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    Northampton, NY Office Spaces for Sale

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    Renovated Mixed-Use Property with Apartment
    Updated: Sep 1
    Renovated Mixed-Use Property with Apartment

    1228 Roanoke Avenue, Riverhead, NY 11901

    $725,000
    0.21 AC lot
    Renovated mixed‑use building with professional office areas and a legal one‑bedroom apartment
    Professional Business zoning; residential conversion may be possible with proper permits
    Upper‑level apartment includes a separate entrance, hardwood floors, stainless appliances, central air, and natural gas heat
    0.21‑acre parcel with detached garage plus driveway, off‑street, parking lot, and street parking
    Full basement provides clean, dry storage space
    View details
    Office Building with Private Offices
    Updated: Sep 2
    Office Building with Private Offices

    225 Howell Avenue, Riverhead, NY 11901

    $1,400,000
    0.61 AC lot
    Eight private offices plus an open cubicle area
    Conference room and full kitchen
    Twenty plus on‑site parking spots
    0.61‑acre site at 225 Howell Avenue
    Brick building constructed in 1962
    View details
    Medical Office Building with Parking
    Medical Office Building with Parking

    976 Roanoke Avenue, Riverhead, NY 11901

    $699,007
    0.22 AC lot

    Flexible professional layout includes treatment rooms, private offices, two bathrooms, and central air conditioning.

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    Office Building with Private Offices
    Office Building with Private Offices

    225 Howell Ave, Riverhead, NY 11901

    $1,400,000
    5,000 sqft

    DC-3 zoning accompanies a move-in-ready layout for professional and administrative operations.

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    NNN Office Investment Property
    NNN Office Investment Property

    33 W 2nd St, Riverhead, NY 11901

    $6,495,000
    26,235 sqft

    Single-tenant office asset with a new long-term NNN lease and elevator access.

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    Renovated Mixed-Use Property with Loft
    Renovated Mixed-Use Property with Loft

    1550 Main Road, Riverhead, NY 11901

    $825,000
    0.12 AC lot

    Renovated storefront and residence with private parking, unfinished loft space, and flexible live-work potential.

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    Historic Mixed-Use Building
    Historic Mixed-Use Building

    218 Griffing Avenue, Riverhead, NY 11901

    $625,000
    0.21 AC lot

    Two-level property with office and residential use history, rear parking, detached garage, and public water and sewer.

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    Renovated Two-Unit Medical Office Building
    Renovated Two-Unit Medical Office Building

    1190 Old Country Rd, Riverhead, NY 11901

    $1,475,000
    3,446 sqft

    Renovated two-unit medical office building with strong income potential and 100% occupancy.

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    Mixed-Use Building with Retail
    Mixed-Use Building with Retail

    71 E MAIN ST, Riverhead, NY 11901

    Contact for pricing
    14,990 sqft 0.21 AC lot

    Ground-floor retail is combined with second-floor office space that may support residential conversion.

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    Renovated Live-Work Building
    Renovated Live-Work Building

    1228 Roanoke Ave, Riverhead, NY 11901

    $725,000

    Professional Business zoning supports office use with a separate residential apartment above.

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    Subdividable Commercial Land For Sale
    Subdividable Commercial Land For Sale

    845 Raynor Ave, Riverhead, NY 11901

    Contact for pricing
    10,000 sqft 8.00 AC lot

    8 acres of subdividable commercial land in Riverhead, NY.

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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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    7-Unit Office Complex
    7-Unit Office Complex

    526 E Main Street Unit #518, Riverhead, NY 11901

    $5,250,000

    Fully leased office complex with three buildings, convenient downtown access, and 95 parking spaces.

    View details
    Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 13 Active listings in Northampton, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 59 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.

    Freestanding Office Building with HB Zoning
    Freestanding Office Building with HB Zoning

    2036 County Rd 39, Southampton, NY 11968

    $2,750,000

    Two entrances and adaptable interior areas support either single-user or multi-tenant occupancy.

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    Flex Space with Warehouse Capacity
    Flex Space with Warehouse Capacity

    1625 County Rd 39, Southampton, NY 11968

    $5,995,000

    Flexible commercial building combines finished offices with multi-bay warehouse space and drive-around site circulation.

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    Office/Retail Lot on Route 25
    Office/Retail Lot on Route 25

    Panamoka, NY 11961

    Contact for pricing

    0.67 acre lot with approved plans for office/retail.

    View details
    Commercial Lot on Route 25
    Commercial Lot on Route 25

    Panamoka, NY 11961

    Contact for pricing
    0.67 AC lot

    0.67 acre lot with approved office/retail plans.

    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.

    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.

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    HB-Zoned Commercial Land
    HB-Zoned Commercial Land

    385 New Suffolk Avenue, Mattituck, NY 11952

    $2,075,000
    2.38 AC lot

    Mattituck business-district parcel with commercial, residential, and mixed-use development possibilities.

    View details
    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.

    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

    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
    OFFICE BUILDING

    100 Ctr Dr, Riverhead, NY 11901-3307

    Estimated value: by Request
    223,108 sqft 82.70 AC lot
    View details
    33 2nd St
    PROFESSIONAL BUILDING

    33 2nd St, Riverhead, NY 11901-2701

    Estimated value:
    $360,000
    10,229 sqft 0.31 AC lot
    View details
    212 Main St
    OFFICE BUILDING

    212 Main St, Riverhead, NY 11901-2841

    Estimated value:
    $1,000,000
    4,126 sqft 0.25 AC lot
    View details
    46 2nd St
    OFFICE BUILDING

    46 2nd St, Riverhead, NY 11901

    Estimated value:
    $21,610,000
    8,894 sqft 4.20 AC lot
    View details
    633 Main St
    OFFICE BUILDING

    633 Main St, Riverhead, NY 11901-7013

    Estimated value:
    $315,000
    2,596 sqft 0.63 AC lot
    View details
    1267 Main St
    PROFESSIONAL BUILDING

    1267 Main St, Riverhead, NY 11901-2676

    Estimated value:
    $3,565,000
    8,808 sqft 1.56 AC lot
    View details
    130 Ostrander Ave
    PROFESSIONAL BUILDING

    130 Ostrander Ave, Riverhead, NY 11901-4642

    Estimated value:
    $255,000
    1,248 sqft 0.26 AC lot
    View details
    11-15 2nd St
    PROFESSIONAL BUILDING

    11-15 2nd St, Riverhead, NY 11901

    Estimated value:
    $505,000
    1,311 sqft 0.20 AC lot
    View details
    246 Main St
    PROFESSIONAL BUILDING

    246 Main St, Riverhead, NY 11901-2841

    Estimated value:
    $765,000
    2,812 sqft 0.22 AC lot
    View details
    244 Old Country Rd
    OFFICE BUILDING

    244 Old Country Rd, Riverhead, NY 11901-2126

    Estimated value:
    $1,960,000
    10,000 sqft 1.50 AC lot
    View details
    400 Ostrander Ave
    OFFICE BUILDING

    400 Ostrander Ave, Riverhead, NY 11901-4614

    Estimated value:
    $1,110,000
    5,765 sqft 0.73 AC lot
    View details

    Northampton, NY Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Northampton, NY, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 59,671 square feet of properties for sale, with an estimated market value of $24,869,007.

    Sale prices for office spaces in Northampton, NY start at $625,000, averaging $2,260,818, and reaching up to $6,495,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 16
    Office buildings 11
    Medical Office Space 4
    Coworking space 2

    Demographics Overview

    Population 4,093
    Population Growth (5Y) -2.2%
    Median Household Income $70,938
    College Educated 36.0%

    Listings Trend

    New vs delisted commercial listings in Suffolk County

    New Delisted

    Total CRE Inventory on Market (SF)

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