Level 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.
Before
After
Before
After
Before
AfterFast, Reliable Chimney Inspection Across Ontario
A standard chimney inspection in Ontario, CA runs $149 – $289 for a Level 1 visual check, and $249 – $499 for a Level 2 camera inspection, which is what most Ontario homeowners should book given the wind-driven grit this valley sees. Flint Chimney Sweep has been inspecting chimneys in the Cucamonga Valley wind corridor since 2002. Our background-checked, uniformed technicians arrive with flat pricing in writing before any tool comes off the truck. Call (830) 251-4560 and a live person answers, 24 hours a day.
Why Flint Chimney Sweep Is Ontario’s Preferred Chimney Inspection Company
Ontario homeowners deal with a specific kind of chimney wear: fine grit and dust pushed by Santa Ana winds into uncapped flues, cracked crowns from UV and thermal swings, and fireboxes that look clean from the living room while creosote builds behind the damper. That’s the inspection work we do most often in Ontario. Every inspection includes a written report with photos, so you see exactly what we see. Nothing is recommended without camera evidence you can review yourself.
We run every Ontario job under The Garrison Standard, the same code followed across the Garrison Partners family of independently owned chimney companies. That means a written price before work starts, a background-checked tech in uniform at your door, and the 365-Day Done Right Promise on any repair we perform. If a covered repair fails within one full year, we return at no charge. That’s not a sales pitch. It’s in writing.
Dispatch for Ontario is coordinated from our Inland Empire office, so crews reach neighborhoods across the city quickly. Whether you’re up near Chaffey College, off Eucla Avenue, over by the Ontario Mills area, or in a 91762 or 91764 neighborhood, the scheduling is straightforward: call, get a time window, get a written price at the door. No moving the number after the fact. Hank Delano runs the team and holds every tech to the same standard.
Chimney Leak in Ontario
A Chimney Leak in Ontario usually traces back to a cracked or spalling crown, a failed chase cover, or a compromised brick mortar joint, and flat-roofed ranch homes built here in the 1950s through 1970s show this wear faster because their crowns take full sun and wind exposure year-round. When you see water staining on the ceiling near the chimney, efflorescence on the brick face, or dampness inside the firebox after a storm, the leak has already been working for a while. In Ontario, the typical repair runs $275 – $650 for a crown reseal or chimney cap replacement, and $400 – $900 when flashing around the roofline needs to be pulled and replaced.
The dry season in the Cucamonga Valley can hide a chimney leak for months. Rain is infrequent, so a small crown crack might not show itself until the first real storm, by which point the water has soaked into the brick or run down alongside the flue liner. We inspect the full exterior and interior path with a camera on Leak calls, because water rarely enters the way homeowners expect. The point of entry is often ten feet away from where the stain appears.
Crown and Flashing Failure on Older Ontario Homes
Ontario’s housing stock skews toward mid-century ranch construction. The flat or low-slope chimney crowns on those homes crack faster than the poured crowns on newer track builds, because thermal swings in the valley are wide: hot afternoons, cool nights, and dry Santa Ana stretches that bake the top layer of mortar. Cracks smaller than a hairline are hard to see from the ground.
Homeowners often assume a leak means the flashing leaked. Just as often, water comes in through a cracked crown and travels down before it finds an exit at the roofline. A Chimney Leak diagnosis starts with a full visual of the crown, chase cover, and flashing, then a water-path camera review inside the flue. You’ll get a photo report showing exactly where water is entering and what needs to be fixed. And if the repair is covered, the 365-Day Done Right Promise applies in writing.
Chimney Camera Inspection in Ontario
A Chimney Camera Inspection in Ontario typically runs $249 – $499, and it’s the single most useful diagnostic for homeowners in this part of the Cucamonga Valley, because a visual sweep alone cannot show you what the wind, dust, and dry-season thermal cycling have done inside the flue. We send a high-resolution camera through the smoke chamber, flue liner, and chimney crown path. The footage is reviewed frame by frame, and you get the same high-resolution photos we use to make our recommendations.
On a flat-roofed ranch house off Eucla Avenue near Chaffey College, our tech pulled a Level 2 chimney camera inspection on an Olympia Chimney flue liner and found second-degree creosote flaking along the smoke chamber plus a cracked chimney crown letting grit drop past the damper. We ran a poly brush, spot-cleaned the firebox, resealed the crown, and handed the homeowner a photo report showing before-and-after shots of every joint. No fire in that box for two seasons. The weather and wind did the damage.
What a Level 2 Camera Inspection Shows in Ontario Flues
In the Ontario wind corridor, camera footage often reveals fine abrasive debris packed into the smoke chamber even when the firebox looks clean. That’s the false sense of security we see most: a homeowner peeks past the damper, sees no heavy soot, and skips the annual inspection. The camera shows what that habit costs.
We also look for cracked flue tiles, separated mortar joints, and damaged or missing chimney caps during a camera pass. A chimney cap serves a real purpose in Ontario. Without one, the Santa Ana winds push fine grit down into the flue and the firebox, which then scratches and wears the liner surface over years. If the camera confirms wear that’s still minor, we tell you exactly that, in writing, with photos to back it up. No pushing a liner replacement that the footage does not support.
Trusted Brands We Service in Ontario
We inspect and service flue liners and components from the chimney trade brands Ontario homeowners trust: Olympia Chimney, Copperfield, Famco, and DuraFlex. Our techs carry common repair parts for these systems, so a cracked cap, a failed damper, or a worn chase cover on a mid-century Ontario ranch is often addressed on the first visit. When a component needs replacement, we specify the brand and model line in writing before you approve a dollar. That’s the Garrison Standard: name the material, name the price, then the work begins.
Common Chimney Inspection Problems We See in Ontario Homes
- Santa Ana wind grit and debris in the flue: In Ontario, fine dust and abrasive particles sift into open flues and fireboxes without a proper cap. Homeowners assume it’s clean because the damper isn’t visibly sooty, but the camera often shows a grit-packed smoke chamber from wind, not burning.
- Cracked and spalling chimney crowns: The UV and thermal swings in the Cucamonga Valley crack crowns on flat-roofed ranch homes faster than on pitched-roof builds. A hairline crown crack can let water in for months before any stain appears, and it’s often misread as a flue problem.
- Creosote flaking in the smoke chamber on no-burn years: Even when a fireplace hasn’t been used in a season or two, old creosote can flake and detach from the smoke chamber walls. The Santa Ana dry heat accelerates this by pulling moisture out of the existing deposits, turning them brittle.
- Animal nesting behind the damper: Uncapped or poorly capped flues in Ontario attract birds, squirrels, and rodents during the dry months. A nest near the damper is a fire hazard and a carbon monoxide risk, and it typically happens in the exact same no-burn years homeowners skip the inspection.
Pricing for Chimney Inspection in Ontario, CA
A Level 1 visual inspection in Ontario runs $149 – $289, depending on chimney height, roof access, and whether the roof is flat or pitched. A Level 2 camera inspection, which we recommend for Ontario homeowners because of the wind-driven grit and crown wear this valley produces, runs $249 – $499. When an inspection turns up a problem that needs repair, you get a separate written quote. The inspection price never turns into an upsell line item. Real estate inspections for home sales in Ontario run $299 – $599 and include the written photo report that lenders and buyers typically require. Every estimate for Ontario homeowners is free. Call (830) 251-4560 and ask for Hank Delano’s team.
Flint Chimney Sweep is the Chimney Inspection company Ontario homeowners call when they want the camera evidence, the straight answer, and a brand-name fix in writing. We’ve worked on chimneys in every corner of Ontario, from Eucla Avenue to Ontario Mills to the neighborhoods near Chaffey College.
We Also Serve Cities Near Ontario
If you live just outside Ontario, our crews cover Chimney Inspection in Ontario and the surrounding Inland Empire communities: Montclair, Claremont, Upland, and Rancho Cucamonga. Same flat pricing, same written guarantee, same crew standard. Call (830) 251-4560 and tell us which city you’re in.
Serving Ontario, CA - Our Local Coverage Area
We’re based in the Ontario 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 Inspection in Ontario
Yes, and in Ontario this matters more than in damper coastal climates, because the Santa Ana winds push grit and fine debris into open flues and the dry thermal swings crack chimney crowns whether you burn or not. A chimney that hasn’t been burned can still develop animal nesting, mortar joint separation, and creosote flaking behind the damper. NFPA 211, the national fire protection standard we follow, recommends an annual inspection regardless of usage. Skipping a no-burn year is the single most common way Ontario homeowners end up with a chimney fire hazard they didn’t know they had. Call (830) 251-4560 for a free estimate on a Level 1 or Level 2 inspection.
A Level 1 inspection in Ontario covers the readily accessible portions of the chimney: firebox, damper, visible flue lining, exterior brick or chase, and basic clearances, and runs $149 – $289. A Level 2 inspection adds the camera pass through the full flue, smoke chamber, and crown path, and runs $249 – $499. Ontario homeowners on flat-roof ranch builds or with uncapped flues should lean toward Level 2, because the wind-driven grit this valley produces hides problems a Level 1 visual cannot see. If you’re buying or selling a home in Ontario, a Level 2 is what most lenders and inspection contingencies expect. Call (830) 251-4560 and we’ll walk through which level fits your chimney.
Third-degree creosote looks like a hard, glossy, tar-like glaze on the flue walls, and it forms when first- and second-degree deposits are repeatedly heated without being removed. You cannot fully see this from the firebox or damper. The camera inspection shows it, and our tech will show you the footage frame by frame, not just hand over a written summary. Third-degree creosote is a genuine chimney fire fuel source, and we treat it seriously. The removal process is a poly brush run, sometimes paired with a chemical treatment specified to the flue type, and the cost in Ontario runs $350 – $850 depending on flue length and access. If the camera shows it’s not third-degree, we’ll tell you that plainly. Call (830) 251-4560 for an exact camera inspection quote.
Yes, and Ontario’s Santa Ana wind corridor is the specific reason. Dust and fine grit driven into an uncapped flue create an abrasive wear pattern that builds up inside the smoke chamber and on the liner surface even when the homeowner never burns. A camera inspection shows exactly where that grit has settled, whether the liner is scratched or compromised, and whether the crown is cracked from UV and thermal swings. Coastal chimneys a few miles west suffer more from moisture and salt air, but Ontario’s problem is wind-driven dust and dry-season crown failure. Without the camera, you’re guessing. Call (830) 251-4560 for a Level 2 camera inspection quote.
Once a year, and we recommend scheduling it in late summer or early fall, before the Santa Ana season peaks and before the holiday burn season. The annual timing catches grit accumulation from the previous wind season and gives us a clean slate before the first fire. Ontario homeowners with uncapped flues or flat-roof ranch chimneys should not stretch this beyond twelve months. If you’ve skipped a year or two, book a Level 2 camera inspection first, so we can establish a real baseline. Call (830) 251-4560 and schedule a free estimate for your next Ontario chimney inspection.
Written by Hank Delano, Owner at Flint Chimney Sweep, serving Ontario since 2002.