Roofing Services in Lansdowne, PA
Roof repair and replacement in Lansdowne typically runs $350-$8,500 depending on scope, with most repair calls completed same-day and full replacements finished in 1-3 days. Ridgeline Roofing Co. of Philadelphia has worked on Lansdowne homes since 2016, and we answer our phones live at (855) 554-5116 every hour of every day. We’re familiar with the borough’s tight streets, its twin-home party walls, and the Pennsylvania slate that still crowns much of the 19050 housing stock.
Lansdowne is a compact streetcar-suburb borough developed almost entirely between roughly 1890 and 1930, meaning the vast majority of its housing stock still carries original or once-replaced Pennsylvania slate roofing - a proportion unusually high even among Delaware County’s inner-ring suburbs. Roofers here are constantly navigating the repair-versus-replace decision on century-old slate, and contractors who cannot source matching Pennsylvania blue-gray slate or properly re-bed slipped slates will lose jobs to specialists. This makes slate competency - not asphalt shingle volume - the primary credibility signal in the Lansdowne market. We’ve spent fourteen years building that competency, shingle by shingle and slate by slate.
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.
Why Lansdowne Homeowners Choose Ridgeline Roofing Co. of Philadelphia
We’ve been climbing Lansdowne roofs since 2016, long enough to know which houses on Wycombe Avenue have the original 1920s slate and which ones got the fiberglass replacement in the 1980s. Our technicians are background-checked, uniformed, and trained to document every inspection with photos taken from your actual roof - not a sales pitch in your driveway. When you call (855) 554-5116, a live person answers, including at 2 a.m. after a February ice storm when your chimney flashing starts weeping into the upstairs hall.
Our home base is Philadelphia, but Lansdowne is close enough that we’re usually on-site within the hour for emergencies. We’ve worked through the narrow lots of Lansdowne Hills, the steep pitches near the historic core around Lansdowne Avenue, and the tightly packed twins along Baltimore Pike where one sloppy ridge job can turn into two angry homeowners. The 90-Day Done Right Promise applies to every job: if it’s not right, we come back and make it right. No paperwork, no arguing, no runaround.
Homeowners in this borough tend to stay put. We understand that. Our pricing is upfront - the number on the estimate is the number on the invoice - and we offer a permanent 5% Senior and Veteran discount because many of our Lansdowne customers have owned their homes for thirty years or more and deserve a square deal.
Roofing Services We Offer in Lansdowne
Roof Repair in Lansdowne
From slipped slate tiles on a 1910 twin to wind-lifted shingles after a summer thunderstorm, we diagnose the real problem and fix it once. Our repair calls start with photo documentation so you see what we see. Learn more about our Roof Repair in Lansdowne.

Roof Replacement & Installation in Lansdowne
Full replacements on Lansdowne’s steep Victorian pitches require crews who understand ladder safety, proper underlayment for freeze-thaw cycling, and the flashing geometry of dormer windows and multiple chimneys. We install GAF, CertainTeed, Owens Corning, and other leading brands with no substitutions. Learn more about our Roof Replacement & Installation in Lansdowne.

Specialty Roofing in Lansdowne
This is where we earn our keep in Lansdowne. Pennsylvania slate repair and replacement, copper valley linings, flat-roof membranes on rear additions - we source matching materials and install them to last another century. Learn more about our Specialty Roofing in Lansdowne.

Gutters & Accessories
Proper drainage matters on these old roofs. We install seamless aluminum gutters, copper half-rounds, and gutter guards sized to handle the volume from Lansdowne’s broad roof planes and frequent winter rain-snow mixes.

Emergency & Storm Damage
When a March wind tears off ridge caps or ice dams force water backward under slate courses, we respond. Live phones, 24/7. Most emergency tarping and temporary sealing is done in a single visit to stop further damage until permanent repairs can be scheduled.

Neighborhoods We Serve in Lansdowne
We’ve worked on roofs throughout the borough, from the historic district near the Lansdowne Theater to the quieter residential blocks north of Baltimore Pike. Typical response time for Lansdowne calls is under one hour for emergencies, same-day for standard repairs.
- Lansdowne Hills - steep twin roofs and mature tree canopy
- Historic Core (Lansdowne Avenue corridor) - original slate Victorians
- Baltimore Pike corridor - mixed twins and early 20th-century singles
- Wycombe Avenue area - pre-WWI housing with shared ridge lines
Why Lansdowne’s Climate & Housing Affect Roofing
The Philadelphia region’s 15-25 freeze-thaw cycles per winter relentlessly attack the lime mortar joints on Lansdowne’s abundant Victorian-era brick chimneys and degrade the lead or copper flashings around dormers and valleys, making chimney-adjacent interior leaks the borough’s single most common roofing complaint from November through March. We’ve answered enough 5 a.m. calls from homeowners tracing water stains down their plaster to know the pattern by heart.
On Lansdowne’s block after block of pre-WWI twins, the shared ridge cap is a chronic failure point: when one half-owner replaces their roof without a roofer who understands semi-detached flashing geometry, the neighbor on the untouched side often starts seeing water intrusion at the party wall within a season. This generates a steady stream of “my neighbor just got a new roof and now I have a leak” service calls specific to this borough’s building pattern. We coordinate with both owners when possible, document the party-wall condition before we touch anything, and flash to protect both sides. Done right - and if it’s not, we make it right.
The borough is dominated by twin homes and detached Victorian and Edwardian singles with steeply pitched roofs, multiple brick chimneys, and projecting dormers - all built before modern underlayment and flashing standards. The density of twins means a single roofing project often involves a shared ridge and party-wall flashing line, a detail that, if mishandled, creates new leak points on the untouched neighbor’s side within one or two winters. We treat that shared line with the care it deserves.
Pricing for Roofing in Lansdowne
We believe in no-hassle upfront pricing: the number on the estimate is the number on the invoice. Here are the ranges we typically see for Lansdowne homes:
- Minor repairs (slipped slate, small leak, flashing patch): $350-$750
- Moderate repairs (chimney flashing replacement, valley repair, partial re-sheathing): $750-$2,500
- Full asphalt shingle replacement (average Lansdowne twin or small single): $6,500-$12,000
- Pennsylvania slate repair or selective replacement: $2,500-$8,500+ depending on matching and access
- Emergency tarping and temporary seal: $250-$500 (credited toward permanent repair if done within 30 days)
- Seasonal tune-up and inspection: $89
Current standing offers: $50 off any repair over $250, free second opinion on any written estimate, and the permanent 5% Senior and Veteran discount. For an exact quote on your specific roof, call (855) 554-5116 - estimates are free, and we’ll come to you anywhere in 19050.
Service Area - Cities Near Lansdowne
We also serve homeowners in Yeadon, Collingdale, Darby, and Clifton Heights with the same live-answer phones, same background-checked crews, and same 90-Day Done Right Promise.
Serving Lansdowne, PA - 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 About Roofing in Lansdowne
Most roof repairs in Lansdowne fall between $350 and $2,500, with simple slate re-bedding or flashing patches at the lower end and chimney-adjacent work requiring scaffold access at the higher end. The prevalence of century-old slate and steep pitches here often means repairs take more time than on newer suburban homes, but we quote upfront so you know before we start. Call (855) 554-5116 for a free estimate - we’ll give you the exact number for your specific roof.
We can repair most Pennsylvania slate roofs if the underlying deck is sound and matching stone is available. In Lansdowne, where so much original slate remains, we source Pennsylvania blue-gray slate from the same quarries that supplied these homes in 1910. Full replacement only makes sense when more than 25-30% of slates are failing or the decking has rotted. We’ll tell you honestly which side of that line you’re on - no pressure to replace what can be fixed.
Yes, and this is one of the most common calls we get in Lansdowne’s twin-home neighborhoods. An inexperienced roofer often fails to properly terminate flashing at the party wall or damages the shared ridge cap during replacement. We document the condition, coordinate with both owners when needed, and repair the flashing geometry to protect both sides. If the original contractor won’t return, we also offer free second opinions on any written estimate.
We typically arrive within one hour for Lansdowne emergency calls, and our phones are staffed by a live person 24 hours a day, including nights, weekends, and holidays. Most emergency tarping and temporary sealing is completed in a single visit to stop further water intrusion until permanent repairs can be scheduled. For storm damage, call (855) 554-5116 anytime - we don’t use voicemail trees or callback windows.
For Lansdowne’s older housing stock, repair is usually more economical if the roof is under 20 years old (for asphalt) or has less than 25% slate failure. Once chronic leaks, widespread granular loss, or multiple chimney-adjacent failures set in, replacement becomes the better long-term value. We never push replacement on a roof that has good years left, and we’ll show you the photos so you can see what we see. Call (855) 554-5116 for an honest assessment - estimates are free.
Written by the team at Ridgeline Roofing Co., serving Lansdowne since 2016.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Lansdowne Customers Say
"Second roof they have done for us across two houses. Same written scope, same warranty paperwork, same standard of cleanup both times."
- Ernesto Vargas"The leak over the kitchen turned out to be a cracked boot around a vent pipe, not the roof. He showed me the photo from up there and replaced the boot for a couple hundred dollars. The company before him had quoted a full tear off."
- Wade Thompson"Added a ridge vent and cleared the blocked soffit vents. The attic temperature dropped noticeably and the upstairs is livable in summer now."
- Simone Grant