Wet basements in Harrison
Harrison is a town and village with the same borders, covering downtown Harrison, West Harrison and Purchase. Most of its homes went up between the mid 1940s and the 1950s, largely colonial revival, with some earlier Tudor homes. The East Branch of the Mamaroneck River begins in north Harrison, and the river later forms part of the line with Mamaroneck Village.
Postwar poured and block foundations from that building boom are now around 70 years old or older. Cove joint seepage, leaking tie holes and tired sump pumps are common, and homes near the Mamaroneck River corridor deal with higher water in wet seasons.
A contractor who serves Harrison will contact you, inspect the basement and the outside of the house, and give you a written proposal. Look for one that names where the water gets in and why, then recommends a fix that matches: sealing a crack, extending downspouts and regrading, adding a sump pump, or installing an interior drain.
Before the visit, note which walls get wet, how soon after rain it starts and if you have a sump pump. Check that gutters are clear and downspouts discharge away from the house. Those two steps alone fix some basements and help the contractor see what is left.
Ask any contractor working in Harrison for their Westchester County home improvement license number, proof of insurance, the warranty in writing and where any pumped water will be discharged. If the walls show long horizontal cracks or bowing, ask for foundation crack repair advice and consider a structural engineer before any waterproofing goes in.
Nearby areas we also cover: White Plains, Mamaroneck, Purchase, West Harrison, Rye.
Waterproofing requests we take in Harrison
- Basement waterproofing in Harrison
- Interior drainage and French drains in Harrison
- Sump pump installation in Harrison
- Exterior foundation waterproofing in Harrison
- Foundation crack repair in Harrison
- Crawl space encapsulation in Harrison
- Grading, gutters and window wells in Harrison
Questions homeowners ask
How much does basement waterproofing cost in Harrison?
Fixr lists most projects at about $3,000 to $10,000 nationally. A crack injection may cost a few hundred dollars, while exterior excavation can cost much more. Westchester labor rates tend to run above average.
Who will inspect my basement in Harrison?
A local basement waterproofing contractor who works in Harrison and nearby towns. They contact you and give you their own written price.
What is the most common cause of basement leaks?
Water pressing against the foundation after heavy rain, made worse by downspouts and grading that put roof water right at the wall. The joint between the floor and the wall is the most common entry point.
Can I fix it myself?
Cleaning gutters, extending downspouts and adding soil so the ground slopes away are reasonable homeowner tasks. Drains, pumps, crack injection and excavation are best left to a contractor.