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 San Gabriel
A chimney sweep in San Gabriel typically costs $189 to $325 for a standard fireplace cleaning, and most homes in the 91775, 91776, and 91778 zip codes can be serviced the same week we’re called. Hickory Chimney Sweep works throughout the San Gabriel Valley, and we know this city’s housing stock well: pre-war bungalows off Las Tunas Drive, Spanish Colonial Revivals near the San Gabriel Mission District, and post-war tract homes south of Valley Boulevard. Our Chimney Sweep team is led by Ruben Acosta, who has spent years working on the exact masonry and flue configurations common to this area. Call (855) 554-2841 and we’ll get you on the schedule before your next burn.

Why Hickory Chimney Sweep Is San Gabriel’s Preferred Chimney Sweep Company
San Gabriel homeowners don’t want a sweep crew that shows up, brushes the flue, and disappears. They want someone who can tell them why their draft is weak, whether that crack in the firebox matters, and what a fair fix looks like. That’s the work we do. Ruben Acosta and our technicians have inspected hundreds of chimneys across San Gabriel, and we’re familiar with the specific failure patterns that show up in 1920s brick, 1950s clay tile, and retrofitted gas inserts. Homeowners across 91775 tell us the same thing: they’d rather hear an honest “this can wait” than get sold a liner they don’t need. Our reputation in San Gabriel is built on exactly that.
Response time to San Gabriel is straightforward. We book sweeps in advance, not as emergency dispatches, and we’ll give you a firm arrival window when you schedule. For homeowners planning ahead of winter or a family gathering, that’s usually within the same week. We also service the full San Gabriel area, from the foothill-adjacent blocks up near Altadena Drive down to the commercial corridors along Valley Boulevard. No job is too small to inspect properly.
Styles & brands we work with





Gas Fireplace Cleaning in San Gabriel
Gas Fireplace Cleaning in San Gabriel is a service many homeowners don’t realize they need until the glass starts hazing, the pilot light flickers, or the burner ports clog with dust and pet hair. San Gabriel’s dry inland air draws in fine particulate that settles inside gas fireplaces, and homes near the foothills get an extra share of dust during Santa Ana events. A gas fireplace cleaning here typically runs $165 to $260, depending on whether you have a direct-vent insert, a vent-free log set, or a full gas conversion in an original masonry firebox.
What Gets Cleaned and Why
We pull the glass front (if accessible), vacuum the firebox, clean the burner ports, inspect the gas valve and thermocouple connections, and check the vent termination for debris. On gas inserts in older San Gabriel homes, we frequently find that the vent cap has shifted during high wind or that birds have tried to nest in the termination. That’s a carbon monoxide concern, not a cosmetic one.
When to Book It
If you’ve used the fireplace more than a couple dozen hours since the last service, or if it’s been more than two years and you can see film on the glass or smell dust when it first lights, it’s time. Before a family gathering or a home sale, Gas Fireplace Cleaning is one of the highest-value prep items on the list.
Chimney Maintenance in San Gabriel
Chimney Maintenance in San Gabriel means something different here than it does in wetter, cooler climates. Our fireplaces get sporadic heavy use, followed by months of sitting idle. That cycle creates cycles of buildup and drying that can bake creosote hard against flue walls, especially in older brick chimneys that never had insulated liners. Basic maintenance, including a standard sweep, cap inspection, and a Level 1 check, runs $189 to $275. More involved seasonal maintenance, like a Level 2 inspection with camera work, runs $325 to $450.
Seismic Crack Monitoring
One thing we recommend for San Gabriel homeowners, particularly in the 91775 foothill blocks, is paying attention to the chimney crown and the brick courses above the roofline. San Gabriel sits near the Raymond and Sierra Madre fault zones, and decades of small quakes leave hairline cracks in mortar joints that aren’t obvious at ground level. During Chimney Maintenance we inspect those surfaces directly, and if anything looks questionable we’ll recommend a smoke test to check for flue leakage.
Cap and Bird Screen Care
Our team stocks galvanized and stainless caps from Gelco and Olympia Chimney, sized locally for the common flue tile dimensions in San Gabriel’s older masonry chimneys. We also handle Gelco repair in San Gabriel when caps have been damaged by wind or weather. Santa Ana wind gusts routinely crush or lift cheap caps, so we check every termination during a maintenance visit and quote replacement on the spot if needed.
Trusted Brands We Service in San Gabriel
We don’t install hardware store parts. When a San Gabriel chimney needs a new liner or a resurfaced smoke chamber, we quote materials from the same suppliers certified chimney contractors specify: DuraFlex flexible liner systems, HeatShield resurfacing for deteriorating clay tiles, and Olympia Chimney or Gelco caps and terminations. Because we stock these locally, a repair quoted after a sweep usually gets scheduled within the week rather than waiting on a warehouse. That matters when the alternative is leaving a damaged flue in use while you remember to call someone else. We’d rather just fix it and close the risk.

Common Chimney Sweep Problems We See in San Gabriel Homes
- Third-degree creosote glaze in older flues. In 1920s-to-1960s brick chimneys, especially in the 91775 flats and foothill blocks, deferred sweeping causes creosote to bake into a hard glaze. A brush won’t remove it. We use chemical treatment followed by mechanical removal, then follow with a camera check to confirm the flue is clean.
- Crushed or missing caps after Santa Ana winds. Palm fronds and leaf litter pack into open flues during wind events, and we regularly find caps dented inward or completely gone after strong gusts. That’s how birds get in, how rain streaks masonry, and how draft problems start.
- Seismic hairline cracks hidden in brickwork. San Gabriel’s position near major fault lines means older brick chimneys often carry small fractures from decades of minor quakes. Homeowners never see them until a smoke test on a Level 2 inspection reveals leakage into wall cavities.
- Smoke backup from blocked or narrowed flues. We’ll hear about it after a holiday fire: rooms smelling like smoke, poor draw, or water staining near the chimney. Usually it’s debris, glaze, or a shifted cap. Occasionally it’s a liner that needs HeatShield resurfacing or a DuraFlex reline. We’ll show you the camera footage either way.
See the difference
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AfterPricing for Chimney Sweep in San Gabriel, CA
A standard chimney sweep in San Gabriel runs $189 to $325 for a fireplace without heavy glaze or animals. Homes with a fireplace and wood stove together, or with a two-story flue, will land toward the upper end. Level 1 inspections are included with every sweep; a Level 2 inspection with camera adds $125 to $200 depending on roof access and flue length. If your sweep reveals a cracked flue, we’ll quote the repair using DuraFlex or HeatShield and schedule it separately. Estimates are free, and we never recommend work without showing you what we found on camera. Call (855) 554-2841 for an exact quote before burning season tightens our schedule.
We Also Serve Cities Near San Gabriel
Hickory Chimney Sweep covers the entire San Gabriel Valley, including Chimney Sweep in San Gabriel and the nearby communities of East San Gabriel, San Marino, Alhambra, and Rosemead. If you’re in one of those neighboring cities, we can usually route your appointment alongside our San Gabriel schedule, so call and ask about the quickest nearby service day.
Serving San Gabriel, CA — Our Local Coverage Area
We’re based in the San Gabriel 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 San Gabriel
Every 30 to 40 burns, or at minimum once per year before your heaviest burning season. In San Gabriel’s older brick chimneys, especially those in 91775 with original uninsulated flues, creosote builds faster than in modern insulated systems because the liner runs cooler. The answer: a shorter safe interval in older homes. If you burn during every cold snap and the occasional holiday fire, book a spring or fall sweep. Call (855) 554-2841 and we’ll get you on the calendar.
Hairline cracks in the crown, step-cracking in the exterior brick mortar, small bits of mortar on the roof or in the gutter, or a fireplace that suddenly draws poorly after a noticeable tremor. The trouble with San Gabriel’s seismic hairline cracks is that they’re often interior to the flue and completely invisible from outside. A Level 2 camera inspection or a smoke test is the only way to confirm it. If you’re in the foothill edge of 91775, schedule that check before winter.
That’s usually creosote deposits off-gassing into the house when the chimney is cold, or a flue obstruction that prevents proper air exchange. In San Gabriel, wind-driven debris and nesting birds inside the flue are common contributors, especially after Santa Ana events. A sleeve of glazed creosote from prior heavy use also holds odor for months. A sweep plus a cap inspection usually resolves it. Call (855) 554-2841 for a diagnosis and a flat-priced sweep quote.
We don’t recommend it. An unserviced gas fireplace can have clogged burner ports, a cracked or disconnected vent, a failing thermocouple, or a blocked termination, and each of those creates a carbon monoxide risk. San Gabriel’s dry air means dust accumulates faster in gas logs and pilots than in coastal homes. A gas fireplace cleaning and safety check costs less than most people assume and is a two-hour appointment. Call us before you turn it on this season.
A smoke test is a pressurized smoke check of the flue that reveals cracks, leaks, and path issues that a visual inspection can’t see. Smoke is blown into the firebox and we monitor the entire flue run and exterior for smoke escaping where it shouldn’t. For older San Gabriel homes, particularly 1920s-to-1950s brick chimneys with years of small-quake stress, the smoke test is the single best way to prove whether a hairline crack is cosmetic or a fire hazard. Ruben Acosta recommends it on any pre-1960 chimney before a heavy burn season.
One More Thing About San Gabriel Chimneys That Matters
In San Gabriel’s 91775 foothill blocks, decades of minor seismic activity have left hairline cracks in the brick chimneys of 1920s Spanish Colonial Revival and bungalow homes. These cracks stay invisible until a smoke test reveals them during a routine sweep. Owners assume a fireplace that still draws is a fireplace that’s safe. That assumption fails slow. A crack that lets even a small amount of heat or combustion gas into a wall cavity is not a maintenance problem, it’s a fire-safety problem. The chimneys in these foothill blocks sit on slopes with shifting soil, so thermal expansion and minor ground movement work together over decades. We see it on nearly every older home we inspect near Santa Anita Avenue and the neighborhoods climbing toward Altadena. If your chimney predates 1970 and hasn’t been smoke-tested, that is the single most important service you can book this year.
A Recent Job in the 91775 Flats
On a recent job in the 91775 flats off Santa Anita Avenue, we swept a 1940s Spanish Colonial Revival home where the original brick firebox had been overdrawn for months; our tech found second-degree creosote caked on the smoke chamber walls and a chimney cap crushed by Santa Ana winds. After installing a new cap and sweeping the flue liner, the draft improved immediately. The homeowner had called us for a smell, not a structural issue. Turns out the smell was half the story. The rest was a cap outage and a smoke chamber that had been getting worse for years without anyone noticing.
Clean it. Repair it. Protect it. That’s the sequence. And in San Gabriel, where the fires stay seasonal and the chimneys stay old, the only thing separating a safe winter from a fire is the condition of a flue that no one looks at until someone calls us. One call covers both the chimney and the dryer vent, because the two biggest fire hazards in a home are usually standing next to each other in the same wall. Call (855) 554-2841 for a free estimate and a straight answer.
Written by Ruben Acosta, Owner at Hickory Chimney Sweep, serving San Gabriel and the San Gabriel Valley.