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 Walnut Creek
A chimney sweep in Walnut Creek typically costs between $189 and $329 for a standard fireplace with a Level 1 inspection included, and most appointments take 45 to 90 minutes. If you’re in 94595, 94596, 94597, or 94598 and haven’t had the flue looked at in a few years, now is the time to get on the schedule before the first cold snap. Our Chimney Sweep crew works throughout Walnut Creek every week, and we know exactly what the oak canopy and those long idle summers do to a chimney out here. Call (855) 382-9432 and we’ll get you booked.
Why Chimney Sweep Berkeley Is Walnut Creek’s Preferred Chimney Sweep Company
Walnut Creek homeowners keep calling us back for one simple reason: we tell you what we found, not what sells the biggest job. When our tech comes down off your roof in the Rancho San Miguel area or over near Heather Farm Park, you get a straight answer about what’s in the flue, what’s wearing out, and what can safely wait another season.
Noel Cafferty built this company around the idea that a sweep report should read like a mechanic’s write-up, not a sales pitch. That’s why we show every customer their camera inspection footage before recommending anything. If the clay tile liner is cracked, you’ll see the crack. If the cap is packed with acorns, you’ll see the acorns. The decision is yours, with real evidence in front of you.
We’re in Walnut Creek several days a week, and our service area covers all four ZIP codes without a travel surcharge. When you call (855) 382-9432, we’ll give you a flat price before we book the appointment. No mystery add-ons after the fact.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Chimney Services in Walnut Creek
Chimney Services in Walnut Creek mean a lot more than running a brush up a flue. We’re looking at the cap, the crown, the flashing, the firebox, and the liner, because on a 1960s ranch in the 94596 ZIP, all five of those components are original equipment by now. A standard sweep with a Level 1 inspection here runs $189 to $329, depending on the fireplace type and how much creosote has built up.
Camera Inspection and Cleanout
Every sweep includes a camera inspection of the flue liner and smoke chamber. If we find a stage-two creosote glaze or a hairline crack in a clay tile, you get the footage and an honest recommendation. No pressure to fix it that afternoon, but you’ll know exactly what you’re looking at.

Cap, Crown, and Flashing Check
On Walnut Creek homes near the open space, caps fail early from acorn caches and squirrel activity. We check the cap screen, the crown mortar, and the flashing seal every visit, and photograph any rust-through or separation so you can plan the repair on your own timeline.

Chimney Sweep Certified in Walnut Creek
Chimney Sweep Certified work in Walnut Creek means the sweep is performed to a documented standard, not just a visual once-over. We follow a Level 1 inspection checklist on every standard appointment, so the firebox, damper, smoke chamber, flue liner, and exterior cap all get looked at. A certified sweep in this area costs $189 to $329 for a basic fireplace, with the higher end reflecting heavier creosote buildup or a hard-to-access roof pitch.
Creosote and Soot Removal
Walnut Creek’s idle-summer pattern lets residue sit and harden for months, which is why first-degree creosote turns into a sticky second-degree layer faster than people expect. We remove it with rotary brushes and hand tools matched to your liner type, because clay tile and stainless call for different approaches.
Annual Sweep and Seasonal Readiness
If you burn even a dozen fires a year in a Walnut Creek ranch or split-level, an annual sweep is the right interval. We flag anything that would fail an inspection and give you a photo report you can keep for insurance or a future home sale.
Trusted Brands We Service in Walnut Creek
We install and service components from HeatShield, Gelco, Olympia Chimney, and Famco, so when a Walnut Creek chimney needs a new cap or a flue resurfacing, the parts are professional-grade rather than big-box substitutes. HeatShield lets us restore a deteriorated clay tile liner without a full replacement in many cases, which saves thousands on homes where the original liner is cracked but the structure is still sound. We keep common cap and damper parts stocked, so a repair in the 94598 or 94595 area doesn’t have to wait on a special order. We work with the brands chimney professionals trust, and we’ll tell you exactly which one goes on your house and why.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Walnut Creek Homes
- Acorn-packed caps and squirrel nests near the open-space edges. Homes bordering Shell Ridge and the parkland in 94598 get hit every fall, and a blocked cap backs smoke into the living room on the first cold night.
- Cracked clay tile flue liners on 1960s and 1970s fireplaces. Decades of stop-start burning and idle summers open hairline cracks that a standard brush sweep can’t fix. HeatShield resurfacing addresses this without a full reline.
- Crumbling firebox mortar joints from intermittent use. We see this constantly in Walnut Creek’s tract ranches and split-levels. The firebox is repairable, but it needs to be flagged before the season starts.
- Cold-masonry cracking after long idle spells. When a damp chimney sits unused through a mild Walnut Creek winter and then gets a hot fire, the thermal shock opens small cracks in the crown and smoke chamber that grow over time.
Pricing for Chimney Sweep in Walnut Creek, CA
A standard chimney sweep in Walnut Creek with a Level 1 inspection runs $189 to $329. Two-story homes and steep roof pitches add labor, typically $30 to $60 more. If the creosote is at stage three, a chemical or mechanical treatment adds $80 to $150 to the job. New stainless caps from Gelco or Olympia Chimney installed in Walnut Creek run $140 to $320 depending on flue size, and a HeatShield flue resurfacing typically lands between $1,800 and $3,400, far less than a full reline. Every job starts with a free estimate, and the price we quote is the price on the invoice. Call (855) 382-9432 for an exact quote on your fireplace.
We Also Serve Cities Near Walnut Creek
Our crew covers the East Bay beyond Walnut Creek, including regular routes through Berkeley, Oakland, Piedmont, and Albany. If you’re in any of those cities and need a sweep, a dryer vent cleaning, or a chimney repair, the same camera-and-photo-report standard applies. Chimney Sweep in Walnut Creek is our regular beat, but we’re never far from your street.
Serving Walnut Creek, CA – Our Local Coverage Area
We’re based in the Walnut Creek 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 Walnut Creek
Even if you only burn a handful of fires a year, Walnut Creek’s oak canopy and resident squirrels mean the cap and flue should be inspected every fall before the first cold snap. Wildlife can pack a cap or a smoke chamber in a single season, and a blocked flue is a carbon monoxide hazard whether you burn often or not. Call (855) 382-9432 to get on the fall schedule before the rush.
The cap and crown fail first on most Walnut Creek chimneys, followed by the flashing and the clay tile flue liner. That’s because acorn caches and squirrel nesting block the cap every autumn, standing rainwater works into the crown mortar, and the idle-summer cycle lets small cracks grow before anyone notices. Our camera inspection pinpoints which component is actually failing, so you’re not guessing.
For Walnut Creek’s wet-winter and idle-summer cycle, stainless is the right call. Galvanised caps corrode at the weld points after a few seasons of standing rainwater and oak debris, while stainless holds up far longer. We install stainless caps from Gelco and Olympia Chimney, sized to your flue and screened against the local wildlife pressure.
Crumbling firebox mortar is a repairable chimney issue, and we’ll flag it during a standard sweep. Walnut Creek’s 1960s and 1970s fireplaces often show mortar joint deterioration from decades of stop-start burning, and the repair can usually be done with refractory mortar rather than a full firebox rebuild. The sweep reveals the problem; the repair stops it from spreading.
Smoke rolling into the room on the first cold night almost always means a blocked flue or cap, usually from squirrel nests or acorn caches built during the idle season. On Walnut Creek homes near the open-space edges, this is the single most common call we get every October and November. A sweep clears the blockage and a screened cap keeps it from coming back. Call (855) 382-9432 and we’ll get it sorted before the next fire.
If your Walnut Creek chimney hasn’t been swept this year, don’t wait until the smoke backs into the room. Call (855) 382-9432 for a free estimate, a flat quote, and a camera-verified inspection report you can see for yourself. We serve all of Walnut Creek, including 94595, 94596, 94597, and 94598, with the same straight-talking standard on every job.
Written by Noel Cafferty, Owner at Chimney Sweep Berkeley, serving Walnut Creek and the greater East Bay.