Level 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 Repair Across Leesburg
Chimney repair in Leesburg usually costs between $350 and $2,800 depending on what the camera finds, and most customers get a written price the same day we inspect. We work throughout Leesburg, from the Historic District off North King Street to the subdivisions along Battlefield Parkway, and our crews know the difference between an 18th-century unlined brick flue and a 1999 builder-grade prefab firebox. Call (571) 376-7052 for a free estimate. We show you the photos before we quote a dollar.
Why Level Two Chimney Rockville Is Leesburg’s Preferred Chimney Repair Company
Our name comes from the inspection standard we work to: NFPA 211 Level 2, which means a camera down your flue, not a flashlight glance. Corrine Halstead, who leads our business, made camera-scan documentation the default in 2009, and that practice became Clause 4 of the Haven Standard. Every repair we quote in Leesburg comes with a photo record you can hold in your hand before you spend anything. That matters here specifically, because Leesburg’s housing stock is split between two very different chimney systems, and the wrong diagnosis on either one gets expensive fast.
Leesburg customers tell us the same thing in reviews: they’d been told they needed a new liner or a partial rebuild, and no one could show them why. We don’t work that way. If we recommend work, you’ll see the crack, the rust, the spalled brick, or the creosote glaze on camera first. Our written price, written scope, and written warranty are delivered before anyone starts, per Clause 1 of the Haven Standard: have it in writing. Every job is backed by the 365-Day Done Right Promise, so if it isn’t done right, we make it right.
Our Chimney Repair Services in Leesburg

Mortar Repointing
Leesburg’s Historic District homes have original soft lime mortar that expands and contracts with every freeze-thaw cycle rolling off Catoctin Mountain. That repeated stress breaks down the joints long before the brick itself fails. Repointing replaces the eroded mortar between bricks, restoring the structural integrity of the stack. In the Historic District, we match mortar composition to the original lime, not modern Portland cement, because hard cement in an old soft-brick chimney accelerates spalling. Expect to pay $1,200-$2,600 for a partial repoint on a historic two-story flue in Leesburg, with full-stack work running higher depending on access from the roof.

Spalling Brick Repair
Spalling is what happens when water soaks into brick, freezes, and forces the brick face to pop off in sheets or chunks. Leesburg sees more of this than the eastern DC suburbs because the town sits at the base of the Catoctin corridor, where winter precipitation is funneled and intensified. On 1990s Leesburg subdivision homes, spalling often shows up at the top courses where the crown has cracked and let water in. On historic district homes, it’s usually mid-stack. Replacing and color-matching spalled brick typically runs $500-$1,500 per affected area, but the real fix is stopping the water source first, which we’ll show you on camera.

Chimney Waterproofing
Brick is porous. It absorbs water like a sponge, and in Leesburg’s freeze-thaw climate, that’s what feeds every spalling and mortar failure we see. We apply a vapor-permeable waterproofing treatment, usually from ChimneySaver, that keeps liquid water out while letting moisture vapor escape. It isn’t paint and it isn’t a sealant you can grab at a home center. A proper waterproofing treatment on an average Leesburg chimney runs $450-$900 and is one of the cheapest repairs we do relative to what it prevents. If your flue is already damaged, we’ll tell you plainly whether waterproofing alone is enough or whether the liner needs addressing first.

Flashing Repair
Flashing is the metal that seals the joint where your chimney meets the roof, and it fails in one of two ways in Leesburg: old galvanized steel rusts through, or the original installer did a poor lap-and-counterlap job that has been leaking for years. On both historic and 1990s homes, we find leak stains in the attic that the homeowner never connected to the chimney. We replace step flashing, counter-flashing, and apron flashing, and we cut a proper reglet into the mortar joint rather than relying on surface caulk. Flashing repair in Leesburg typically runs $700-$1,800 including materials, and we photograph the old flashing coming off so you can see exactly what failed.
Every one of these services falls under our broader Chimney Repair offering, and each is quoted in writing before we start. No estimates, no “call for a quote” softness. The written price is the first thing you get.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
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AfterTrusted Brands We Service in Leesburg
When a Leesburg flue needs a new liner, we install DuraFlex stainless steel systems, and we’ve worked with enough of them to know exactly how they behave in irregular historic flues. For masonry repair and parging, we use Gelco and Olympia Chimney products because they hold up to the specific moisture conditions Leesburg throws at them. We keep common components in local stock so a standard flashing repair or crown rebuild on a Leesburg home doesn’t stall waiting on a parts order. If you have a preferred brand, tell us on the call and we’ll quote it. If you don’t, we’ll recommend the material that fits your flue profile, and we’ll show you the product specs before it goes in.
Common Chimney Repair Problems We See in Leesburg Homes

- Historic shared flues with no liners. Many pre-Civil War homes in the Historic District have one brick stack venting multiple fireplaces, with no clay tile or steel liner at all. Heat and moisture from burning move directly through soft 200-year-old mortar joints, which opens hidden fire paths into adjoining walls. A camera inspection shows those gaps in real time.
- Prefab fireplaces mistaken for masonry. Homes built in Leesburg during the 1995-2008 Loudoun County boom almost always got factory-built zero-clearance metal fireplaces. Homeowners see a brick chase on the outside and assume it’s a real masonry chimney. It isn’t. The firebox refractory panels and stainless flue liner inside have a finite life of roughly 20-30 years, and many are now failing.
- Rusted galvanized chase covers. On those same Leesburg subdivision homes, the metal chase cover at the top of the prefab unit rusts through along the seams. Water gets into the firebox, accelerates creosote buildup, and eventually seizes the damper. This is the single most common repair we perform in communities like Potomac Station and Red Cedar.
- Catoctin-driven freeze-thaw spalling. Leesburg’s position east of the Catoctin Mountain ridge means winter storms dump more freezing precipitation here than they do 20 miles east in Fairfax. The result is faster mortar joint failure and accelerated brick-face spalling, especially on chimneys built with soft historic lime mortar that was never meant for modern heating cycles.
Pricing for Chimney Repair in Leesburg, VA
Here’s what we actually quote in Leesburg, not a “call for pricing” dodge. Mortar repointing runs $1,200-$2,600 depending on the area and height. Flashing repair is $700-$1,800. Chimney waterproofing is $450-$900. A stainless steel liner installation starts around $2,200 and goes up with height and access. Spalled brick replacement runs $500-$1,500 per affected section. A full historic chimney rebuild can reach $7,000-$12,000, but we’ll tell you plainly if your chimney can safely wait another season. Every quote is written, scoped, and warranted before work begins, and you keep the photos. Call (571) 376-7052 for a free estimate with no obligation.
We Also Serve Cities Near Leesburg

Our crews work throughout Loudoun County and the surrounding area, including Chimney Repair in Leesburg and neighboring Ashburn, Sterling, Herndon, and Reston. Scheduling is coordinated from our Washington, DC metro office, with crews dispatched to Leesburg daily. If you live just outside town, call (571) 376-7052 and we’ll confirm coverage.
Serving Leesburg, VA - Our Local Coverage Area
We’re based in the Leesburg 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 - Chimney Repair in Leesburg

Repair on a factory-built prefab system means replacing the rusted chase cover, swapping out failed refractory panels in the firebox, or relining the metal flue with a compatible stainless system. We cannot repair a prefab unit with masonry techniques, because there’s no masonry structure to work on. Call (571) 376-7052 and a technician will camera-inspect the system and show you a photo record before any quote.
Yes, they need techniques that respect the original construction. Old soft lime mortar requires repointing with compatible lime-based material, and unlined or clay-tile flues often require a stainless liner installation that follows an irregular flue profile rather than forcing a generic round liner. Call (571) 376-7052 for a Level 2 inspection with a written price.
Leesburg’s humidity and winter precipitation mix with the galvanized steel’s natural seam weakness, so rust at the seams is the standard failure, not the exception. Caulk fails because the metal keeps flexing with temperature changes, and the water keeps getting in. We replace the chase cover with properly lapped and fastened steel and show you the old one on camera before we do anything.
That glaze is Class III, or glazed, creosote, which is a hardened, tar-like stage that standard brushing will not remove. Your options are mechanical or chemical creosote removal, not a typical sweep, and in a climate like Leesburg’s with heavier seasonal burning, it forms faster than most homeowners expect.
A 2004 fireplace is 21 years old, which is squarely inside the replacement window for prefab refractory panels and chase covers, and the outside of the chase tells you almost nothing about what’s inside. A Level 2 camera inspection answers this in about 30 minutes. Call (571) 376-7052 for a free estimate with a documented photo record included.
Written by Corrine Halstead, Owner at Level Two Chimney Co., serving Leesburg under the Haven Standard since 2009.





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