we do it
We clean the crown surface, evaluate the crack pattern, then apply a durable repair mortar or rebuild the crown with a proper drip edge so water stops pooling.
Chimney Cap Installation
Signs you need it
You’ll hear birds in the chimney, find nesting material during a sweep, or see rain water staining the firebox floor.
What it costs in Downey
Chimney cap installation in Downey typically costs $350 to $850, including the cap and the labor to secure it to your chimney top.
How we do it
We measure the flue opening, select the right cap for your flue tile, and anchor it with mechanical fasteners so it stays put in Santa Ana winds.
Chimney Flashing Repair
Signs you need it
You’ll notice a water stain on the ceiling near the chimney, or the fireplace smells damp after Downey rain storms.
What it costs in Downey
Chimney flashing repair in Downey typically runs $400 to $1,200, depending on how many seams have opened and whether the existing flashing is salvageable.
How we do it
We lift the old flashing, inspect the underlayment for rot, and install new counter-flashing and step-flashing sealed to the chimney and the roof line.
What Chimney Repair Costs in Downey
| Item | Typical range in Downey |
|---|---|
| Chimney crown repair | $900 – $1,900 |
| Chimney cap installation | $350 – $850 |
| Chimney flashing repair | $400 – $1,200 |
Do I really need a new chimney liner, or is that an upsell?
You need a new liner if the camera shows a crack, a gap, or spalling through the thickness of the tile, not cosmetic staining. We show you the footage before quoting a liner replacement, and if the existing liner is intact, we’ll tell you that plainly.
How often should I have my Downey chimney repaired or inspected?
Inspect annually before burn season. In Downey’s dry climate, crowns and flashing degrade faster than liners, so expect a repair conversation every few years on an original 1950s chimney.
Brands We Service in Downey
We stock and install professional-trade components from Olympia Chimney, Famco, and Copperfield. These are the materials specified by certified chimney engineers, not hardware-store substitutes. When a Downey repair calls for a new cap, liner component, or flashing piece, we typically have the part on hand or sourced within days. See our brands for the full supply chain.
See the difference
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AfterPricing for Chimney Company in Downey, CA
| Service | Typical range in Downey |
|---|---|
| Chimney sweep (standard fireplace) | $180 – $340 |
| Dryer vent cleaning | $120 – $250 |
| Chimney crown repair | $900 – $1,900 |
| Chimney cap installation | $350 – $850 |
| Chimney cap replacement | $360 – $860 |
| Chimney liner installation | $2,800 – $6,500 |
| Chimney flashing repair | $400 – $1,200 |
What pushes a Downey repair toward the top of the range is access: a steep roof pitch, a two-story chimney, or a liner that requires scaffolding rather than ladder work. The price we quote before we start is the price you pay, including the camera inspection and any photos we take along the way.
Neighborhoods We Serve in Downey
We work throughout Downey, from the older bungalow blocks near the downtown core to the tract home stretches that run north and east. Most of our calls cluster in the 90240 and 90241 ZIP areas, where the original fireplaces are reaching the end of their original service life.
- Downtown Downey and the 1920s bungalow district
- The Florence Avenue and Paramount Boulevard tract corridors
- 90240 neighborhoods north of Firestone Boulevard
- 90241 subdivisions east of Lakewood Boulevard
- 90242 neighborhoods south toward Furman Park
We typically schedule Downey jobs within a week, and repairs go faster when the camera footage gives us a clear picture before we order parts.
Service Area – Cities Near Downey
We serve the surrounding communities from our El Monte base, and the housing stock changes fast once you cross the city line. Bell Gardens, CA has a similar stock of postwar ranches with original fireplace cores. Santa Fe Springs, CA adds a mix of older industrial-era homes on larger lots. Paramount, CA and Pico Rivera, CA round out our southeast Los Angeles service area, and the same patterns show up: crowns failing from dry heat, dampers stuck, and flashing that leaks on the first winter rain.
Serving Downey, CA — Our Local Coverage Area
We’re based in the Downey 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 Downey
Most Downey sweeps and inspections are scheduled within five to seven business days. Chimney repair jobs may take up to two weeks depending on part availability and the scope of work. Call (833) 589-8498 to check our current Downey schedule.
Most repairs like crown work, flashing, and cap installation don’t require a city permit in Downey. A full masonry rebuild or a change in flue configuration may. We’ll tell you during the estimate if your job needs one.
Sherwood Chimney Sweep is based in El Monte and operates a named crew that handles both the inspection and the repair. One company for the full chimney system, from annual sweep through structural repair. No anonymous gig-economy dispatch.
Call (833) 589-8498 for a free estimate on chimney repair, sweeping, or dryer vent cleaning in Downey. We’ll tell you what the camera sees and what it doesn’t need.
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 Downey Customers Say
"Thorough sweep and a clear report. He was running late from the job before and arrived near the end of the window, though he did call to warn me."
— Nabil Saleh"What sold me was that he told me what NOT to do. I was ready to spend a lot more than I needed to and he stopped me. Ended up costing about a third of what I'd budgeted."
— Norma Martinez"Creosote buildup was worse than I realized. He measured it, showed me the glazing on the flue with the camera, and was honest that we were closer to a chimney fire than I wanted to hear."
— Divya Rao