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    Northampton, NY Office Properties & Spaces for Sale

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    11 results
    Medical/Office Building in Riverhead
    $750,000
    0.22 Acres

    Medical/Office Building in Riverhead

    976 Roanoke Avenue, Riverhead, NY 11901

    Professional building suitable for medical, wellness, or general office use.

    • Prime location on Roanoke Avenue with high visibility and strong traffic exposure, near Peconic Bay Medical Center and Route 58 retail corridor.
    • Ideal for medical or professional office use with multiple exam/treatment rooms, reception area potential, and flexible floor plan.
    • Generous 9,500+ SF lot with on‑site parking, private driveway, and expansion potential.
    • Easy access to major roadways including Long Island Expressway (I‑495).
    • Central air conditioning and ADA adaptability potential.
    Updated: Apr 16
    View details
    Riverhead Commercial Property For Sale
    $3,990,000
    1.75 Acres

    Riverhead Commercial Property For Sale

    3225 Sound Ave, Riverhead, NY 11901

    Multi-unit commercial property in Long Island's North Fork wine corridor.

    • Multi‑unit commercial property in Long Island's North Fork wine and agricultural corridor.
    • Includes a fully operating 90‑seat restaurant and a fully operational bar.
    • Features 3 additional retail/office units.
    • Situated on approximately 1.75 acres.
    • Offers ample parking with 2 separate parking lots.
    Updated: Apr 16
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    Riverhead Commercial Property For Sale
    $3,999,000
    1.75 Acres

    Riverhead Commercial Property For Sale

    Multi-unit commercial property in Long Island's North Fork wine corridor.

    3225 Sound Avenue, Riverhead, NY 11901
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    Medical/Office Building on Roanoke Avenue
    $750,000
    1,452 SF

    Medical/Office Building on Roanoke Avenue

    Professional building suitable for medical, wellness, or general office use.

    976 Roanoke Ave, Riverhead, NY 11901
    View details
    Riverhead Office Building For Sale
    $650,000
    2,437 SF

    Riverhead Office Building For Sale

    Two-story office building in downtown Riverhead with parking.

    211 Roanoke Ave, Riverhead, NY 11901
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    Medical Office Building on Old Country Road
    $1,575,000
    3,446 SF

    Medical Office Building on Old Country Road

    Two-unit medical office building in Riverhead, ideal for owner/user.

    1190 Old Country Rd, Riverhead, NY 11901
    View details
    Subdividable Commercial Land For Sale
    $7,950,000
    10,000 SF

    Subdividable Commercial Land For Sale

    8 acres of subdividable commercial land in Riverhead, NY.

    845 Raynor Ave, Riverhead, NY 11901
    View details
    Renovated Office Building in Riverhead
    $1,195,000

    Renovated Office Building in Riverhead

    Professional office building in historic Riverhead district, renovated in 2017.

    21 E Second Street, Riverhead, NY 11901
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    Riverhead Commercial Building Investment Opportunity
    $6,950,000
    26,235 SF

    Riverhead Commercial Building Investment Opportunity

    26,235 SF office building with credit tenant in place.

    33 W 2nd St, Riverhead, NY 11901
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    Riverhead Office Space Available
    $550,000
    1,600 SF

    Riverhead Office Space Available

    Office space for sale in Riverhead, NY.

    420 Osborn Ave, Riverhead, NY
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    Commercial Land for Sale/Lease
    $775,000
    0.91 Acres

    Commercial Land for Sale/Lease

    Commercial property or land lease opportunity in high-traffic area.

    Main Rd, Riverhead, NY 11901
    View details
    Based on your search, we've compiled 112 Potential Opportunities for your consideration. Besides 11 Active listings in Northampton, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 93 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

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

    Renovated Office Space in Eastport
    Contact for pricing

    Renovated Office Space in Eastport

    2,000 sq ft renovated office space in Eastport, NY.

    500 Montauk Highway, Eastport, NY 11941
    View details
    Renovated Office Space in Eastport
    Contact for pricing
    2,000 SF

    Renovated Office Space in Eastport

    2,000 sq. ft. renovated office space in Eastport.

    500 Montauk Hwy, Eastport, NY 11941
    View details
    Westhampton Commercial Investment Opportunity
    $5,250,000
    1.00 Acre

    Westhampton Commercial Investment Opportunity

    13000+/- sq ft, 100% occupied commercial property for sale.

    West Hampton, NY 11977
    View details
    Westhampton Investment Opportunity
    $5,275,000
    13,000 SF

    Westhampton Investment Opportunity

    13,000+/- sq ft mixed-use property in Westhampton, NY.

    West Hampton, NY 11977
    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.

    Prime Development Land on Route 25
    $435,000

    Prime Development Land on Route 25

    0.92 acre parcel zoned for diverse commercial uses.

    1124 W Main St, Riverhead, NY 11901
    View details
    Jamesport Commercial Land Opportunity
    $1,250,000

    Jamesport Commercial Land Opportunity

    1.36-acre commercial parcel in Jamesport with development potential.

    1578 Main Rd, Jamesport, NY 11901
    View details
    East Moriches Commercial Land Parcel
    $1,289,000
    1.45 Acres

    East Moriches Commercial Land Parcel

    1.45 acre commercial land with permits pending for wellness space.

    34-41 Montauk Highway, East Moriches, NY 11940
    View details
    Mattituck Land For Sale
    $2,075,000
    2.38 Acres

    Mattituck Land For Sale

    Prime development parcel in Mattituck's business district.

    385 New Suffolk Avenue, Mattituck, NY 11952
    View details

    Explore Off-Market Properties in Northampton, NY

    Consider similar Off-Market properties in Northampton, 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.

    100 Ctr Dr

    100 Ctr Dr

    OFFICE BUILDING • 223,108 SF
    Value Estimation by Request
    100 Ctr Dr, Riverhead, NY 11901-3307
    View details
    33 2nd St

    33 2nd St

    PROFESSIONAL BUILDING • 10,229 SF
    Value Estimation
    $3,025,000
    33 2nd St, Riverhead, NY 11901-2701
    View details
    212 Main St

    212 Main St

    OFFICE BUILDING • 4,126 SF
    Value Estimation
    $965,000
    212 Main St, Riverhead, NY 11901-2841
    View details
    46 2nd St

    46 2nd St

    OFFICE BUILDING • 8,894 SF
    Value Estimation by Request
    46 2nd St, Riverhead, NY 11901
    View details
    633 Main St

    633 Main St

    OFFICE BUILDING • 2,596 SF
    Value Estimation by Request
    633 Main St, Riverhead, NY 11901-7013
    View details
    1267 Main St

    1267 Main St

    PROFESSIONAL BUILDING • 8,808 SF
    Value Estimation
    $3,180,000
    1267 Main St, Riverhead, NY 11901-2676
    View details
    130 Ostrander Ave

    130 Ostrander Ave

    PROFESSIONAL BUILDING • 1,248 SF
    Value Estimation by Request
    130 Ostrander Ave, Riverhead, NY 11901-4642
    View details
    11-15 2nd St

    11-15 2nd St

    PROFESSIONAL BUILDING • 1,311 SF
    Value Estimation by Request
    11-15 2nd St, Riverhead, NY 11901
    View details
    246 Main St

    246 Main St

    PROFESSIONAL BUILDING • 2,812 SF
    Value Estimation
    $725,000
    246 Main St, Riverhead, NY 11901-2841
    View details
    244 Old Country Rd

    244 Old Country Rd

    OFFICE BUILDING • 10,000 SF
    Value Estimation
    $1,870,000
    244 Old Country Rd, Riverhead, NY 11901-2126
    View details
    400 Ostrander Ave

    400 Ostrander Ave

    OFFICE BUILDING • 5,765 SF
    Value Estimation
    $1,110,000
    400 Ostrander Ave, Riverhead, NY 11901-4614
    View details
    737 Roanoke Ave

    737 Roanoke Ave

    PROFESSIONAL BUILDING • 0.50 Acres
    Value Estimation
    $600,000
    737 Roanoke Ave, Riverhead, NY 11901-2729
    View details
    1224 Ostrander Ave

    1224 Ostrander Ave

    PROFESSIONAL BUILDING • 6,912 SF
    Value Estimation
    $2,780,000
    1224 Ostrander Ave, Riverhead, NY 11901-2109
    View details

    Northampton, NY Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 104 office properties & spaces for sale in Northampton, NY, showcased through 11 active listings on our real estate platform. These investment opportunities span a total of 45,170 square feet of properties for sale, with an estimated market value of $18,425,000.

    Sale prices for office spaces in Northampton, NY start at $550,000, averaging $3,070,833, and reaching up to $7,950,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Leading Commercial Asset Segments

    Office Units 18
    Medical Office Space 5
    Office buildings 4
    Coworking space 1

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