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Sag Harbor, NY Office Buildings for Sale

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Southampton, NY Watermill, NY Bridgehampton, NY Shelter Island, NY Southold, NY East Hampton, NY Wainscott, NY Shelter Island Heights, NY
Historic Mixed-Use Building
Updated: Apr 24
Historic Mixed-Use Building

138 Main St, Sag Harbor, NY 11963

Contact for pricing
Early‑1900s two‑story building with a one‑story extension added in 1960
Second‑floor office tenants have short‑term leases
One‑story extension lease runs through May 2028
Apple Bank occupies a portion of the building
Private rear parking lot with direct access for tenants and visitors
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See what stands out in Suffolk County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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Based on your search, we've compiled 17 Potential Opportunities for your consideration. Besides 1 Active listings in Sag Harbor, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 11 Off-Market properties to explore as potential leads, plus 1 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 Private Offices
Office Building with Private Offices

225 Howell Avenue, Riverhead, NY 11901

$1,400,000
0.61 AC lot

Flexible professional workspace combines enclosed offices, collaborative areas, a conference room, kitchen, and on-site parking.

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Office Building with Surface Parking
Office Building with Surface Parking

97 N Sea Road, Southampton, NY 11968

Contact for pricing
6,015 sqft 1.25 AC lot

Four suites and three tenants occupy a fully leased office property near Southampton Village.

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Fully Leased Office Complex
Fully Leased Office Complex

518-526 E Main St, Riverhead, NY 11901

$5,250,000

Three-building property with professional suites and on-site parking near downtown attractions.

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Remodeled Office Building
Remodeled Office Building

223 Hampton Rd, Southampton, NY 11968

Contact for pricing
13.50 AC lot

Vacant, remodeled property offers finished basement space, hardwood floors, multiple entrances, parking, and central AC.

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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.

Industrial Land with Extensive Frontage
Industrial Land with Extensive Frontage

267 Waterford Parkway N, Waterford, CT 06385

$1,250,000
68.00 AC lot

I-G-zoned land with public water and sewer available for industrial and commercial uses.

View details

Off-Market Properties in Sag Harbor, NY

Consider similar Off-Market properties in Sag Harbor, 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.

7 Spg St
OFFICE BUILDING

7 Spg St, Sag Harbor, NY 11963-3017

$340,000
Estimated value
1,398 sqft 0.11 AC lot
View details
3350 Noyac Rd
OFFICE BUILDING

3350 Noyac Rd, Sag Harbor, NY 11963

$855,000
Estimated value
4,334 sqft 0.92 AC lot
View details
3297 Noyac Rd
OFFICE BUILDING

3297 Noyac Rd, Sag Harbor, NY 11963-1942

$310,000
Estimated value
2,849 sqft 0.31 AC lot
View details
3330 Noyac Rd
PROFESSIONAL BUILDING

3330 Noyac Rd, Sag Harbor, NY 11963-1930

$3,080,000
Estimated value
10,571 sqft 2.00 AC lot
View details
155 Main St
OFFICE BUILDING

155 Main St, Sag Harbor, NY 11963-3014

$565,000
Estimated value
2,544 sqft 0.16 AC lot
View details
3334 Noyac Rd
OFFICE BUILDING

3334 Noyac Rd, Sag Harbor, NY 11963-1933

$1,005,000
Estimated value
3,960 sqft 0.21 AC lot
View details
21 Long Is Ave
OFFICE BUILDING

21 Long Is Ave, Sag Harbor, NY 11963-4600

$1,630,000
Estimated value
6,486 sqft 0.55 AC lot
View details
335 Fry Rd
OFFICE BUILDING

335 Fry Rd, Sag Harbor, NY 11963-1027

$545,000
Estimated value
2,448 sqft 22.80 AC lot
View details
28 Division St
OFFICE BUILDING

28 Division St, Sag Harbor, NY 11963

$305,000
Estimated value
0.01 AC lot
View details
51 Bay St
OFFICE BUILDING

51 Bay St, Sag Harbor, NY 11963-3166

$305,000
Estimated value
0.19 AC lot
View details
33 Bay St
OFFICE BUILDING

33 Bay St, Sag Harbor, NY 11963-3166

$300,000
Estimated value
0.53 AC lot
View details

Sag Harbor, NY Office Buildings Market Trends and Statistics

Explore 12 office buildings for sale in Sag Harbor, NY on our real estate platform.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Office Units 5
Office buildings 1

Demographics Overview

Population 8,114
Population Growth (5Y) +9.2%
Median Household Income $126,513
College Educated 83.5%

Taxes & Financing

Tax Rate (average for all types) 0.95%
Property Tax per SF $8.84 per SF
Tax Rate vs County Average 0.02 pp below county avg
Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

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