Fast, Reliable Chimney Repair Across Lansdowne
Chimney repair in Lansdowne, MD typically costs between $350 and $2,800 depending on scope, and most non-rebuild jobs are completed in a single visit. Our technicians carry the materials and tools needed for same-day mortar repointing, spalling brick repair, chimney waterproofing, and flashing repair throughout the 21227 ZIP code, and we also handle Chimney Cleaning & Sweep - Lansdowne. If you’re seeing crumbling mortar, water stains on interior walls near the chimney breast, or bricks that flake after winter freezes, the damage is already progressing. Call (844) 803-1545 - a live person answers 24 hours a day, and we’ll schedule your free estimate at a time that works for you.
We’ve been working on Lansdowne chimneys for decades. The rowhomes along Lansdowne Road and the semi-detached twins near Hammonds Ferry have chimneys built for a different era of heating, and that history creates repair patterns we recognize before we even set up our ladders. Baltimore County’s freeze-thaw cycle hits these 70-to-80-year-old brick stacks hard. When water seeps into hairline cracks, freezes overnight, and expands by morning, it opens gaps that let more water in the next cycle. We’ve repointed mortar joints on chimneys you can see from the Lansdowne Light Rail station and rebuilt crowns on homes a block from the Patapsco River watershed. That local familiarity means we diagnose faster and repair right the first time.
Why Hearthstone Chimney Co. Is Lansdowne’s Preferred Chimney Repair Company
We know the housing stock. Lansdowne’s 21227 ZIP is dominated by mid-century brick rowhomes and semi-detached twins, many with chimneys that originally served coal furnaces and were later converted to oil or gas. Those original clay-tile-lined flues are now oversized for modern gas appliances, trapping acidic condensation that accelerates liner cracking and mortar joint deterioration. Our Chimney Repair team spots this pattern immediately because we’ve documented it hundreds of times in Lansdowne alone.
Our reputation here is built on showing our work. Every Level-2 camera inspection ends with photos you can see and a plain-English verdict - documented like an engineer, explained like a craftsman. Lansdowne homeowners tell us this transparency matters because they’ve dealt with contractors who couldn’t explain what was wrong or why it cost what it did.
Response time to Lansdowne is same-day or next-day for urgent issues like active leaks, visible chimney tilt, or post-storm damage. We’re not routing trucks from Pennsylvania or Virginia. Our dispatch knows the difference between Lansdowne proper and the Lansdowne-adjacent pockets near West Elkridge, so we don’t waste your morning with a no-show.
Russell Haines built this company on the K.E.Y.S. code - Krafted right, Every time, Your home first, Standing behind it - and that governs how we treat every Lansdowne call. The 90-Day Done Right Promise is in writing with no arguing. If it’s not right, we come back. Period.
Our Chimney Repair Services in Lansdowne
Mortar Repointing
In Lansdowne’s freeze-thaw environment, mortar joints between bricks deteriorate faster than the bricks themselves. We grind out failed mortar to proper depth and repoint with color-matched, professional-grade mortar formulated for Baltimore County’s climate. On shared-wall rowhomes near Lansdowne Road, where one chimney stack serves two units, we coordinate access with both households and document the condition of party-wall flue separations. Most repointing jobs on standard Lansdowne chimneys run $450-$950 and finish in one day.

Spalling Brick Repair
Spalling - when brick faces flake or pop off due to moisture freezing inside - is epidemic on Lansdowne’s 1940s-1960s chimneys. We remove damaged brick, source matching replacements from professional-grade suppliers including Copperfield, and rebuild the affected courses with proper bonding and weep details. Left untreated, spalling exposes the inner wythe to accelerated decay and can compromise structural integrity. A typical spalling repair on a Lansdowne rowhome chimney runs $650-$1,400 depending on how many courses are affected.

Chimney Waterproofing
Baltimore County’s driving rains and humid summers mean unprotected masonry absorbs water constantly. We apply vapor-permeable waterproofing agents from Olympia Chimney that let the brick breathe while repelling liquid water. This is especially critical on Lansdowne’s older chimneys where the original crown has cracked or the cap is missing entirely. Waterproofing a standard Lansdowne chimney runs $350-$650 and includes minor crown sealing; we also offer Chimney Cap & Crown in Lansdowne for more extensive crown rebuilds.

Flashing Repair
Step flashing and counterflashing where the chimney meets the roof are common leak sources in Lansdowne’s older housing stock. Many original installations used galvanized steel that has corroded after decades of exposure, or were sealed with roofing cement that cracks in the first freeze-thaw cycle. We fabricate and install new flashing from professional-grade materials, integrating with your existing roofing without disturbing surrounding shingles when possible. Flashing repair in Lansdowne typically runs $400-$850.

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, and Olympia Chimney - brands specified by manufacturers who understand that Lansdowne’s chimneys face unique thermal and moisture stresses. When we arrive for your repair, our trucks carry the liners, caps, crowns, and waterproofing agents needed to complete most jobs without a return trip, including materials for a Chimney Liner & Rebuild - Lansdowne. That matters on Lansdowne’s narrow streets and limited parking, where rescheduling means another morning of your time and another day of water intrusion. We don’t substitute builder-grade materials to hit a price point. The brands we use are the brands we’d want on our own homes.
Common Chimney Repair Problems We See in Lansdowne Homes
- Oversized clay flues corroded by gas condensate. Lansdowne’s converted coal chimneys have flue liners too large for modern gas appliances. The acidic condensation eats away at clay tile and mortar, creating gaps that leak combustion gases into wall cavities. A standard cleaning won’t catch this - only a Level-2 camera inspection reveals the damage.
- Crown cracks from freeze-thaw cycling. Baltimore County winters deliver dozens of freeze-thaw cycles annually. Water enters crown cracks, expands overnight, and widens them progressively until the crown fails entirely and water pours down the flue or between wythes.
- Shared-flue coordination challenges. In Lansdowne’s rowhomes, a single chimney stack often vents two separate units. If one neighbor’s appliance backdrafts or the shared flue is blocked with creosote or debris, both households face carbon monoxide risk. We document shared-flue conditions and communicate findings to both parties when requested.
- Spalling brick after decades of unsealed masonry. Lansdowne chimneys built without modern waterproofing have absorbed moisture for 70-plus years. The brick faces finally surrender, especially on south- and west-facing exposures that heat and cool most dramatically.
Pricing for Chimney Repair in Lansdowne, MD
Here’s what chimney repair costs in Lansdowne’s market as of 2024:
| Service | Typical Range |
|---|---|
| Mortar repointing (standard chimney) | $450 - $950 |
| Spalling brick repair (partial rebuild) | $650 - $1,400 |
| Chimney waterproofing | $350 - $650 |
| Flashing repair/replacement | $400 - $850 |
| Crown rebuild or cap installation | $550 - $1,200 |
| Partial chimney rebuild (above roofline) | $1,800 - $2,800 |
| Full chimney rebuild | $3,500 - $6,500+ |
What moves you within these ranges? Height and access matter - a three-story rowhome near Hammonds Ferry requires more scaffolding time than a single-story detached near the county line. The extent of hidden damage matters too; we sometimes open a wall to find that what looked like a flashing leak is actually a failed wythe separation requiring more extensive repair. We give you no-hassle upfront pricing before any work begins. The number on the estimate is the number on the invoice. Estimates are free, and we honor our $50 Off Any Repair Over $250 for Lansdowne homeowners. Call (844) 803-1545 for your exact quote.
We Also Serve Cities Near Lansdowne
Our repair crews work daily in Lansdowne and the surrounding Baltimore County communities. If you’re in West Elkridge, Arbutus, Linthicum, or Elkridge and seeing the same chimney issues - spalling brick, mortar loss, water stains, or draft problems - we cover your area with the same same-day or next-day response. We also handle Fireplace Services in Lansdowne for homeowners whose fireplace and chimney systems need coordinated attention.
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
We typically schedule Lansdowne repairs within 24-48 hours, and same-day service is available for active leaks, visible structural damage, or carbon monoxide concerns. Our dispatch routes technicians from Baltimore County locations, so we’re not crossing state lines to reach 21227. Call (844) 803-1545 - a live person answers 24/7 - and we’ll find the first available slot that works for your schedule.
Yes. We repair chimneys throughout 21227, from the brick rowhomes along Lansdowne Road and Hammonds Ferry to the semi-detached twins near the Patapsco Avenue corridor and the pockets closer to West Elkridge. Narrow alleys and limited parking don’t stop us; we’ve worked on chimneys you can see from the Lansdowne Light Rail platform and on shared-wall stacks where we coordinated access with both neighbors.
Yes. A live person answers our phones 24 hours a day, 7 days a week - not voicemail, not a callback queue. For true emergencies like a chimney fire, sudden collapse, or carbon monoxide alarm activation linked to the flue, we dispatch after-hours when safety is at risk. For less urgent issues like a new water stain or minor spalling, we’ll schedule the first available next-day appointment. Either way, you’ll talk to a person who can help.
Lansdowne repairs often cost less than in remote exurbs because we’re local, but the work itself can be more complex due to the age and configuration of the housing stock. A shared-wall rowhome chimney with an oversized clay flue requires more diagnostic time than a standard suburban chimney built in 2005. Our pricing reflects the actual scope of your repair, not your ZIP code. We also offer a permanent 5% Senior and Veteran discount, and our $50 Off Any Repair Over $250 applies to all Lansdowne jobs.
Every repair is backed by our 90-Day Done Right Promise - in writing, no arguing. If it’s not right, we come back and make it right. This applies to all Lansdowne work, from a simple repointing to a full rebuild. We don’t make you fill out claim forms or wait on hold. Russell Haines built this company to still be here in thirty years, and we act accordingly. For your free estimate and written warranty details, call (844) 803-1545.
Chimney problems don’t fix themselves, and in Lansdowne’s climate they get worse every freeze-thaw cycle. If you’re seeing crumbling mortar, flaking brick, water stains, or draft issues, call Hearthstone Chimney Co. at (844) 803-1545. A live person will answer, we’ll schedule your free estimate, and we’ll give you no-hassle upfront pricing before any work begins. Done right - and we stand behind it.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Lansdowne and Baltimore County since 1984.