Kean Development

Kean Development Kean Development is a high end luxury home builder with offices in Cold Spring Harbor, The Hamptons and Palm Beach, Florida.

For over 40 years, this design, build, landscape and management firm has constructed some of the loveliest estates in the east. Team Kean: In-house design team works side by side with construction management and landscape design team from project conception to move in date. Thorough control and insight on all levels is bred from the total "in-house" team approach. This dynamic, innovative company boasts the perfect size where clients are customers for life.

A traditional home that never goes out of style.
05/28/2026

A traditional home that never goes out of style.

Balanced interiors make a house feel like home.
05/21/2026

Balanced interiors make a house feel like home.

Shingle style on the dunes of the east end. Set gracefully into the landscape.
05/07/2026

Shingle style on the dunes of the east end. Set gracefully into the landscape.

Historical renovation done right.Every decision made to preserve what was there and quietly improve what wasn’t.
04/30/2026

Historical renovation done right.
Every decision made to preserve what was there and quietly improve what wasn’t.

04/23/2026

New construction — made to look like it’s been there forever.

Balanced, clean & intentional lines in this contemporary home.
04/09/2026

Balanced, clean & intentional lines in this contemporary home.

Gracefully settled into the landscape.
04/02/2026

Gracefully settled into the landscape.

Timeless lines. Built to live beautifully.
03/19/2026

Timeless lines. Built to live beautifully.

A quiet approach to something extraordinary.
03/12/2026

A quiet approach to something extraordinary.

03/05/2026

Tour this lovely Vero Beach Florida home ready to break ground this month! One of many available in John’s Island.

Address

5 Main Street Ste B
Cold Spring Harbor, NY
11724

Opening Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm

Website

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