Chimney Sweep in Fort Worth, TX

What a chimney sweep does, and what it costs

A sweep removes soot and creosote from the flue, the smoke chamber, the damper and the firebox, and inspects the parts that can be seen while doing it. Creosote is the tarry, flammable residue that wood smoke leaves as it cools on the flue walls. Enough of it and a hot fire can ignite it, which is how chimney fires start.

The work is done with rotary brushes on flexible rods and a high-filtration vacuum running at the firebox to capture dust. Depending on the chimney, the technician works from the fireplace, from the roof or both. A normal sweep takes about an hour and should leave no mess in the room.

Angi's 2026 data puts the average at about $254, with most homeowners paying $129 to $381. Gas fireplace maintenance typically runs $80 to $130 and a wood stove $150 to $300. A sweep that has to deal with heavy glazed creosote, a nest or a blockage costs more.

How often, and when in the year

The national standard, NFPA 211, says chimneys, fireplaces and vents shall be inspected at least once a year for soundness, freedom from deposits and correct clearances, with cleaning and repairs done if needed. The Chimney Safety Institute of America advises sweeping a masonry fireplace once soot reaches an eighth of an inch, and sooner if there is any shiny, glazed creosote.

That matters in North Texas, where a fireplace may be lit only a dozen times a winter. Light use does not mean no inspection: an idle chimney still collects nests, leaves and water damage, and a cap or crown can fail whether or not there has been a fire.

The best time to book is late spring through early fall. Companies are busiest from the first cold front through the holidays, and anything the inspection turns up can be repaired before you want a fire.

Prefab or masonry: know what you have

Fort Worth's housing is young — the median home dates to 1994, and more than four in ten were built since 2000. A large share of fireplaces in homes of that era are factory-built, also called prefabricated or zero-clearance: a metal firebox with a round metal chimney running up through a framed, sided enclosure called a chase, topped by a sheet-metal chase cover. Older homes and custom builds are more likely to have a true masonry fireplace built of brick or stone with a clay tile flue.

The difference changes the maintenance. A prefab unit is a listed appliance; its refractory panels, chase cover and cap are replaced with parts made for that model, and its metal chimney cannot be relined like a masonry flue. A masonry chimney has mortar joints, a crown and a liner that weather and crack. Tell the company which you have when you call, or send a photo of the firebox and the top of the chimney.

North Texas conditions that damage chimneys

Three local factors account for much of the repair work here. The first is hail. Fort Worth sits in one of the most hail-prone parts of the country, and hailstones dent and split the thin sheet metal of chimney caps and chase covers. Once a chase cover holds water or rusts through, the leak runs down inside the chase where no one sees it. After any hailstorm that brings out the roofers, have the chimney top looked at too.

The second is the soil. The expansive clay under much of Tarrant County swells when wet and shrinks when dry, and foundations move with it. A heavy masonry chimney on its own footing can lean or pull away from the house, opening a gap at the roofline or the siding. A new gap, cracked mortar in a stair-step pattern or a chimney visibly out of plumb needs a structural opinion, not just a tube of caulk.

The third is chimney swifts, which get their own section below.

Chimney swifts: the birds you cannot evict

If you hear chattering in the flue between spring and early fall, it is probably chimney swifts. These small birds migrate to Texas from South America, nest on the inside walls of open masonry chimneys and leave again in autumn. They are protected under the federal Migratory Bird Treaty Act, which makes it unlawful to remove or disturb an active nest, eggs or young.

The practical answer is patience followed by prevention. Wait until the birds have gone for the season, then have the chimney swept to remove the old nest and fitted with a cap so they cannot return. A reputable sweep will not remove an active nest and will tell you so.

Inspections, liners and leaks

NFPA 211 defines three levels of inspection. Level 1 is the routine annual check of the readily accessible parts. Level 2 adds a video scan of the flue and a look at the attic, crawl space and other accessible areas; it is called for when a home is sold, after a chimney fire or severe weather event, or when the fuel or appliance changes. Level 3 involves opening up concealed areas and is reserved for serious suspected damage. Angi puts the average inspection at about $450, with Level 1 from $100 and Level 2 from $200 to $1,000.

The liner is the surface the smoke actually touches. Cracked clay tiles or a damaged metal liner let heat and gases reach the surrounding structure, and a damaged liner is a reason to stop using the fireplace until it is repaired or relined.

Water is the chimney's main enemy. Most leaks come from the top — a missing cap, a cracked crown or a rusted chase cover — or from the flashing where the chimney meets the roof. A stain on the ceiling near the fireplace is more often a chimney leak than a roof leak.