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Sag Harbor Masonry Co.

Town of Southampton

Bluestone Patios & Walkways in Southampton, NY

A bluestone patio in Southampton runs about $20–50 per square foot installed (2026 Long Island contractor ranges), so 400–600 sq ft is roughly $8,000–30,000 before steps, walls or drainage, and takes a crew 4–5 days. We put Southampton homeowners in touch with one licensed, insured mason who works the town, sets the base for its soil and frost, and lays 1½–2 inch stone dry so it moves with the ground instead of cracking.

Last updated · Reviewed by Sag Harbor Masonry Co.

A bluestone patio in Southampton is a five-figure decision that lives or dies on the base under it. We put Southampton homeowners in touch with one licensed, insured mason who works the town and its soil, and we publish the 2026 Long Island ranges per square foot so you can read the quote when it arrives.

Bluestone patios in Southampton: what's different here

Gilded-age estates on the ocean lanes with century-old brick walls, bluestone terraces and stone gate piers, village Colonials and Capes north of the highway with a brick stoop and a paver walk, and bay-side houses in North Sea on the moraine.

Southampton runs from open, salt-exposed ground near the water to wooded inland lots, and the base changes with it: fast-draining outwash sand on one side, till with clay lenses and boulders on the other. A mason who works both sides of Southampton sets the base depth and drainage for the lot, not from a rule of thumb.

In the historic parts of Southampton, a terrace or walkway visible from the street may need review before work starts; the mason should raise it before ordering stone.

The Village of Southampton caps lot coverage at 14% of the lot plus 1,500 sq ft, up to a maximum of 30%; patios, pool decks and driveways count. Village construction hours are Monday–Friday 8am–6pm and Saturday 9am–5pm with no Sunday work (a proposal to bar Saturdays too was under discussion in July 2026, so confirm current hours); pile driving is banned on weekends and holidays from Memorial Day to Labor Day.

Permits in Southampton run through the Village of Southampton Building Department inside the village; Town of Southampton Building Division for North Sea, Shinnecock Hills, Tuckahoe 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 Southampton and handles bluestone patios regularly contacts you within 1 business day. Free for homeowners, no spam calls.

FAQ

Bluestone patios questions

How much does a bluestone patio cost in the Hamptons?

About $20–50 per square foot installed on Long Island in 2026: the two Long Island contractor sources we found say $20–40 and $30–50, and the national blend is $16–38 (average $17–25). A 400 sq ft terrace is therefore roughly $8,000–20,000 and a 600 sq ft one $12,000–30,000, before steps, seat walls, an outdoor kitchen (national average about $13,180) or drainage. Material is a small part of it: natural cleft bluestone is $6–11 per square foot and thermal $9–14, and thicker stone adds $2–6. The rest is labor and base, and one installer puts site preparation at about 90% of the labor hours. Hamptons quotes sit at the top of the range when access is tight, the pattern is complex or the stone is select blue-blue.

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Thermal vs natural cleft bluestone: which should I use?

Natural cleft is bluestone split along its bedding plane: a textured, slightly uneven face with better grip when wet, less quarry work, and a material price of about $6–11 per square foot. Thermal (flamed) bluestone is heat-treated to a flat, uniform surface: cleaner to lay, easier to sweep, more formal, and about $9–14 per square foot in material because of the extra quarry labor. Both are the same stone, a feldspathic sandstone from the Catskills and northeastern Pennsylvania that absorbs under 2% water, so both survive Long Island winters. Use cleft where feet are wet, around pools and on shaded walks; use thermal for dining terraces and where an architect wants straight lines. Full-color and blue-blue grades are a color decision, not a durability one.

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Does bluestone need to be sealed?

Not to survive, but usually yes to stay clean. Bluestone absorbs less than 2% water (the best varieties under 0.5%), which is why it handles Long Island freeze-thaw unsealed. Sealing protects against stains, salt and efflorescence. The rule is the type: a penetrating silane or siloxane sealer that lets the stone breathe, never a film-forming sealer, which traps moisture under the surface and flakes it off in winter. Typical cadence for a natural-stone patio is every 2–4 years, closer to 3 near the water or around a pool, at roughly $1–2 per square foot for a terrace and $3–5 per linear foot for coping. Polymeric sand in the joints is a separate item, redone every 3–7 years.

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