Rowhouse and Twin Water Damage in North Philadelphia
A leak in one attached house routinely reaches the party wall and the house beside it.
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In North Philadelphia, water rarely stays in one house, because attached brick rowhouses share walls and ceilings. A leak, a burst pipe or hose water from a fire next door can show up in your plaster. Turn off your own main valve, then call Jenkintown Water Damage Restoration; phones are answered around the clock.
North Philadelphia is a wide belt of rowhouse neighborhoods north of Center City. It takes in the Temple University area, Strawberry Mansion, Fairhill, Hunting Park, Olney and Oak Lane. Most blocks are attached brick rowhouses from the late 1800s through the 1920s on narrow lots.
That construction decides how a water job goes. There is no side yard to run hoses through, the basement stairs are steep and tight, and the house on either side is only a brick wall away. Equipment comes in the front door, and a good crew plans the route before it plugs anything in.
Jenkintown Water Damage Restoration works from Jenkintown, in Montgomery County, and handles the water: extraction, drying and tear-out of wet plaster, flooring and drywall. Fixing the leaking pipe belongs to a licensed plumber. Ring (833) 490-5225 and describe the damage, and the crew will say what to do first.
A leak in one attached house routinely reaches the party wall and the house beside it.
Old supply lines and the 2026 freeze made winter pipe failures common on these blocks.
Combined sewers can push contaminated water up a basement drain in heavy rain.
Plaster ceilings under bathrooms and roofs stain, sag and drop when water pools above.
Brick, plaster and old joists need monitoring because they hold water for days.
Hard freezes in January and February, snowmelt and spring rain on saturated ground, summer thunderstorms and the tropical remnants of late August and September decide which water problems are most likely in Jenkintown from week to week.
Rowhouses here usually share a party wall, which is a brick wall that belongs to both houses. Water from a failed supply line, a leaking radiator or a roof leak can travel along that wall and stain the plaster on the other side. Joists often rest in the party wall too, so wet framing is a real possibility, not just a wet surface.
Plumbing of that era may still include original cast-iron drain stacks and older galvanized supply lines. Both corrode from the inside over decades, and a pinhole can run for weeks behind a wall before a ceiling stain appears. These are general patterns, and a technician confirms what is actually behind your wall with a moisture meter and a thermal camera.
If your neighbor's leak is coming through, tell them and take photos of the damage on your side. Whose insurance responds is a question for the insurers. The crew can document moisture readings and photos for either claim.
An Arctic blast kept the city below freezing for nearly a week in late January 2026, and the Philadelphia Water Department answered 147 water main breaks that month. North Philadelphia was among the areas hit. One break on Oakdale Street sent water rushing down the roadway and into nearby properties.
Street flooding like that tends to reach basement windows, coal chutes and cellar doors first. Water from the street is not clean, so cleanup is treated as contaminated until a technician says otherwise. Anything porous that sat in it, such as stored cardboard, carpet and drywall, usually needs to go.
The main itself belongs to the water utility. Inside your walls, the crew can help stop the water, board up a damaged opening and dry the house. See the emergency water removal page for how that first visit works.
Much of the older city drains to combined sewers that can back up in heavy rain. When the pipe under the street fills, the first place for the water to go is your basement floor drain. A stopped-up inlet at the corner makes it worse.
Treat what comes up a drain as sewage. A free backwater valve through the Philadelphia Water Department's Basement Backup Protection Program may be available if you qualify, and it is worth asking about before the next storm.
Insurance for backup is usually an endorsement on a homeowners policy, and flood from surface water is a separate policy. Check yours, and ask your agent before you assume either way.
Find the main shut-off, usually near the meter in the cellar, and close it if the water is coming from inside the house. Do not wade through standing water near outlets or appliances. Turn off power to the area only if you can reach the panel without stepping in water.
Then photograph the ceiling, the walls on both sides of the room and the floor before anything is moved. Lift small valuables, and pull rugs and furniture off wet floors if you can do it safely. Wet plaster is heavy and can come down, so keep out from under a bulging ceiling.
Call early. The crew will ask which floor is wet, whether the neighbors are affected and how the cellar is reached, because those answers decide what equipment goes in the truck.
A crew is dispatched as fast as one is available, and you approve the estimate before any work starts.
North Philadelphia ZIP codes we cover: 19121, 19132, 19133, 19140, 19141, 19120, 19126. Type yours to confirm, or just call.
ZIP 19144, 19138
ZIP 19102, 19103, 19106, 19107, 19123, 19130
ZIP 19134, 19125, 19122, 19137, 19124, 19135
ZIP 19127, 19128, 19129
Yes. Rowhouse jobs use compact air movers and dehumidifiers that come through the front door and down narrow cellar stairs. The crew plans hose and cord routes before starting, since there is usually no side access. Extraction hoses typically run out the front to a truck at the curb.
Photograph the damage, tell your neighbor, and have the wet area checked with a moisture meter. A leak in a shared wall can travel before it shows. Insurance questions are for your insurer and theirs; the crew documents readings and photos you can share with either.
Not safely. Water that came through a street or sewer opening may carry dirt and bacteria. Wear boots and gloves, avoid wet outlets, and let porous materials be removed by a crew. The utility fixes the main; the crew handles the water inside your house.
Not always. Plaster over lath dries slowly, and a crew first measures how far moisture has spread. Small stains may dry in place, while soaked or sagging sections are cut out. Repairs after drying are quoted separately from the emergency-stage price.