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.
Gelco Chimney Cleaning in North Tustin, CA | Walnut Chimney
We provide independent Gelco in Tustin chimney cleaning service throughout North Tustin’s 92711 ZIP, from the custom ranches off Newport Boulevard to the split-levels above Cowan Heights. The single thing that sets our Gelco work here apart: we know that most “smoking fireplace” calls in North Tustin aren’t creosote at all. They’re leaf packs and bird nests plugging Gelco caps under mature oak and eucalyptus canopies. Call (855) 341-3461 to schedule a sweep and cap check that actually diagnoses the problem.

Our techs have cleaned and repaired Gelco clay-tile flue liners, Gelco stainless flex relining kits, and Gelco chimney caps in North Tustin homes for years. We stock OEM Gelco caps and arrestors when a like-for-like match matters, and we carry quality aftermarket liners when they’re the better value. We’re an independent shop, not authorized by Gelco, which means we tell you what the flue actually needs rather than steering every call toward a new product. For full-line Gelco sales & service knowledge and honest diagnosis, that’s the way it should work.
Why North Tustin Residents Choose Us for Gelco Service
Several reasons, but the first one is simple: we know what a Gelco flue in a 1960s-era North Tustin ranch actually looked like when it was built, and what fifty or sixty years of Gelco service in Santa Ana winds, dry summers, and nesting animals have done to it since. Russ Dempsey, our owner, grew up off Amar Road in Walnut and spent his early years doing fireplace retrofits on the old ranch homes scattered through the San Gabriel Valley before focusing exclusively on chimneys. He’s been working flues for going on two decades, and he’s the guy neighbors call when an inspection turns up something the last tech missed.
The second reason: we don’t treat Gelco work as a parts delivery service. We carry OEM Gelco caps and arrestor components on the truck for common North Tustin cap replacements, and we fit them when a like-for-like match keeps the roofline right. When a liner is sound, we sweep it and cap it. When a flue shows real tile or mortar failure on a camera pass, we’ll recommend relining. That’s the repair-versus-replace stance, and it’s how we work in every home we visit across the North Tustin service area.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in North Tustin
- Leaf packs and twig debris clogging Gelco cap screens. Mature oak and eucalyptus canopies in North Tustin drop material directly onto chimney caps, and the fine-mesh spark arrestor screens Gelco caps use turn into catch basins. The result is a fireplace that smokes back into the room because the flue can’t breathe. We clear the pack, test the draft, and usually replace the arrestor or cap if the screen is torn or rusted.
- Cracked original clay-tile flue sections on unrelined masonry chimneys. Many North Tustin homes still run their original 1960s Gelco clay-tile flues, and high-fire-severity zone inspections routinely turn up joint gaps that let heat and creosote reach the framing. We camera the flue after every sweep here, specifically looking for tile spalling and missing mortar between joints, because at this age the question isn’t whether it cracks but where.
- Hardened, glazed creosote in flues that sat unused through hot summers. North Tustin’s dry, warm months mean fireplaces go dormant for half the year. Creosote left from the last burn doesn’t just sit there; it bakes into a shiny, glass-like glaze that standard wire brushes skip right over. We’ll do a staged removal using chemical treatments and specialty rods, then confirm the flue walls are clean before we call the job done.
- Bird nests and squirrel dens in uncapped or damaged Gelco flues. The months of disuse in North Tustin’s long dry season are an open invitation. If an old Gelco spark arrestor has rusted out or blown off during a Santa Ana event, birds and squirrels build inside the flue, and the first fire of the season turns the nest into a flue fire. We treat every cap inspection here as a fire-prevention step, not a cosmetic one.
- ‘Smoking fireplace’ calls that are blockage, not creosote. This is the North Tustin classic. The homeowner assumes the flue is creosote-choked, but when we pull the cap and look down, it’s a two-foot plug of eucalyptus leaves and an old bird nest. The firebox hasn’t drafted properly in months. We clear it, sweep the flue, and if the arrestor is rusted out, we fit a new Gelco-compatible cap before we leave.
Gelco Service in North Tustin: What Local Conditions Mean for Your Equipment
North Tustin is unincorporated county land where many of the 1960s and 1970s custom ranch homes were built with original masonry fireplaces and clay tile flues that have never been relined. That’s a different starting point than Gelco service in Orange. Add in the mature oak and eucalyptus canopies that lean over the old estate lots, and you get a very specific failure pattern: the cap screens clog first, the flue drafts poorly, creosote hardens in the unused summer months, and the homeowner calls it a chimney fire risk when what they actually have is a leaf pack and a rusted arrestor. Because North Tustin sits in a high-fire-severity zone, we also see insurance carriers asking for spark arrestor condition, creosote level, and flue integrity on their inspection paperwork. If the flue’s clean and the draft is right, everything else takes care of itself.
Our techs flag arrestor condition and creosote buildup on every Gelco sweep in North Tustin, specifically so you have a service record if your carrier asks. That’s the local angle no generic chimney-cleaning page covers.
Gelco Models & Products We Service in North Tustin
We clean, inspect, and repair Gelco clay-tile flue liners from the original 1960s and 70s masonry construction, Gelco stainless flexible relining kits used in retrofit gas inserts and freestanding stoves, and Gelco multi-flue and single-flue caps found on split-level stacks across North Tustin. The practical side of this: we fit OEM Gelco caps and components when a like-for-like match keeps the roofline and mounting correct, and we specify quality aftermarket liners and arrestors when they’ll hold up better for less money. Parts aren’t a mystery on this side of the call.
For a fast turnaround in the 92711 ZIP, we keep common Gelco-compatible cap sizes and arrestor hardware on the truck, and we can source liner components quickly through our supply chain in Gelco in Villa Park and throughout Orange County. If your flue is sound, you won’t hear a pitch for a new liner from us.

See the difference
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AfterGelco Service Pricing in North Tustin
What you’ll pay depends on what we find. A standard Gelco chimney sweep in North Tustin, including cap screen clearing and a basic draft test, sits in the $189 to $289 range. If you need a spark arrestor or cap replaced, plan on $120 to $350 for parts and labor depending on the cap model and Flue count. A Level 2 camera inspection, which we recommend for any North Tustin flue that’s never been relined, adds $150 to $300. Relining jobs vary widely by flue size and access, and those quotes come after we’ve put eyes on the actual condition of your tiles. Every estimate is free, and we won’t quote a liner without a camera image you can see. Call (855) 341-3461 and we’ll put a number on your specific chimney.
Serving North Tustin, CA — Our Local Coverage Area
We’re based in the North Tustin 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 – Gelco Chimney Cleaning in North Tustin
In this ZIP, it’s a blocked cap more often than creosote. If smoke backs into the room only when the wind comes from a certain direction, or only after weeks without use, the most likely culprit is leaf debris and nests plugging the Gelco cap screen, or a wind-driven downdraft behind a missing arrestor. We’ll clear the cap and test the draft before we touch the flue walls. If it’s still smoking after that, we’ll camera the flue. Call (855) 341-3461 and we’ll diagnose it properly.
Yes, and we recommend it on every North Tustin chimney built before 1980. A Level 2 camera pass shows what’s happening inside the original clay tiles: hairline cracks, eroded mortar joints, spalled sections, and whether creosote has reached the framing. This isn’t a scare tactic; it’s the only way to see whether a sixty-year-old Gelco flue is still doing its job. We include the camera report with the job.
Often, yes. Many Gelco multi-flue caps use a separate arrestor screen that can be replaced independently, and we carry common sizes on the truck. If the cap body itself is rusted through or the mounting brackets are failing, we’ll tell you straight and quote a replacement cap instead. We won’t sell you a new cap when a new arrestor is all you need. Call (855) 341-3461 for a quick cap inspection.
Even if you light a fire only a handful of times each year, sweep it annually. North Tustin’s dry summers mean creosote left from even a few burns hardens into a glaze that’s harder to remove later, and the long unused stretches encourage birds and squirrels to nest in uncapped flues. We also check cap condition and spark arrestor status on every sweep, which matters here because insurance carriers in high-fire-severity zones keep asking for exactly that.
No. We sweep and inspect first. If the tiles are intact and the mortar joints are holding, you get a clean flue and a cap check, not a reline pitch. Relining is reserved for flues that show real damage on camera – cracked tiles, missing mortar, or heat staining on the surrounding structure. You’ll see the images before you see any quote. That’s how we work in every North Tustin home, and it’s why neighbors call us back.
Service Areas Near North Tustin
We also serve Gelco customers in the surrounding Orange County communities, including Garden Grove, Midway City, Stanton, Westminster, Anaheim, and Fountain Valley. If you’re outside the 92711 ZIP but nearby, we’ll take the same approach: diagnose, sweep, and only recommend what the camera shows. See our Gelco service in Huntington Beach or Gelco service in Hawaiian Gardens pages for more local detail.
Book Your Gelco Service in North Tustin Today
Ready for a sweep and cap check that gets the diagnosis right? Call (855) 341-3461 and we’ll set up a free estimate. Serving North Tustin with honest Gelco inspection, cleaning, and cap work.
Written by Russ Dempsey, Owner at Walnut Chimney, serving North Tustin since day one.