914 Basement Waterproofing and Repair in New Rochelle, NY
New Rochelle is a large, older city: the typical home was built around 1955 and 76% pre-date 1980, with a median home value near $700,000.
Basement contractors for New Rochelle
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.
AMHAC (All Makes Heating & Air Conditioning)
No rating collected yetSump pump installation and repair; plumbing, heating and air conditioning
Avellino Construction
No rating collected yetBasement, foundation, chimney and exterior-wall waterproofing; masonry and roofing; 24-hour emergency service
Bombace Construction Co., Inc.
No rating collected yetYard drainage, curtain and French drains, dry wells, catch basins, sump pump installation, grading, retaining walls
F. La Rocca & Sons
No rating collected yetMasonry, drainage and waterproofing
MJ Plumbing Contractors & Son
No rating collected yetPlumbing and sump pumps
Sundahl Waterproofing
No rating collected yetInterior and exterior waterproofing, drainage, sump pumps, foundation repair
Services in New Rochelle
Housing in New Rochelle
| Place | Typical year built | Built before 1950 | Built before 1980 | Median home value |
|---|---|---|---|---|
| New Rochelle | 1955 | 39.6% | 75.9% | $702,500 |
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 New Rochelle
- Westchester County’s Long Island Sound watershed program lists this municipality in the watershed study areas for “Mamaroneck and Sheldrake Rivers; Mamaroneck Harbor”, “Pine and Stephenson Brooks; Larchmont Harbor”, “Hutchinson River”. [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 New Rochelle
From the municipality’s own pages, retrieved Oct 2026. Rules change, so call the building department before work starts.
What basement work costs
| Job | Published range | Source |
|---|---|---|
| Typical interior drain system, 120 ft of wall (low / typical / high) | $3,041 / $7,095 / $12,163 | RenoVetted |
| Sump pump work, White Plains (low to high, midpoint about $1,574) | $840 to $3,673 | RenoVetted |
| Minor crack repairs and basic waterproofing, White Plains | $2,400 to $4,700 | HomeBlue |
| 8 piers or repair points, Yonkers (low / typical / high, modeled) | $4,223 / $10,136 / $16,893 | RenoVetted |
| Basement, partial (national) | $1,500 to $6,000 | HomeGuide |
| Per square foot, White Plains (low / typical / high, modeled) | $26 / $52 / $84 | RenoVetted |
| Whole-house filtration system, installed (national) | $850 to $5,400 | HomeGuide |
Most published Westchester figures are modeled estimates for White Plains or Yonkers, and national ranges where noted (water treatment figures are national). They are not bids for this town; Westchester quotes can run higher. See all costs and sources.
Homeowner guides
- Basement costs (2026)
- How to Check a Westchester Contractor's License Before You Sign
- Water in Basement After Heavy Rain
- Sump Pump Running Constantly
- Signs of a Wet Basement (and What Each One Means)
- Sump Pump vs. French Drain
- Mold in the Basement
- Fall Basement Prep Checklist for Westchester Homes
- Finishing a Basement in Westchester
- Private Well Water in Westchester
Nearby towns
Sources
- Westchester County Planning: Long Island Sound Watershed Program (watershed study areas by municipality)
- FEMA Flood Map Service Center (look up your own address)
- City of New Rochelle: Building Permits
- City of New Rochelle: Sewer Backups
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25034, B25035, B25077 (via Census Reporter)
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