Realmo

Buy
- For Sale
- Post a Listing
Property Types
- Retail
- Office
  
  Medical Premises
- Land
  
  Residential
  
  Commercial
  
  Waterfront
- Agricultural
  
  Farms
- Specialty
  
  Nursery
Rent
- For Lease
- Post a Listing
Space Uses
Analytics
- Realmo Analytics
- Ownership Records
- Contacts
- Mortgages
- Value Estimation
- Cap Rate
- Zoning Insight
- Location Intelligence
- Business Placement
- Recently Sold
- Off-Market Leads

Advertise Sign In

For Sale
- Retail
- Office
  - Medical Premises
- Land
  - Residential
  - Commercial
  - Waterfront
- Agricultural
  - Farms
- Specialty
  - Nursery
For Lease
Realmo Analytics
Ownership Records
Contacts
Mortgages
Value Estimation
Cap Rate
Zoning Insight
Location Intelligence
Business Placement
Recently Sold
Off-Market Leads
Advertise
Find Brokers

Mount Sinai, NY

Office

Mount Sinai, NY Office Spaces for Sale

List

Map

Brookhaven, NY Port Jefferson, NY Miller Place, NY Strongs Neck, NY Middle Island, NY Rocky Point, NY Coram, NY Stonybrook, 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.

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 16 Potential Opportunities for your consideration. Besides 2 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.

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.

Two-Level Office Building

Two-Level Office Building

903 Main Street, Port Jefferson, NY 11777

Contact for pricing

Private suites combine natural light, hardwood floors, storage, and dedicated mini-split air-conditioning.

Built Medical Office Endcap

Built Medical Office Endcap

102 Main Street, Port Jefferson Station, NY 11776

Contact for pricing

Turnkey medical buildout with multiple exam rooms, lead-lined x-ray room, and large windows for patient-focused use.

Office

Office

111 N Country Rd, Port Jefferson, NY 11777

Contact for pricing

5,000 sqft

Office buildings · 5,000 SF

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.

J-2 Zoned Commercial Land

J-2 Zoned Commercial Land

N Country Roads, Rocky Point, NY

$390,000

0.41 AC lot

Commercial land in Rocky Point with J-2 zoning and potential for office, retail, workshop, and automotive-oriented uses.

Commercial Land Along Highway

Commercial Land Along Highway

1467 Montauk Highway, Mastic, NY 11950

$950,000

0.55 AC lot

Vacant commercial parcel with water available and public sewer.

Commercial Land with Build-to-Suit Plan

Commercial Land with Build-to-Suit Plan

34-41 Montauk Highway, East Moriches, NY 11940

$1,289,000

1.45 AC lot

Comm-zoned parcel with septic tank service and a proposed two-building commercial development concept.

Jamesport Commercial Land Opportunity

Jamesport Commercial Land Opportunity

1578 Main Rd, Jamesport, NY 11901

$1,250,000

1.36 AC lot

1.36-acre commercial parcel in Jamesport with development potential.

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

Estimated value:

$2,400,000

0.95 AC lot

281 Rte 25a

PROFESSIONAL BUILDING

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

Estimated value:

$295,000

0.42 AC lot

Rte 25a

OFFICE BUILDING

Rte 25a, Mount Sinai, NY 11766

Estimated value:

$290,000

0.30 AC lot

5499-5505 Nesconset Hwy

Medical Office Space

5499-5505 Nesconset Hwy, Mount Sinai, NY 11766

Estimated value:

No data

131,396 sqft

12 Myrtle St

Medical Office Space

12 Myrtle St, Mount Sinai, NY 11766

Estimated value:

No data

87,000 sqft 8.54 AC lot

12 Myrtle St

Office Spaces

12 Myrtle St, Mount Sinai, NY 11766

Estimated value:

No data

88,000 sqft

Mount Sinai, NY Office Spaces Market Trends and Statistics

Explore 8 office spaces for sale in Mount Sinai, NY on our real estate platform. These investment opportunities span a total of 175,000 square feet of properties for sale.

List

Map

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)

Need Help?

Reach out if you need assistance with Realmo tools or have questions about your listings

Contact Us