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 Lansdowne
Chimney repair in Lansdowne, MD typically runs $350-$2,800 depending on scope, and most jobs our Chimney Repair team completes in a single visit. Call (410) 849-6273 - a live person answers 24 hours a day, and we’ll schedule your free estimate at a time that works.
We’ve worked on Lansdowne chimneys for decades. The Cape Cods off Maple Avenue, the brick bungalows near Hammonds Ferry Road, the rowhouse-style homes along Washington Boulevard - we know what hides inside these stacks. Lansdowne’s housing was built fast for steel and industrial workers in the 1940s through 1960s, and the chimneys were built for coal heat. Most were never properly relined when families switched to oil, then gas. That history lives in your flue. Our crews dispatch from our Baltimore office and carry the parts to fix it right - DuraFlex liners, HeatShield resurfacing mix, professional-grade mortar matched to your original brick.
Why Hearthstone Chimney Co. Is Lansdowne’s Preferred Chimney Repair Company
We’ve served local communities for over 42 years. In Lansdowne, that means we’ve watched three generations of homeowners maintain the same chimneys on the same blocks. We know which houses on Hillcrest Avenue have the original clay tile liners that crack every fifteen years. We know the Patapsco River valley pulls moisture into brick faster here than in drier parts of Baltimore County.
Our reviews from Lansdowne customers mention the same things: we show up when we say, we explain what we found before we quote anything, and we leave the work site clean. The 90-Day Done Right Promise backs every repair in writing - if it’s not right, we make it right, no paperwork, no arguing. Background-checked, uniformed technicians. Photos you can see, a plain-English verdict. That’s the Keystone Standard.
Calls are answered by a live person, 24/7. Not a callback queue. Not an app.
Our Chimney Repair Services in Lansdowne
Chimney Rebuilding
Some Lansdowne chimneys are past patching. When mortar has turned to sand, brick faces have spalled off from freeze-thaw cycles, and the stack leans, we rebuild - course by course, matching the original brick where possible, engineering a new crown with proper drip edges and slope. On a recent job near Lansdowne Middle School, we rebuilt a 1952 chimney that had lost its cap in a storm and taken water for three winters straight. The homeowner had been quoted a full rebuild by another company; our camera inspection showed only the upper four courses and crown were compromised. We rebuilt what needed rebuilding, waterproofed the rest, and saved them roughly $1,800. Done right - and we stand behind it.

Chimney Waterproofing
Lansdowne sits in the Patapsco River valley corridor. Winter humidity and freeze-thaw cycling are pronounced here. Moisture wicks into aging brick and mortar, and repeated freezing accelerates spalling and joint deterioration faster than in drier inland areas. We apply vapor-permeable waterproofing agents from Copperfield that let the brick breathe while shedding rain. But we never waterproof before we repair - repointing new mortar into saturated brick is a waste of your money. We diagnose, repair, then protect. On homes near the river, we often recommend crown sealing and flashing replacement as part of the same scope, since water finds every gap.

Mortar Repointing
The mortar in Lansdowne’s original 1940s-1960s chimneys is now 60-80 years old. It was mixed with more sand than modern specs, and it’s crumbling. We grind out failed joints to proper depth - never the quick surface smear - and repoint with mortar matched for compressive strength and color. A sweep who repoints before waterproofing the crown and brick just watches the new mortar pop by the next spring. We do both, in the right order. On a bungalow off Lansdowne Road last spring, we repointed 40 linear feet of joint, sealed the crown, and applied waterproofing. The homeowner called this year to say it still looked new - no flaking, no new cracks.

Spalling Brick Repair
Spalling - the flaking and popping of brick faces - is common on Lansdowne’s south- and west-facing chimney exposures, where sun warms the brick and freeze-thaw hits hardest. We remove damaged brick, source matching replacements from Famco and Olympia Chimney suppliers, and rebuild the affected courses. Small spalls can sometimes be treated with breathable resurfacing compounds if the structural brick beneath is sound. We determine which with a camera inspection, not a guess from the ground.

Flashing Repair
The modest rooflines on Lansdowne’s Cape Cods and bungalows often mean shallow-pitch intersections where flashing takes a beating. We replace step flashing, counterflashing, and cricket assemblies with galvanized or copper stock, soldered and sealed for the long haul. A flashing leak can destroy a ceiling before the chimney shows any exterior damage. We check it on every inspection.

Tuckpointing
For Lansdowne’s decorative brickwork or chimneys with historical pattern joints, we offer tuckpointing that preserves the aesthetic while restoring structural integrity. It’s slower work, and we price it accordingly - but for homeowners who intend to stay in their house another twenty years, it’s worth doing once.

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.
Trusted Brands We Service in Lansdowne
We stock parts and materials from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield - no builder-grade substitutes. For Lansdowne homeowners, that means faster turnaround. We don’t order your liner after we sell it; we carry the common diameters and lengths on our trucks. A standard DuraFlex stainless liner for a basement furnace flue? Usually installed same visit once we’ve sized it from the camera footage. HeatShield resurfacing for a damaged smoke chamber? Mixed and applied on site. When we do need to order specialty items from Famco or Olympia Chimney, our Baltimore office has same-day supplier relationships. You’ll wait for the right part, not the cheap one.
Common Chimney Repair Problems We See in Lansdowne Homes
- Double-duty flues from coal-to-gas conversions. Many Lansdowne homes show a bricked-up fireplace opening on the first floor with the same flue now venting a gas furnace in the basement - two different eras of use sharing one unlined or undersized flue. Local sweeps consistently flag this as a carbon monoxide risk that homeowners had no idea existed.
- Freeze-thaw mortar destruction. Mortar joints in original 1940s-60s Lansdowne chimneys spall from Patapsco-valley freeze-thaw cycles. A sweep who repoints before waterproofing the crown and brick just watches the new mortar pop by the next spring.
- Cold-condensation flue damage. Clay tile liners sized for coal’s hotter, gentler burn now vent low-temperature gas appliances, so the flue runs cold, condensation wicks into cracked tiles, and flue gases eat the mortar from the inside out - often missed without camera evidence.
- Crown and cap failures on modest stacks. Chimney caps and crown cracks on these modest rowhouse-style stacks let in animals and rain all winter - problems that never show up on a dry summer visit.
Pricing for Chimney Repair in Lansdowne, MD
Here’s what chimney repair costs in Lansdowne’s market:
| Service | Typical Range in Lansdowne |
|---|---|
| Mortar repointing (per linear foot) | $18-$32 |
| Spalling brick repair (per brick replaced) | $45-$85 |
| Chimney waterproofing (standard stack) | $350-$650 |
| Flashing repair (standard intersection) | $275-$550 |
| Partial chimney rebuild (upper courses) | $1,200-$2,800 |
| Full chimney rebuild | $4,500-$8,500 |
| Stainless steel liner (DuraFlex, typical furnace flue) | $1,800-$3,200 |
What moves the number: accessibility (steep roof, tight alley), extent of hidden damage found during camera inspection, and whether we can complete the work in one visit or need to stage materials. We give no-hassle upfront pricing - the number on the estimate is the number on the invoice. Every repair recommendation comes with camera stills you can see and a plain-English verdict. Nothing is sold on speculation. Call (410) 849-6273 for your free estimate.
We Also Serve Cities Near Lansdowne
Our crews work throughout inner Baltimore County and the city line - Baltimore, Arbutus, Baltimore Highlands, Brooklyn Park, and surrounding neighborhoods. Same trucks, same materials, same 90-Day Done Right Promise. Dispatch and scheduling are coordinated from our Baltimore office.
Serving Lansdowne, MD - Our Local Coverage Area
We’re based in the Lansdowne 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 Lansdowne
Because that configuration is a carbon monoxide risk that was legal when installed but fails modern safety standards. On a Cape Cod off Maple Avenue, we found the first-floor fireplace bricked over decades ago and a 1970s gas furnace still drafting into the same unlined flue - CO readings at the basement cleanout told the story before we even ran the camera. We dropped a DuraFlex liner sized to the furnace’s BTU input, ground and repointed the smoke chamber mortar, reset the damper on the bricked-up firebox so no heat fell through the abandoned opening, and gave the homeowner a printed Level 2 inspection report with camera stills of every joint we fixed. No upsell, no guesswork - just what the lens showed. If your Lansdowne home matches this description, call (410) 849-6273 and request a Level 2 inspection with camera documentation.
Yes - because in Lansdowne, your chimney likely vents your furnace or water heater even if the fireplace is bricked up. Gas appliances produce corrosive condensation in cold flues, and clay tile liners crack from thermal cycling whether you light fires or not. Maryland’s heating season is long enough that chimneys serving furnaces accumulate meaningful debris annually. The NFPA recommends annual Level 1 inspection for all chimneys, and we upgrade that to Level 2 with camera when we find the conversion-stack conditions common here. Call (410) 849-6273 to schedule - estimates are free.
A creosote log modifies deposit texture but does not remove buildup, and DIY sweeping on a Lansdowne chimney misses what matters most: the condition of the flue liner, the sizing for your appliance, and whether your bricked-up fireplace is leaking CO into the basement. We use professional-grade brushes and vacuums, but the real value is the Level 2 camera inspection that follows. You’ll see what we see. Call (410) 849-6273 - the inspection itself is the critical step.
It starts with grinding out failed mortar joints to 3/4-inch depth, not smearing over the surface. We match replacement brick from Olympia Chimney or Famco suppliers when spalling is severe, repoint with mortar engineered for your original brick’s absorption rate, seal the crown with proper slope and drip edges, and apply vapor-permeable waterproofing. If the flue is unlined or the clay tile is cracked, we may recommend a DuraFlex stainless liner sized to your appliance’s BTU input. Every step is photographed, explained, and documented in a written report. Done right - and we stand behind it.
Demand camera evidence you can see, and a written report with stills, before any work is approved. At Hearthstone, no repair is recommended without Level 2 camera documentation. We show you the cracked tile, the missing mortar joint, the CO reading at the cleanout. We also tell you plainly when work can safely wait - a crown with hairline cracking but intact seal, say, or minor spalling on a non-structural course. Our 90-Day Done Right Promise is in writing with no arguing. If you have another company’s quote and want a second opinion, it’s free. Call (410) 849-6273.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Lansdowne and local communities since 1984.





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