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 North Tustin
When you call Walnut Chimney about a fireplace that won’t draw or a flue that hasn’t been touched in years, we send a technician who understands North Tustin’s older ranch homes and the way their chimneys actually behave. A standard chimney sweep in North Tustin takes about 60 to 90 minutes for a single fireplace, and we book most appointments within a few days. If you’re calling from anywhere in the 92711 ZIP, from Cowan Heights to Lemon Heights to the estates off Newport Avenue, call (855) 341-3461 and we’ll get you on the schedule with a straight answer about what your chimney needs.

Why Walnut Chimney Is North Tustin’s Preferred Chimney Sweep Company
North Tustin homeowners tend to ask the same questions before booking a sweep. Is the technician actually going to inspect the flue, or just brush it and leave? Will I get camera evidence if something looks wrong? Will the same company that finds the problem be able to fix it? That’s the part that matters here, because most of the houses we service in 92711 were built with original masonry fireplaces and clay-tile flues that are now 50 or 60 years old. When those flues show spalling or cracked mortar joints, you want a company that can handle the repair right then, not refer you out.
Walnut Chimney works with six professional-grade brands, including DuraFlex, HeatShield, and Olympia Chimney, so the materials we recommend are matched to the specific flue and venting system in your home. Russ Dempsey built Walnut Chimney around one idea: a chimney and vent safety company that actually repairs what it finds. The sweep, the camera inspection, the repair, the cap replacement, the dryer vent cleaning, it all happens under one roof. For North Tustin homeowners managing multiple fireplaces and flues across a large property, that matters more than a discount.
Key takeaways:
- We sweep, inspect, and repair, and we don’t hand repair work off to a separate contractor.
- We use professional-grade materials from brands like DuraFlex and HeatShield, not generic patch parts.
- Every sweep includes a visual check of the cap, crown, and spark arrestor, which matters in North Tustin’s wildfire zone.
- We serve all of 92711, including Cowan Heights, Lemon Heights, and the Newport Avenue corridor.
Styles & brands we work with





Chimney Services in North Tustin
Chimney services in North Tustin cover more than running a brush up a flue. On a 1960s or 70s ranch home with original masonry work, the job starts with making sure your fireplace, insert, or freestanding stove is actually ventilating safely. Most single-flue sweeping in North Tustin runs between $189 and $289 depending on creosote load and flue height. Homes with multiple fireplaces or stoves are priced per flue, because each one has to be inspected separately. A cap and spark arrestor check is part of that price, not an add-on.
Level 1 and Level 2 Inspections
A Level 1 inspection is the workhorse standard: accessible portions of the flue, cap, and crown checked visually while we sweep. A Level 2 inspection adds a camera run through the flue interior. In North Tustin we recommend a Level 2 on any chimney that hasn’t been swept in five years or more, or on any home where a gas insert or stove has been retrofitted into an older clay-tile flue. The camera sees spalling, cracked mortar joints, and void spaces that a brush alone will never identify.

Creosote and Soot Removal
Creosote in a North Tustin chimney typically sits through a long dry off-season, hardening into a glaze that’s harder to remove than the flaky stuff you see in colder climates. Soot removal is the lighter side of the same job. We remove what’s there, determine the creosote degree, and tell you whether the flue can wait another year or needs a professional resurfacing.

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 Sweep Certified in North Tustin
A certified chimney sweep in North Tustin is doing more than running a brush. The correct standard includes a visual inspection of the firebox, damper, smoke chamber, flue, chimney crown, and cap, all documented. A basic Level 1 sweep with inspection in this area runs about $189 to $249 for a typical single-story ranch. A Level 2 camera inspection adds roughly $150 to $250 depending on flue height and access. If you have five decades of creosote, damaged clay-tile flue liners, or a gas insert tied to an undersized flue, we’ll document it and show you the camera stills before any repair is recommended.
The Annual Sweep
In North Tustin the annual sweep isn’t just a heating-season chore. It’s an insurance and wildfire-readiness measure. We log each flue separately so the gas insert in the den and the freestanding stove in the converted breezeway get inspected on the same calendar, not just the great-room fireplace you actually burn in.
Fireplace Cleaning and Damper Check
Fireplace cleaning covers the firebox, the smoke shelf, the damper assembly, and the hearth surround. Drafty dampers are common in these older homes, and a damper that won’t seat properly pulls conditioned air out of the house and sends smoke back into the room on cool evenings. We inspect the damper blade and frame every time we sweep.

Trusted Brands We Service in North Tustin
We’re not tied to a single manufacturer, and that’s deliberate. North Tustin homes show up with a mix of original masonry fireplaces, retrofitted gas inserts, and freestanding stoves, and each system has its own venting requirements. We use DuraFlex for flexible liner systems, HeatShield for ceramic flue resurfacing, and Olympia Chimney and Gelco for caps, dampers, and venting components. That means when we find a cracked clay-tile flue in a Newport Avenue ranch, the repair recommendation uses a code-compliant material matched to that specific chimney, not whatever happens to be on the truck. For North Tustin customers, parts like caps and damper replacements are sourced quickly, and we handle the install as part of the same visit when possible.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in North Tustin Homes
- Leaf and twig packs from oak and eucalyptus canopies. In the 92711 ZIP, mature trees hang directly over chimney caps. During the dry months, leaves, twigs, and small branches drop straight onto uncapped or poorly capped flues and block the draft. This is the single most common cause of a “smoking fireplace” in North Tustin.
- Bird and squirrel nests in uncapped clay-tile flues. Many of these 1960s and 70s chimneys were built without caps, or the original cap rusted out years ago. A long off-season with no fires gives birds and rodents a quiet place to nest. We’ve pulled nests out of flues that hadn’t been used in two seasons, and the homeowner had no idea the cap was even missing.
- Cracked mortar chimney crowns. The crown is the concrete or mortar surface at the very top of the chimney stack. On North Tustin homes, freeze-thaw cycles, Santa Ana wind, and plain age crack these crowns. Water gets in, degrades the mortar joints, and accelerates spalling in the clay-tile liner below. A cracked crown is a slow structural failure, and most homeowners don’t see it until the smoke problem shows up.
- Multi-flue homes where only one fireplace gets swept. Large-lot ranch properties often have two or three flues: a great-room masonry fireplace, a gas insert in the den, and maybe a stove in a converted breezeway or family room. We regularly see homes where the main fireplace gets swept but the gas insert and stove flues haven’t been inspected in five or ten years. Each flue gets its own inspection on our schedule.
Pricing for Chimney Sweep in North Tustin, CA
A single-flue chimney sweep in North Tustin typically runs $189 to $289. That covers the full brushing, a Level 1 visual inspection, and a check of the cap and spark arrestor. A Level 2 camera inspection, which we recommend for any chimney that hasn’t been swept in five years or for any gas insert retrofit, adds about $150 to $250. Creosote glaze removal, when the buildup is hard and thick, adds $50 to $150 depending on severity. The honest variable is flue condition: a cracked crown or a damaged clay-tile liner is a repair item, not a sweep item, and we’ll show you the camera evidence before any number is discussed. Call (855) 341-3461 for an exact quote. Estimates are free.
We Also Serve Cities Near North Tustin
Our Chimney Sweep crews cover most of central Orange County. If you’re in North Tustin or just across the city line in Tustin, Orange, Villa Park, or Santa Ana, we’ll come out the same way we would for a neighbor: with the right equipment, camera included, and a straight answer about what’s safe.
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 About Chimney Sweep in North Tustin
Yes. Each flue is a separate venting system with its own cap, crown condition, and creosote or nesting risk. A great-room masonry fireplace, a den gas insert, and a freestanding stove in a converted breezeway all need individual inspections on the same annual schedule. We log each appliance separately in our system, so nothing falls off the list. Call (855) 341-3461 to set up a per-flue inspection for your property.
In North Tustin this usually isn’t creosote. It’s often a leaf-and-twig pack sitting on the cap, a bird nest in the flue, or a cracked chimney crown that’s letting draft pressure escape. Cool evening air running down uncapped flues also makes smoke spill into the room, especially when the damper seat is worn. We check the cap, crown, and damper every time we sweep, because the “smoking fireplace” call in 92711 is more often a venting obstruction than a dirty flue.
Yes, and in North Tustin’s unincorporated high-fire-severity zone it matters more than most homeowners realize. A sweep that includes a spark arrestor and cap inspection is exactly the kind of defensible, documented fire-safety work that insurance carriers increasingly ask for before wildfire season or renewal. When we inspect your chimney, we document the cap, crown, and spark arrestor condition and note creosote buildup in the flue, all of which you can report to your carrier. If there’s an issue, we fix it. That’s the point.
Creosote is classified by degrees: first-degree is flaky and easily brushed, second-degree is a hard granular deposit, and third-degree is a tar-like glaze that’s resistant to standard sweeping. On a 1960s or 70s clay-tile flue, third-degree creosote is a genuine fire risk because it can ignite at relatively low temperatures and the older flue may already have spalling or cracked joints. We identify the degree each time we sweep, and if it’s glaze, we talk about HeatShield resurfacing or a liner replacement rather than pretending a brush fixed it.
Yes, and not just for draft reasons. A cracked crown lets water into the masonry stack, which degrades mortar joints and accelerates spalling inside the clay-tile flue. A missing cap lets in leaves, twigs, and birds, which is exactly how North Tustin flues get blocked during the dry off-season. Both also compromise your spark arrestor coverage, which matters in this fire-severity zone. We stock caps and crown materials for North Tustin homes and can usually combine a crown repair or cap install with your next sweep. Call (855) 341-3461 and we’ll schedule an inspection.
Written by Russ Dempsey, Owner at Walnut Chimney, serving North Tustin and central Orange County.