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 Ashburn
Chimney repair in Ashburn, VA typically runs $350-$1,800 depending on what’s actually wrong: repointing a few square feet of mortar costs less than rebuilding a chase or replacing a rusted flue liner. Most jobs in Ashburn’s planned communities are driven by one thing: HOA notices about rust staining on brick facades. We fix that, and we document every repair in writing so you can close out the violation. Call (240) 220-9395 for a free estimate with a written price before any work starts.
Our crews know Ashburn’s housing stock, that 1990s-2000s era of Toll Brothers and NV Homes colonials and townhomes built around prefabricated gas fireplaces. Those systems age differently than masonry wood-burning chimneys, and most Ashburn homeowners never look at their flue until an architectural review board sends a letter. We get it, because we’ve seen thousands of these exact homes across Broadlands, Brambleton, and Belmont. Chimney Repair is what we do every day, and in Ashburn that usually means chase covers, flashing, and prefab liner work rather than traditional brick rebuilding.
Why Level Two Chimney Gaithersburg Is Ashburn’s Preferred Chimney Repair Company
We built our reputation in Ashburn the way we built it everywhere else: camera-scan inspections, written prices, and photo documentation on every single job. Since 2009, our technicians have completed more than 38,000 chimney inspections and cleanings, every one with a written scope before work began and a documented record when it was done. Ashburn homeowners research before they call, so here’s what matters: our license number is on every page we publish, a named tech is assigned to your job, and you get a text when they’re on the way.
Ashburn’s neighborhoods create a specific kind of repair demand. In Brambleton, we replaced a rusted 24-year-old chase cover on a Toll Brothers colonial after the HOA architectural review board sent a notice about rust staining on the brick facade. Our tech swapped in a stainless steel cover from Olympia Chimney, sealed the flue seams with high-temp caulk, and documented the work for the property management company to clear the violation. The homeowner had a gas fireplace they’d never inspected. The first sign of trouble was the letter, not smoke. That’s Ashburn’s defining pattern, and we’re built for it.
Clause 4 of the Haven Standard requires a photo record on every job. That means when your HOA or property manager asks for proof of repair, you already have it, not as an add-on, but as the default. It’s been that way since 2009, years before insurers or regulators asked for it. Written price, written scope, written warranty: delivered before anyone starts, per Clause 1. If it’s not done right, we make it right under the 365-Day Done Right Promise.
Our Chimney Repair Services in Ashburn

Mortar Repointing
Freeze-thaw cycles in Ashburn’s mid-Atlantic winters push water into mortar joints, and when overnight lows drop into the low 20s°F, that water expands and cracks the joints. On 25-year-old brick chimneys in neighborhoods like Broadlands, we see spalling and joint deterioration that’s purely climate-driven. Repointing in Ashburn usually runs $450-$1,200 depending on how many square feet of joints need work. We grind out the failed mortar, match the color, and repack the joints so water stops getting in.

Spalling Brick Repair
Spalling means the face of the brick has popped off from trapped moisture freezing and thawing. Most Ashburn homes with masonry chimneys were built between 1993 and 2015, so we’re now seeing the first wave of spalling on chimneys that were sealed with builder-grade materials. Repair typically means removing and replacing the damaged brick, which runs $350-$900 for a typical Ashburn chimney in a single-family colonial. Left alone, spalling accelerates and the structural integrity of the chimney stack degrades.

Chimney Waterproofing
This is not optional in Ashburn, even for prefabricated gas chimneys. High summer humidity drives moisture into dormant flues, and cold winters freeze it. For masonry chimneys, we apply a vapor-permeable waterproofing agent that lets the brick breathe while blocking bulk water. In Ashburn, waterproofing a standard chimney runs $500-$850 depending on height and accessibility. For prefab systems, we seal the chase and address rust at the seams and chase cover before moisture spreads to the flue liner. A chimney that’s soaked through is a chimney that fails from the inside out.

Flashing Repair
Flashing is the metal where chimney meets roof, and Ashburn’s freeze-thaw cycles are brutal on it. When flashing fails, water runs down the flue chase and into the attic, and you notice it as a ceiling stain long after the leak started. Flashing repair in Ashburn typically runs $350-$900, and we use materials sourced through Haven’s buying network, including Copperfield, to keep prices honest. If we can repair, we repair. If the flashing is beyond saving, we tell you with photos before recommending replacement.

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.
Before
AfterTrusted Brands We Service in Ashburn
We stock and source materials from Olympia Chimney, DuraFlex, Famco, and Copperfield, procured through Haven’s buying network specifically to keep customer prices honest. When we replace a chase cover in Ashburn, we’re typically installing stainless steel from Olympia Chimney rather than another galvanized cover that’ll rust out in another 20 years. When we reline a prefab flue, we’re using DuraFlex liners sized to the existing chase. That means less waiting on parts for Ashburn customers and a repair that’s documented to the brand level in your final photo record.
Common Chimney Repair Problems We See in Ashburn Homes

- Rusted chase covers triggering HOA notices. The builder-grade galvanized steel covers installed on Brambleton, Broadlands, and Cascades homes 20-25 years ago are rusting through in unison. Rust runs down brick facades, and architectural review boards flag it as a covenant violation, which is how most Ashburn homeowners first learn their chase cover has failed.
- Separated seams in prefabricated flue liners. Gas fireplaces in Ashburn’s zero-clearance units vent through metal liners that now show rust, separated seams, and compromised chase covers. Homeowners assume gas means no maintenance, so these gaps go unnoticed until a Level 2 camera inspection reveals them.
- Stacked and shared flues in attached townhomes. In denser communities, one unit’s degraded liner can let moisture and rust spread to neighboring flues inside the same chase. A problem that starts in your neighbor’s unit can become your problem on the next inspection.
- Creosote-like residue in lightly used gas systems. Ashburn’s humid summers drive moisture into dormant flues, promoting rust in metal liners and residue buildup even in gas fireplaces that rarely run. It’s not wood creosote, but it still needs professional removal for safe operation.
Pricing for Chimney Repair in Ashburn, VA
Ashburn’s market is specific because the housing stock is so uniform. A typical mortar repointing job runs $450-$1,200. Spalling brick repair runs $350-$900. Chimney waterproofing runs $500-$850. Flashing repair runs $350-$900. A chase cover replacement in Stainless runs $800-$1,600, and that’s the job we do most often in Ashburn because of the HOA rust-staining issue. If you need a flue liner replaced in a prefab system, expect $1,200-$2,800 depending on the liner material and the height of the chase. Every estimate is written, every scope is spelled out, and nothing starts until you’ve signed off on the number. Call (240) 220-9395 and we’ll give you a real price with a camera inspection, not a “call for a quote” runaround.
We Also Serve Cities Near Ashburn

Beyond our work across Ashburn, we run crews into Leesburg, Sterling, Herndon, and Reston. The housing patterns are similar enough that the same repair issues show up everywhere, older prefab chases, HOA-driven compliance work, and flashing failures from freeze-thaw cycles. If you’re in any of those towns, the same written-price standard applies.
Serving Ashburn, VA - Our Local Coverage Area
We’re based in the Ashburn 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 Ashburn

The repair is almost always a chase cover replacement, and in Ashburn that typically runs $800-$1,600 depending on chase dimensions and access. You need to check your HOA’s architectural review guidelines, because visible exterior work usually requires approval before the repair, not after. We provide the written scope, the material spec, and before-and-after photos, which is what most Ashburn property management companies want to close the violation. Call (240) 220-9395 and we’ll put the paperwork together.
Yes, if flues share a chase, moisture and rust from one unit’s degraded liner can migrate to the adjacent flue. We’ve seen this in attached Ashburn communities where a failed chase cover lets water into the shared chase, rusting both liners over time. A Level 2 camera inspection shows whether your flue is affected before you spend anything on a repair you don’t need.
Yes, we provide a written scope, a written price, material specifications, and license information before work starts. After the repair, you get a documented photo record showing exactly what was done and the materials used. Clause 4 of the Haven Standard requires this on every job, and Ashburn property managers routinely accept it for HOA compliance. Call (240) 220-9395 and we’ll send what your management company needs.
The chase cover fails first. The builder-grade galvanized steel covers installed on Ashburn homes built in the late 1990s and early 2000s rust through, which lets water into the chase, which then rusts the flue liner seams. Most owners never notice until rust stains the brick or the HOA sends a letter. A camera inspection shows the inside of the flue before it becomes a repair emergency.
Prefab chases need sealing, not masonry waterproofing. The chase itself, the seams, and the chase cover all need attention because Ashburn’s humid summers drive moisture into dormant flues and cold winters freeze whatever got in. We seal chase seams with high-temp caulk and replace rusted components. For masonry chimneys, waterproofing is a separate treatment that runs $500-$850. Call (240) 220-9395 for a free estimate and we’ll tell you which one applies to your home.
If you’re in Ashburn and you’ve got a rust stain, an HOA letter, or a fireplace you haven’t thought about in years, call (240) 220-9395. We’ll send a named technician, inspect with a camera, and put a written price in your hands before any work begins. That’s how we’ve done it since 2009, and it’s how we do it in Ashburn.
Written by Corrine Halstead, Owner at Level Two Chimney Gaithersburg, serving Ashburn with camera-scan chimney inspections and written-price repairs.





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