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 El Monte, CA
Chimney repair in El Monte usually lands somewhere between replacing a rusted-out 1950s firebox and rebuilding a crown that cracked during a past earthquake. Most of the chimneys we work on here belong to single-story tract homes built between 1948 and 1965, and the problems we find are almost always the same: deteriorated mortar, unlined flues, and fireboxes that look fine until you run a camera down them. Walnut Chimney has served El Monte since 2017, and we handle the full stack from the firebox to the cap. Call (855) 341-3461 for a straight answer on what your chimney actually needs.
Why El Monte Homes Are Different
El Monte’s housing stock is overwhelmingly mid-century tract construction. The 91731, 91732, and 91733 neighborhoods grew fast after WWII, and builders put in masonry fireplaces because that is what the market expected, not because anyone in the San Gabriel Valley burns fires year-round. The result is decades of chimneys that sat unused, collected what the dry Santa Ana winds pushed in, and only got inspected when a home changed hands or a cold snap hit.
That idle time matters. Creosote in a used chimney is soft and brushes out. Creosote in an El Monte chimney that has gone through three hot summers and two mild winters without a fire is hard, glossy, and baked onto the flue walls. We also see more animal intrusion than most cities our size. Birds, squirrels, and raccoons find uncapped flues in the 91732 flats and set up shop, and the nests they bring sit directly above the firebox. Add in the seismic history of this part of Los Angeles County, and you get flue tile cracks that let heat reach the framing. El Monte jobs are less about soot and more about what time and weather and animals did while nobody was looking.
Styles & brands we work with





Our Main El Monte Services
Two services account for most of the calls we take in El Monte: chimney sweeping and dryer vent cleaning. Both are fire-safety work, and both are frequently overdue by years when we arrive.
Chimney Sweep in El Monte
Most El Monte sweeps turn into small archaeological digs. We remove nests, hardened creosote, and the debris that falls in from uncapped flues, then run a camera to document the flue’s actual condition. On many 1950s brick chimneys in this city, the camera finds hairline cracks or missing mortar joints that a visual inspection would never catch. A clean chimney is a measurable thing, and we show you the before and after. Call (855) 341-3461 to book a Chimney Sweep in El Monte.

Dryer Vent Cleaning in El Monte
El Monte’s dry summers push dryer lint to static-charged surfaces inside the vent run, and the longer the run, the more lint packs in. Many of the single-story homes here have interior laundry rooms with long horizontal vent paths through attic or crawlspace, which is exactly the configuration the NFPA warns about. We treat dryer vent cleaning as a core safety service, not an add-on, and we sweep the entire run from the back of the dryer to the exterior termination. Call (855) 341-3461 for Dryer Vent Cleaning in El Monte.

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 El Monte
Chimney repair in El Monte is usually about age. Homes built between 1948 and 1965 have chimneys that have now been standing for sixty to seventy-five years. Many flues were never lined to begin with, and the ones that were lined have clay tiles that shifted during earthquakes and now have gaps at the joints. We repair what we find, and we use the right brand for the job rather than forcing one material onto every chimney. From the firebox to the cap, we handle the full system. That includes Chimney Repair work from cap to crown to liner.
Chimney Cap Installation
Signs you need it
You hear or see animals near the flue, find twigs or nesting material in the firebox, or notice water stains on the ceiling near the chimney chase.
What it costs in El Monte
Chimney cap installation in El Monte typically runs $440 to $650 including the cap and labor, depending on flue size and access.
How we do it
We measure the flue opening, select a stainless cap from brands like Gelco or Copperfield, and secure it to the crown or flue tile with mechanical fasteners rated for Santa Ana wind loads.
Chimney Liner Installation
Signs you need it
Your camera inspection shows cracked or missing flue tile joints, or the chimney has no liner at all, which is common in El Monte homes from the 1950s.
What it costs in El Monte
Chimney liner installation in El Monte typically ranges from $3,200 to $5,500 for a full DuraFlex stainless liner system sized to the appliance and flue.
How we do it
We run a camera first to confirm measurements, then pull a correctly sized DuraFlex liner through the flue, insulate where code requires it, and connect the appliance at the firebox and the cap at the top.
Chimney Flashing Repair
Signs you need it
You see water in the attic near the chimney, the ceiling around the fireplace shows staining, or the old flashing has pulled away from the mortar.
What it costs in El Monte
Chimney flashing repair in El Monte prices generally sit between $450 and $850, depending on whether we are resealing existing flashing or cutting and installing new step flashing.
How we do it
We remove the old flashing, evaluate the roof-to-chimney intersection, install new step and counter flashing, and seal the joint with a high-temperature, weatherable sealant.
Chimney Crown Repair
Signs you need it
The concrete crown at the top of the chimney has cracks, pieces missing, or has spalled so badly that water pools against the flue tile.
What it costs in El Monte
Chimney crown repair in El Monte typically falls between $650 and $1,100, depending on whether we are resurfacing a minor crack bed or rebuilding the crown from scratch.
How we do it
We either fill and resurface small cracks with a flexible crown coat or, for failed crowns, form and pour a new concrete crown with a proper drip edge and expansion joint around the flue.
What Chimney Repair Costs in El Monte
| Item | Typical range in El Monte |
|---|---|
| Chimney cap installation | $440 – $650 |
| Chimney flashing repair | $450 – $850 |
| Chimney crown repair | $650 – $1,100 |
| Chimney liner installation | $3,200 – $5,500 |
What pushes a repair higher in El Monte is usually access: a steep roof pitch on a stucco single-story, a chimney in the center of the roofline rather than the gable end, or a flue that needs a heavier liner because the original was never correctly sized. Walnut Chimney quotes a flat price before any work starts, and the number we give you over the phone is the number you pay unless the camera reveals something structural we both agree needs attention.
Do I really need a new chimney liner in El Monte?
If the camera shows cracked flue tiles, missing mortar joints, or no liner at all, yes. An unlined or badly cracked flue lets heat and carbon monoxide reach the house framing, and in a 1950s tract home, that gap is often just one brick away from combustible structure. Call (855) 341-3461 for a camera inspection and a straight recommendation.
Can you repair just the firebox, or do I have to replace the whole chimney?
Most of the time we repair only what failed. A rusted heatilator-style firebox or cracked refractory panel in an El Monte 1950s fireplace is a contained repair. We do not recommend replacing brick or rebuilding a chimney unless the structure itself has lost integrity. Call (855) 341-3461 for an honest read on your specific firebox.
Brands We Service in El Monte
Walnut Chimney works with professional-grade materials including DuraFlex, HeatShield, and Copperfield. We keep common cap sizes, flashing stock, and refractory panels on hand for El Monte’s standard mid-century flue dimensions, which means many repairs happen in one trip without a week-long wait for parts. Read about our brands.
See the difference
Before
After
Before
After
Before
AfterPricing for Chimney Company in El Monte, CA
| Service | Typical range in El Monte |
|---|---|
| Chimney sweep | $199 – $370 |
| Level 2 camera inspection | $275 – $500 |
| Chimney cap installation | $440 – $650 |
| Chimney flashing repair | $450 – $850 |
| Chimney crown repair | $650 – $1,100 |
| Chimney liner installation | $3,200 – $5,500 |
| Dryer vent cleaning | $150 – $260 |
In El Monte, the two things that push a chimney job upward are liner replacements on unlined original flues and flashing or crown work on older stucco homes where the roof line makes staging awkward. Walnut Chimney gives you a flat, upfront price before any work begins, so the camera inspection never turns into a surprise bill.
Neighborhoods We Serve in El Monte
Walnut Chimney sweeps and repairs chimneys across all four El Monte ZIP codes: 91731, 91732, 91734, and 91735. We cover the length of the city on a regular schedule, and most El Monte appointments happen within a week of your call, with a little more lead time in fall before the first cold snap.
- North El Monte (91731)
- El Monte Flats (91732)
- Arden Village (91732)
- South El Monte border (91733 and 91734)
- Lambert and Tyler corridor (91731)
Service Area – Cities Near El Monte
Walnut Chimney also covers the cities and communities around El Monte, including South El Monte, CA, North El Monte, CA, Temple City, CA, and Rosemead, CA. If you are just outside the city line, call us: our service area reaches into the San Gabriel Valley communities where the housing stock and chimney problems are nearly identical to what we see in El Monte every week.
Serving El Monte, CA — Our Local Coverage Area
We’re based in the El Monte 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 El Monte
Most El Monte appointments are scheduled within five to seven business days. During late summer and early fall, when homeowners want fireplaces checked before the first cold night, wait times stretch to about two weeks. Call (855) 341-3461 to see what the current schedule looks like.
Most chimney sweeping, cap installation, flashing repair, and crown repair do not require a city permit. A full liner installation or any structural rebuild may require a permit depending on scope, and Walnut Chimney handles the permitting paperwork when the job calls for it.
We cover the full city: 91731, 91732, 91734, and 91735. Our technicians run routes through El Monte weekly, so we can usually group your appointment with another nearby job and keep the visit short and efficient. Call (855) 341-3461 to confirm your address qualifies.
If your fireplace has not been looked at in years, start with a sweep and a camera inspection. Walnut Chimney serves El Monte homeowners with repair-grade skill, professional brands like DuraFlex and HeatShield, and pricing that is set before the work begins. Call (855) 341-3461 for a free estimate and a straight answer about your chimney.
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 El Monte Customers Say
"Good work. The written inspection report took about a week to arrive after I asked for it, which was slower than I expected."
— Marco Flores"Fireplace had never drawn properly since we moved in. He found the damper was only opening halfway due to a bent linkage and fixed it in ten minutes."
— Elena Salazar"Liner was cracked in two places. He walked me through the repair options honestly, including the one that was cheaper for him and better for me."
— Megan Ackerman