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Mount Sinai, NY

Office

Mount Sinai, NY Office Spaces for Sale

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Port Jefferson, NY Miller Place, NY East Setauket, NY Coram, NY Middle Island, NY Rocky Point, NY Selden, NY Brookhaven, NY

Commercial Development Opportunity on Route 25A

Updated: Jan 27

Commercial Development Opportunity on Route 25A

12 Myrtle Street, Mount Sinai, NY 11766

Contact for pricing

88,000 sqft

Immediate access to major 4‑lane highway (Route 25A) with high traffic count (40K+ ADDT).
Part of a large‑scale Planned Development District (PDD) with approved master plan.
Approved for diverse uses: retail (including anchor and divisible pad site with drive‑through), medical office, and a 140‑unit luxury rental complex.
New 4‑way signalized intersection at Route 25A and Myrtle Street to be constructed by the master developer.
Proximity to major hospitals: J.T. Mather (Northwell), St. Charles (CHS), and Stony Brook University Hospitals.

Commercial Development Sites For Sale

Updated: Jan 27

Commercial Development Sites For Sale

12 Myrtle Street, Mount Sinai, NY 11766

Contact for pricing

87,000 sqft 8.54 AC lot

High‑traffic location on Route 25A with 40,000+ ADDT, offering excellent visibility and accessibility.
Part of a Planned Development (PDD) with an experienced Master Developer, ensuring coordinated development and quality.
Preliminary approval in place and available public sewer connection, streamlining the development process.
New 4‑way signalized intersection at Route 25A and Myrtle Street, enhancing site access and safety.**
Immediate proximity to major hospitals (JT Mather/Northwell, St Charles/CHS, Stony Brook University Hospital), ideal for medical‑related businesses.

Commercial Development Sites on Route 25A

Commercial Development Sites on Route 25A

Mount Sinai, NY 11766

Contact for pricing

87,000 sqft 8.54 AC lot

Two contiguous commercial development sites for sale on Route 25A.

Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Based on your search, we've compiled 17 Potential Opportunities for your consideration. Besides 3 Active listings in Mount Sinai, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 6 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Office Building with Available Space

Office Building with Available Space

4 Technology Dr, Setauket-, East Setauket, NY 11733

$2,384,000

52,720 sqft

Office 4 Technology is available for sale with 5,173 SF of office space.

Medical Office Building with On-Site MRI

Medical Office Building with On-Site MRI

5 MEDICAL DR, Port Jefferson Station, NY 11776

Contact for pricing

4,000 sqft

Tenanted neurology practice includes an on-site MRI and benefits from proximity to major regional hospitals.

Turn-Key Medical Office Suite

Turn-Key Medical Office Suite

8 Technology Drive #103, East Setauket, NY 11733

$999,995

2,500 sqft

Ground-floor suite previously used by a medical practitioner, offered turn-key and suitable for build-to-suit expansion.

Two-Story Medical Office Building

Two-Story Medical Office Building

49 Nesconset Hwy, Port Jefferson Station, NY 11776

Contact for pricing

Single-tenant, absolute NNN leased two-story medical office building built for hematology cancer treatments.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Commercial Land

Commercial Land

N Country Roads, Rocky Point, NY

$390,000

0.41 AC lot

J-2 zoned commercial lot on North Country Road in Rocky Point, NY, sized for a range of business uses.

Approved Commercial Development Lot

Approved Commercial Development Lot

V/L Versa Place, Shirley, NY 11967

$650,000

0.50 AC lot

Vacant, zoned commercial lot with approvals to build a two-story retail/office building with elevator.

Zoned Commercial Development Lot

Zoned Commercial Development Lot

V/L Versa Place, Shirley, NY 11967

$650,000

0.50 AC lot

Vacant J6-zoned site with approved plans to build a two-story retail/office building with elevator.

Commercial Land in Mastic, NY

Commercial Land in Mastic, NY

1287 Montauk Highway, Mastic, NY 11950

$749,500

0.31 AC lot

Commercial land near shopping center and residential neighborhoods.

Off-Market Properties in Mount Sinai, NY

Consider similar Off-Market properties in Mount Sinai, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

28 Country Rd

OFFICE BUILDING

28 Country Rd, Mount Sinai, NY 11766-1518

$2,400,000

Estimated value

0.95 AC lot

281 Rte 25a

PROFESSIONAL BUILDING

281 Rte 25a, Mount Sinai, NY 11766-2057

Value Estimation by Request

0.42 AC lot

Rte 25a

OFFICE BUILDING

Rte 25a, Mount Sinai, NY 11766

Value Estimation by Request

0.30 AC lot

5499-5505 Nesconset Hwy

Medical Office Space

5499-5505 Nesconset Hwy, Mount Sinai, NY 11766

Value Estimation by Request

131,396 sqft

12 Myrtle St

Medical Office Space

12 Myrtle St, Mount Sinai, NY 11766

Value Estimation by Request

87,000 sqft 8.54 AC lot

12 Myrtle St

Office Spaces

12 Myrtle St, Mount Sinai, NY 11766

Value Estimation by Request

88,000 sqft

Mount Sinai, NY Office Spaces Market Trends and Statistics

Explore 9 office spaces for sale in Mount Sinai, NY, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 262,000 square feet of properties for sale.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 11K

Population Growth (5Y) -7.5%

Median Household Income $157,564

College Educated 77.7%

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

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