# 1215 MIDDLE LINE HWY, Sag Harbor, NY 11963 > **TL;DR:** 5bd/5ba single family, $3,899,999 ($780/sqft), built 2026, 5,000 sqft. Est. $20,858/mo. Listed 230 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $3,899,999 | | Price/sqft | $780 | | Bedrooms | 5 | | Bathrooms | 4 full, 1 half | | Square Feet | 5,000 | | Year Built | 2026 | | Lot Size | 18,731 sqft (0.43 acres) | | Property Type | Single Family (Other) | | Status | Pending | | Days on Market | 230 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $19,721 | | Estimated Insurance | $1,137 | | **Total** | **$20,858** | ## Property Highlights - Built in 2026 - 0.43 acre lot ## Description ### Agent Description 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 residence - not just the land. The home features 5 bedrooms, 4.5 bathrooms (option to expand), and a heated gunite 16 x 36 pool, all standard. ARCH&Co provides an exclusive array of over 50 options, to personalize the build with options such as additional bedrooms, bathrooms, gym, home theater, sauna, steam room, outdoor kitchens, fireplaces, and more. Inside, you are invited to work alongside the renowned Fiorello Design to select premium tiles, flooring, cabinetry, countertops, and paint colors, - all included within the standard pricing. This is a rare opportunity to create a fully customized home, without the complexity of a traditional custom build, that only ARCH&Co can offer. ## Location - **Address:** 1215 MIDDLE LINE HWY, Sag Harbor, NY 11963 - **County:** Suffolk - **Coordinates:** 40.987756, -72.286063 - **Google Maps:** https://www.google.com/maps?q=40.987756,-72.286063 ## Listing Agent - **Name:** Josh Seidner - **Brokerage:** Compass - **Broker Phone:** (212) 913-9058 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/1215-Middle-Line-Hwy_Sag-Harbor_NY_11963_M42020-84059?f=listhub&s=NYSMLS&m=11681141&c=propsimple) ## Photos ![1215 MIDDLE LINE HWY - Photo 1](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f2247294312r.jpg) ![1215 MIDDLE LINE HWY - Photo 2](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f2184596655r.jpg) ![1215 MIDDLE LINE HWY - Photo 3](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f595045112r.jpg) ![1215 MIDDLE LINE HWY - Photo 4](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f852523333r.jpg) ![1215 MIDDLE LINE HWY - Photo 5](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f671018965r.jpg) ![1215 MIDDLE LINE HWY - Photo 6](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f1760626101r.jpg) ![1215 MIDDLE LINE HWY - Photo 7](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f2807767589r.jpg) ![1215 MIDDLE LINE HWY - Photo 8](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f370880530r.jpg) ![1215 MIDDLE LINE HWY - Photo 9](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f2864487988r.jpg) ![1215 MIDDLE LINE HWY - Photo 10](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f1488885048r.jpg) ![1215 MIDDLE LINE HWY - Photo 11](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f1576214493r.jpg) ![1215 MIDDLE LINE HWY - Photo 12](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f1105503291r.jpg) ![1215 MIDDLE LINE HWY - Photo 13](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f1631237319r.jpg) ![1215 MIDDLE LINE HWY - Photo 14](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f3833958792r.jpg) ![1215 MIDDLE LINE HWY - Photo 15](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f570106282r.jpg) ![1215 MIDDLE LINE HWY - Photo 16](http://lh.rdcpix.com/ac11b9771ef40af07271a319b13275a8l-f3004680566r.jpg) --- **MLS#:** 11681141 | **Updated:** 2026-11-01 **Source:** listhub *Copyright © 2026 My State MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.* [View on PropertySimple](https://www.propertysimple.ai/listing/1215-middle-line-hwy-sag-harbor-ny-11963-eda3cc134e944d9d926a0d1eb088d101) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/1215-middle-line-hwy-sag-harbor-ny-11963-eda3cc134e944d9d926a0d1eb088d101#listing", "url": "https://www.propertysimple.ai/listing/1215-middle-line-hwy-sag-harbor-ny-11963-eda3cc134e944d9d926a0d1eb088d101", "name": "1215 MIDDLE LINE HWY, Sag Harbor, NY 11963", "description": "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. 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