914 Yard Drainage & French Drains in Harrison, NY
Harrison is a mid-century town: the typical home was built around 1962 and 68% pre-date 1980, with a median value just over $1 million. Several brooks and rivers run through it. Larger Westchester properties often have slopes, ledge, retaining walls and mature landscaping, which affect how and where water can be moved. Ask a drainage contractor where the water will go, whether any neighboring property or municipal system is involved, and whether a permit is required for the work.
Yard drainage companies for Harrison
How we pick: we list up to six companies per page. Independent firms come first, then firms based outside Westchester, then franchise or network affiliates. Companies that name the town as served come before those that serve the whole county. Listings are free, not paid, and not an endorsement. Home improvement license status was looked up in the Westchester County consumer license search on Oct 26 to 27, 2026, plumber license status in the county trade license search on Oct 27, 2026, and NYS mold license status in the state Labor Department data set; each profile shows what we found.
Bombace Construction Co., Inc.
No rating collected yetYard drainage, curtain and French drains, dry wells, catch basins, sump pump installation, grading, retaining walls
De La Paz Masonry
No rating collected yetWaterproofing, French drains, sump pumps, masonry
F. La Rocca & Sons
No rating collected yetMasonry, drainage and waterproofing
Sundahl Waterproofing
No rating collected yetInterior and exterior waterproofing, drainage, sump pumps, foundation repair
Gregg Segnit Waterproofing
No rating collected yetBasement and foundation waterproofing, drainage, sump pumps
Kellets Anchored Home Improvement
No rating collected yetExterior and interior waterproofing, drainage, crack repair, sump systems, foundation repair coordination
Housing in Harrison
| Place | Typical year built | Built before 1950 | Built before 1980 | Median home value |
|---|---|---|---|---|
| Harrison | 1962 | 26.1% | 67.7% | $1,010,700 |
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates (tables B25035, B25034, B25077), retrieved Oct 2026. Estimates carry a margin of error.
Flooding and water in Harrison
- Westchester County’s Long Island Sound watershed program lists this municipality in the watershed study areas for “Blind, Beaver Swamp and Brentwood Brooks; Milton and Port Chester Harbors”, “Mamaroneck and Sheldrake Rivers; Mamaroneck Harbor”, “Bronx River”. [source]
- The town code includes a flood damage prevention chapter. [source]
- Flood maps are address-specific. Check your own address on FEMA’s flood map service, and ask any contractor how they treat a high water table on your lot. [source]
Permit notes for Harrison
From the municipality’s own pages, retrieved Oct 2026. Rules change, so call the building department before work starts.
- The Building Department lists plumbing and excavation/regrading permits; land disturbance needs Engineering approval. Call 914-670-3050 to confirm your discharge location and permit before work starts. We did not find a sump-pump-specific ordinance. [source]
Frequently asked questions
How many yard drainage companies serve Harrison?
We show 6 of 12 companies we found for Harrison: 8 name Harrison as an area they serve, and the rest serve all of Westchester County. Always confirm a company covers your address.
Does Harrison require a permit for this work?
Often yes. See the permit notes on this page, then call the Harrison building department before you sign a contract.
Do I need a French drain or just better grading?
If water pools near the foundation after rain, regrading and downspout extensions are the cheapest first step. A French drain helps where grading alone cannot move the water.
Where should downspouts discharge?
Well away from the foundation, onto ground that slopes away, or into a buried line that outlets downhill. Water dumped next to the house can soak back to the footing.
Nearby
Sources
- Westchester County Planning: Long Island Sound Watershed Program (watershed study areas by municipality)
- Town/Village of Harrison Code, Chapter 146: Flood Damage Prevention
- FEMA Flood Map Service Center (look up your own address)
- Town/Village of Harrison: Building Department
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25034, B25035, B25077 (via Census Reporter)
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