For Sale $3,899,999

Sold $3,999,999 • Co-Listing Agent

Pending $3,999,000 • Co-Listing Agent

Sold $3,399,999 • Co-Listing Agent

For Sale $4,399,999 • Co-Listing Agent

Sold $3,595,000

Pending $3,899,999 • Co-Listing Agent

Josh Seidner

Compass

3 Closed Sales

$11M Total Value

$3.4M - $4M Price Range

$3.7M Average Price

Prior 5 years

About Josh

Home Types: House

Years of Experience: 3

Transaction History

1 Year

Neighborhoods Josh is Experienced In

Sag Harbor

2 Sales
Southampton

1 Sale

Josh's Active Listings

$3,899,999
- 5 Beds
- 4.5 Baths
- 5,000 Sq Ft
1215 Middle Line Hwy

Sag Harbor, NY
Now delivering in as little as 9 months, ARCH&Co is redefining the Hamptons' building experience. We believe your home should reflect your unique vision. Only this extraordinary pre-completion opportunity allows you to collaborate on a residence that is customized to your exact specifications. This 5,000 sq ft estate on just shy of a half-acre lot is priced at $3.9M, including the finished

Josh Seidner Compass

Co-Listing Agent

$4,399,999
- 4 Beds
- 3.5 Baths
- 5,000 Sq Ft
397 Brick Kiln Rd

Sag Harbor, NY
Now delivering in as little as 9 months, ARCH&Co is redefining the Hamptons' building experience. We believe your home should reflect your unique vision. Only this extraordinary pre-completion opportunity allows you to collaborate on a residence that is customized to your exact specifications. This 5,000 sq ft estate on one acre lot is priced at $4,399,999, including the finished residence - not

Josh Seidner Compass

Co-Listing Agent

$3,999,000
- 4 Beds
- 3.5 Baths
- 5,000 Sq Ft
393 Brick Kiln Rd

Sag Harbor, NY
Now delivering in as little as 9 months, ARCH&Co is redefining the Hamptons' building experience. We believe your home should reflect your unique vision. Only this extraordinary pre-completion opportunity allows you to collaborate on a residence that is customized to your exact specifications. This 5,000 sq ft estate on one acre lot is priced at $3.999M, including the finished residence - not

Josh Seidner Compass

Co-Listing Agent

$3,899,999
- 5 Beds
- 4.5 Baths
- 5,600 Sq Ft
400 Division St

Sag Harbor, NY
Stop Searching....Start Customizing! At ARCH&Co, we believe your home should be customized to your lifestyle. Only an extraordinary pre-completion opportunity can do this. You don't just get a house-you get the chance to collaborate on a truly bespoke living experience. From style to interior finishes, ARCH&Co offers an exclusive array of customizations, allowing you to shape every detail to fit

Josh Seidner Compass

Recently Sold

$3,595,000 Sold Jun 26, 2025
- 5 Beds
- 5.5 Baths
- 2,115 Sq Ft
10 William Way

Southampton, NY
- $1,700/SF
- 72 Days On Market
- Current Est. Value $4M
Josh Seidner Compass

Josh Seidner

(631) 295-4030

(631) 295-4030

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