Town of East Hampton
Retaining Walls in East Hampton, NY
A retaining wall in East Hampton runs about $18–65 per square foot of face in segmental block and $10–85 in natural stone (national 2026), so a 50-foot, 3-foot wall is roughly $4,000–12,000 in block and $6,000–18,000 in stone. Above 48 inches of retained fill New York code requires an engineered design and a permit. We put East Hampton homeowners in touch with one licensed, insured mason who works the town, drains the wall properly, and handles the engineering and the paperwork.
Last updated · Reviewed by Sag Harbor Masonry Co.
A retaining wall in East Hampton is a structure, not a garden feature, and above 4 feet the code treats it as one. We put East Hampton homeowners in touch with one licensed, insured mason who works the town and its ground, brings in an engineer when the wall needs one, and prices the drainage on the quote where you can see it.
Retaining walls in East Hampton: what's different here
Shingle-style and Colonial Revival houses under the village elms with brick stoops and bluestone walks, oceanfront estates on the lanes south of the highway with pool decks and long gravel courts, and mid-century and new-build houses on the moraine slopes of Springs and Northwest Woods.
East Hampton has flat outwash near the water and moraine slopes inland, and retaining walls mostly live on the inland side: driveway cuts, stepped terraces and pool excavations in till with clay lenses. The drainage design changes with the soil on the lot, and a mason who works both sides of East Hampton reads it before quoting.
In the historic parts of East Hampton, a retaining wall visible from the street needs review before the permit issues; the mason should raise it first.
Inside the village's four historic districts (Huntting Lane, Main Street, Ocean Avenue, The Hook), fences and walls need Design Review Board approval; outside them, a wall set 50 feet or more back from the pavement may rise to 8 feet without the same review. Village construction hours from May 15 to September 15 are Monday–Friday 8am–6pm and Saturday noon–4pm, with no Sundays or federal holidays; first-offense fines start at $250 and contractors must register with the village ($250 a year).
Permits in East Hampton run through the Village of East Hampton Building Department inside the village; Town of East Hampton Building Department for Springs, Northwest Woods and the rest of the town; the mason we put you in touch with handles the filing where one is required.
How it works
Tell us about the job once. One licensed, insured mason who works East Hampton and handles retaining walls regularly contacts you within 1 business day. Free for homeowners, no spam calls.
FAQ
Retaining walls questions
Do I need a permit for a retaining wall in the Hamptons?
Usually not under 4 feet, usually yes above it. New York's residential code treats a retaining wall not over 4 feet high, measured from the bottom of the footing to the top of the wall, as exempt from a building permit unless it supports a surcharge (a driveway, a slope, a structure) or impounds water. Above 48 inches of retained fill, section R404.4 requires a registered design professional's design, and the wall needs a permit; stamped drawings take 1–2 weeks, and the Town of East Hampton has reported a 16–20 week permit backlog (the Village of East Hampton usually 2–4 weeks). Within 100–150 feet of a wetland in the Town of East Hampton or 125 feet in the Town of Southampton, any wall is a wetlands application, and in the Sag Harbor historic district a visible retaining wall needs a Certificate of Appropriateness.
Read the full answer →When is the best time of year for masonry work in the Hamptons?
Spring and early fall. The ground is workable, the temperatures suit curing, and crews are not yet booked by June. Summer works but the villages restrict hours: East Hampton Village allows weekdays 8am–6pm and Saturdays noon–4pm from May 15 to September 15, no Sundays; Southampton Village weekdays 8am–6pm and Saturdays 9am–5pm, no Sundays (a Saturday ban was proposed in July 2026); Sag Harbor weekdays 8am–7pm and Saturdays 9am–5pm; Sagaponack 7am–7pm, no Sundays. Mortar work stops when the air or the stone drops below 40°F unless materials are heated and the work is protected for 24–48 hours, so mortared walls, repointing and chimneys are April-to-November jobs; dry-set patios and dry-stacked walls can go on in winter when the ground is not frozen. Permits set the real calendar: 2–4 weeks in East Hampton Village, a reported 16–20 weeks in the Town.
Services
More in East Hampton
Bluestone Patios & Walkways in East Hampton
Pennsylvania and New York bluestone, laid dry on a compacted base the way Long Island frost demands, priced against 2026 Long Island ranges, plus pavers, brick and the outdoor kitchen that usually sits on it.
Stone Walls in East Hampton
Dry-stacked fieldstone, mortared stone and veneer walls: what they cost per square foot of face, where the stone comes from, and which village boards want to see a wall before it goes up.
Driveways, Aprons & Belgian Block in East Hampton
The Hamptons driveway, crushed bluestone inside a Belgian-block edge with a cobble apron at the road, plus paver drives: 2026 Long Island costs, base depths, and the state, county and village permits the apron needs.
Pool Decks & Coping in East Hampton
Coping and deck surfaces for a South Fork pool, priced against 2026 Long Island ranges by material, with the barrier code every pool deck has to satisfy and the sealing routine that keeps stone flat through winter.
Masonry Repair & Restoration in East Hampton
Repointing brick and stone with the right mortar for pre-1900 work, chimney crowns, liners and rebuilds, and bluestone steps and stoops, priced against 2026 ranges, for the old houses of the South Fork.
Book a mason in East Hampton
Sixty seconds. One licensed, insured mason who works your town calls you within one business day. Free for homeowners; nobody else gets your number.
We use what you send us only to put you in touch with the right mason. Never sold, never used for marketing. Privacy policy.