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 Monrovia
A standard Chimney Sweep in Monrovia typically runs $189 – $289 and takes 60 – 90 minutes. That price includes a full firebox clean, flue brushing, and a basic safety check before we pack up. Call (626) 657-5513 and we’ll give you a written price before any tool leaves the truck.
We dispatch crews from our Los Angeles office into Monrovia every weekday, and we know the terrain: tight canyon streets, older Craftsman bungalows, and chimneys that have seen decades of canyon winds. Our technicians arrive in uniform, background-checked, and ready to explain exactly what they’re doing and why.
Why Flint Chimney Co Pasadena Is Monrovia’s Preferred Chimney Sweep Company
Monrovia homeowners call us because we put the price in writing before the job starts. No door-knock surprises, no “while we’re here” upsells. That’s part of The Garrison Standard, the operating code every Garrison Partners location follows. Flint Chimney Sweep has been part of that family since 2002, and Hank Delano runs this operation with the same discipline.
Our written guarantee is called the 365-Day Done Right Promise. Every repair carries it. If a covered repair fails within one full year, we return at no charge. That’s not a verbal assurance, it’s on the invoice. Monrovia customers in neighborhoods like the North Foothill area and along Myrtle Avenue have that same guarantee on every sweep, inspection, and repair we do.
When you call, a live person answers. That means 2 a.m., Saturday, holidays. No voicemail tree. You’ll get a straight answer about scheduling and pricing.
Styles & brands we work with
Chimney Sweep Certified in Monrovia
Chimney Sweep Certified in Monrovia means the technician at your door is background-checked, uniformed, and trained to identify creosote conditions by type, not just remove what’s visible. In Monrovia’s older neighborhoods north of Foothill Boulevard, that matters. Many homes built before 1980 still have original masonry chimneys with unlined flues, which accumulate creosote faster and are more prone to chimney fires, a risk amplified by Monrovia’s location in a high fire hazard severity zone.
We remove creosote, soot, and debris from the firebox, smoke chamber, and flue. We also check the damper, smoke shelf, and cap. If we see third-degree creosote glaze, brush-only sweeping won’t cut it. We’ll tell you plainly and give you a written price for the right method.
The Sweep Itself
A standard sweep in Monrovia runs $189 – $289. That covers the full firebox and flue brushing, soot and creosote removal, and a visual check of the cap and damper. We lay drop cloths, use a HEPA vacuum, and leave the hearth cleaner than we found it.
When Local Conditions Demand More
Homes bordering the urban-wildland interface need spark arrestor maintenance. Santa Ana winds drive embers and debris into chimneys, and a missing or damaged spark arrestor turns a routine sweep into a fire hazard. We inspect the arrestor on every call and tell you if it needs replacement.
Gas Fireplace Cleaning in Monrovia
Gas Fireplace Cleaning in Monrovia runs $149 – $249 and includes disassembling the glass front, cleaning the burner and pilot assembly, brushing the firebox, and checking the venting. Most Monrovia owners skip this until the glass goes dark or the flame turns yellow. By then, dust and carbon buildup have already reduced efficiency and can compromise indoor air quality.
We clean the logs, ember bed, glass, and burner ports. We also check the thermostat, remote, and gas valve operation. If the venting is shared or the unit sits in an older pre-1980s fireplace, we flag it for a closer look.
The Glass and Burner
Foggy or white-filmed glass is mineral deposits and combustion dust. We remove the glass, clean both sides with the right cleaner, and inspect the gasket. If the gasket is brittle, we tell you before reassembly, not after.
Venting and Shared Flues
In Monrovia’s older housing stock, gas fireplaces sometimes vent into flues originally built for wood. That’s a code and safety issue. If a neighbor’s appliance shares a stack, cross-contamination risk rises. We identify it and give you a written repair path, often with a DuraFlex stainless liner to separate flues properly.
Trusted Brands We Service in Monrovia
We work with professional-grade materials from Olympia Chimney, DuraFlex, and Copperfield, specified by the job, not by margin. When a Monrovia home needs a new cap, a liner, or spark arrestor components, we install what matches the existing setup and meets current code. We stock common parts locally, so turnaround on replacements is faster, often same-week. If a part is backordered, you’ll know before we schedule, not after we open the wall.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Monrovia Homes
- Unlined flues in pre-1980s masonry chimneys. Especially north of Foothill Boulevard, original clay liners crack with age and thermal stress. Cracked liners let embers reach framing, and during Santa Ana wind events, that’s a fire path. We recommend a Level 2 inspection on any older Monrovia home that hasn’t had one in five years.
- Shared flues in attached or tightly spaced homes. On a street of 1920s Craftsman bungalows north of Foothill, our techs found two adjacent homes sharing a masonry chimney stack. The neighbor’s older gas appliance was venting into the same flue as a wood-burning fireplace. During a Level 2 inspection we identified a cracked clay flue liner and heavy second-degree creosote in the shared stack. We cleaned both fireboxes and installed a DuraFlex stainless liner to separate the flues and restore proper draft.
- Third-degree creosote glaze from seasonal burning. Monrovia’s Mediterranean climate means fireplaces sit idle through warm, dry summers, then burn heavily in winter. Idle periods let moisture harden creosote into a shiny glaze that brushes won’t remove. We use chemical treatments and rotary cleaning methods for glaze, and we’ll show you the before-and-after with a camera.
- Missing or damaged spark arrestors near the wildland interface. Monrovia borders brush zones, and embers travel far in Santa Ana winds. A missing spark arrestor on a chimney carrying any fire risk is a code violation and a real fire hazard. We check them on every call and keep common sizes on the truck.
Pricing for Chimney Sweep in Monrovia, CA
A standard Chimney Sweep in Monrovia runs $189 – $289. Gas fireplace cleaning runs $149 – $249. A Level 1 inspection is typically $99 – $149 when bundled with a sweep. A Level 2 inspection, which is what we recommend for pre-1980s homes with unlined or shared flues, runs $249 – $399 depending on the access and number of flues.
What moves the price: roof pitch and access, creosote condition, whether the flue is lined or unlined, and whether repairs are needed. You always get a written price before work starts. No exceptions. Call (626) 657-5513 for a free estimate, and the number on that estimate is the number on the invoice.
We Also Serve Cities Near Monrovia
Our crews regularly handle chimneys in Arcadia, Duarte, Baldwin Park, and Temple City. If you’re in a neighboring community, the same written pricing, guaranteed repairs, and live-person scheduling apply. Call (626) 657-5513 and we’ll confirm coverage and get you scheduled.
Serving Monrovia, CA - Our Local Coverage Area
We’re based in the Monrovia 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 Monrovia
Santa Ana winds drive embers, dry leaves, and fine debris into chimneys, especially on homes near the urban-wildland interface. A missing or damaged spark arrestor makes it worse. Between cleanings, check the cap visible from the ground and call (626) 657-5513 if anything looks off. A quick inspection is cheaper than a chimney fire.
It is not safe without knowing the flue’s condition. Unlined flues in Monrovia homes built before the 1980s often have hidden cracks that let heat and embers reach framing. We recommend a Level 2 inspection before first use. A camera inspection gives you proof, and if a liner is needed, we’ll show you the images before quoting.
Do not use the fireplace until it’s inspected. Shared flues create cross-contamination risk and carbon monoxide paths. We handle this in Monrovia’s older attached and closely spaced homes. We’ll run a camera, map the flue path, and quote a separation solution, typically a DuraFlex stainless liner. The written price comes before any work, and every repair carries the 365-Day Done Right Promise.
Once a year, even with light use. Monrovia’s wet winters and dry summers harden creosote into glaze that a light-use fireplace still produces. An annual sweep costs $189 – $289 and takes one visit. Skipping years lets third-degree creosote build up in unlined flues, and that’s a fire hazard. Call (626) 657-5513 to schedule at your convenience.
Yes. Gas fireplace cleaning in Monrovia runs $149 – $249 as a standalone service, or it can be bundled with a chimney sweep. We clean the glass, burner, pilot assembly, ember bed, and check venting. If the gas unit vents into a shared or unlined flue, we flag it during the same visit and quote any needed separation or liner work.
Written by Hank Delano, Owner at Flint Chimney Co Pasadena, serving Monrovia since 2002.