Building

Mount Sinai, NY Office Buildings for Sale

Notify Me
List
Map
Brookhaven, NY Port Jefferson, NY Miller Place, NY Strongs Neck, NY Middle Island, NY Rocky Point, NY Coram, NY Stonybrook, NY
Freestanding Office Building
Updated: Oct 13
Freestanding Office Building

365 Route 25A, Mount Sinai, NY 11766

$1,699,000
0.14 AC lot
Approximately 2,152 sq. ft. freestanding brick office building
0.14‑acre parcel
Approximately 60 feet of frontage on Route 25A
On‑site lot with 10 marked parking spaces
J‑2 (Neighborhood Business) zoning
View details
Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 1 Active listings in Mount Sinai, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 3 Off-Market properties to explore as potential leads, plus 3 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 Parking
Medical Office Building with Parking

Stonybrook, NY 11790

Contact for pricing
11,000 sqft 39.00 AC lot

Located on County Road 97 near Stony Brook University and Stony Brook University Hospital, with B1-Residence zoning.

View details
School Facility with Administrative Space
School Facility with Administrative Space

Stonybrook, NY 11790

Contact for pricing
73,990 sqft 20.04 AC lot

B1-zoned property with substantial land area and connections to established academic and medical destinations.

View details
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.

View details
Renovated Office Building
Renovated Office Building

311 Barnum Avenue, Port Jefferson, NY 11777

Contact for pricing

Renovated office property with private parking, storage, and a flexible professional layout.

View details

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.

View details
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.

View details
Commercial Land Across From Apartments
Commercial Land Across From Apartments

770 N Broadway, Amityville, NY 11701

$1,999,990
0.95 AC lot

E Business zoning with public water and public sewer serves the commercial parcel.

View details

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
View details
281 Rte 25a
PROFESSIONAL BUILDING

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

Estimated value:
$295,000
0.42 AC lot
View details
Rte 25a
OFFICE BUILDING

Rte 25a, Mount Sinai, NY 11766

Estimated value:
$290,000
0.30 AC lot
View details

Mount Sinai, NY Office Buildings Market Trends and Statistics

Explore 4 office buildings for sale in Mount Sinai, NY on our real estate platform.

Sale prices for commercial office buildings in Mount Sinai, NY average $1,699,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

List
Map

Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Medical Office Space 3
Office buildings 1
Office Units 1

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

Why this one?
Saved
Reason not saved — we won't ask again