Coastal and pilings
Under-house enclosure and flood retrofit
Tier B · 20 towns covered
Drainage, breakaway walls, and flood-damage-resistant materials for the enclosed area beneath an elevated home.
Homeowners here run into this regularly, and the fix depends heavily on what's actually causing it.
What homeowners tend to describe
- Breakaway walls that are damaged or were never rated
- Water trapped under an elevated house after a tide
- Ground beneath the house that stays wet for days
- Storage below base flood elevation in materials that will not survive wetting
What the work involves
The aim is a space that lets water in and out without damaging the structure: rated breakaway walls, drainage that actually drains, and flood-resistant materials throughout.
$2,000 – $10,000 — typical range, not a quote. What your home needs can only be settled by a registered contractor who comes out and looks at it.
Rather just ask somebody?
Write down what you've noticed. We'll route it to registered local contractors and step out of the way.
Tell us what's happening →Coverage
Towns we cover for this
Only the areas where this work actually applies.
Bayfront and lagoon
Dredge-and-fill lagoon communities at low elevation with tidal influence on groundwater.
Long Beach Island
Salt air, timber and concrete pilings, and housing stock split sharply between pre- and post-Sandy.