Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Northampton, NY Office Properties & Spaces for Sale

    14 results
    List
    Map
    Affordable Office Building on Main
    $698,000
    2,000 SF

    Affordable Office Building on Main

    230 W Main Rd, Riverhead, NY 11901

    Two-story office building near transit-oriented development and local amenities.

    • Most affordable commercial building on Main St. Riverhead.
    • Versatile zoning permits office, retail, restaurants, and more.
    • Generate potential income by using part of the building and renting out the rest.
    • Close proximity to courts, restaurants, train, bus, riverfront parks, museums, and aquarium.
    • Contiguous lot available for sale to double yield.
    Updated: Oct 21, 2025
    View details
    Flanders Commercial Building with Income
    $1,100,000
    4,166 SF

    Flanders Commercial Building with Income

    715 Flanders Rd, Flanders, NY 11901

    High-visibility commercial building on a major Hamptons corridor.

    • Prime location on a major Hamptons corridor (Route 24) with high traffic and visibility.
    • New construction (built in 2017) zoned Village Business, offering a modern commercial space.
    • Versatile layout suitable for multiple rental incomes or owner‑user setup, with potential for three separate units.
    • Expansive on‑site parking and additional usable land for expansion or outdoor facilities.
    • Two spacious units with separate entrances, including a first floor ideal for commercial use and a second floor suitable for residential or office use.
    Updated: Oct 1, 2025
    View details
    Riverhead Commercial Building Near Courts
    $898,000
    3,000 SF

    Riverhead Commercial Building Near Courts

    3,000 sq ft commercial building near courts in Riverhead, NY.

    145 Griffing Ave, Riverhead, NY 11901
    View details
    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 Ave, Riverhead, NY 11901
    View details
    Two-Story Office Building on Main
    $698,000

    Two-Story Office Building on Main

    Affordable commercial building near transit-oriented development and various amenities.

    230 W Main Rd, Riverhead, NY 11901
    View details
    Renovated Office Complex on Route 25
    $2,200,000
    7,000 SF

    Renovated Office Complex on Route 25

    Two renovated office buildings totaling 7,000 SF on 2.52 acres.

    189 Rte 25/Main Rd, Riverhead, NY 11901
    View details
    Commercial Building on Route 58
    $6,980,000

    Commercial Building on Route 58

    11,000 sq ft commercial building on high-traffic Route 58.

    1725 Route 58, Riverhead, NY 11901
    View details
    Riverhead Commercial Land For Sale
    $775,000

    Riverhead Commercial Land For Sale

    Commercial property for sale or land lease in Riverhead, NY.

    25/58 Main Rd Rte, Riverhead, NY 11901
    View details
    Riverhead Commercial Building Near Courts
    $898,000

    Riverhead Commercial Building Near Courts

    3,000 sq ft commercial building near courts in Riverhead.

    145 Griffing Ave, Riverhead, NY 11901
    View details
    Medical Office Building on Old Country Road
    $1,575,000

    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
    Legal Mixed-Use Property For Sale
    $750,000

    Legal Mixed-Use Property For Sale

    Mixed-use property near Peconic Bay Medical Center.

    1228 Roanoke Ave, Riverhead, NY 11901
    View details
    Prime Aquebogue Office Building
    $1,650,000
    5,338 SF

    Prime Aquebogue Office Building

    1.5-Acre Office Building, High Income Potential

    508 Main Rd, Riverhead, NY 11901
    View details
    7 Bathrooms
    $2,095,000
    7,000 SF

    7 Bathrooms

    Gas Heat\/Hot Water

    Rd, Riverhead, NY 11901
    View details
    Riverhead Office Space Available
    Contact for pricing
    1,600 SF

    Riverhead Office Space Available

    Office space for sale in Riverhead, NY.

    420 Osborn Ave, Riverhead, NY 11901
    View details
    Based on your search, we've compiled 114 Potential Opportunities for your consideration. Besides 14 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 3 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.

    Westhampton Commercial Investment Opportunity
    $5,250,000
    13,000 SF

    Westhampton Commercial Investment Opportunity

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

    137 Montauk Hwy, West Hampton, NY 11977
    View details
    Westhampton Investment Opportunity For Sale
    $5,250,000

    Westhampton Investment Opportunity For Sale

    13000+/- sq ft, 100% occupied investment opportunity in Westhampton.

    137 Montauk Hwy, West Hampton, NY 11977
    View details
    Commercial Buildings on Route 25
    $1,450,000

    Commercial Buildings on Route 25

    Two commercial buildings on 0.95 acres in downtown Cutchogue.

    28785 Main Rd, Cutchogue, NY 11935
    View details
    Two Commercial Buildings on Route
    $1,450,000

    Two Commercial Buildings on Route

    Two commercial buildings on separate lots with prime exposure.

    28785 Main Rd, Cutchogue, NY 11935
    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.

    Commercial Land in High Traffic Area
    $775,000
    1.00 Acre

    Commercial Land in High Traffic Area

    Commercial land for sale or land lease in Riverhead, NY.

    25/58 Main Rd Rte, Riverhead, NY 11901
    View details
    Commercial Lot in Riverhead, NY
    $448,000
    0.16 Acres

    Commercial Lot in Riverhead, NY

    Vacant commercial lot suitable for various businesses and development.

    230 B W Main, Riverhead, NY 11901
    View details
    Riverhead Commercial Land For Sale
    $775,000

    Riverhead Commercial Land For Sale

    Commercial property for sale or land lease in Riverhead, NY.

    25/58 Main Rd Rte, Riverhead, NY 11901
    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
    110 Frg Rd

    110 Frg Rd

    OFFICE BUILDING • 126,936 SF
    Value Estimation
    $37,980,000
    110 Frg Rd, Riverhead, NY 11901
    View details
    700 Main Rd

    700 Main Rd

    OFFICE BUILDING • 1,144 SF
    Value Estimation by Request
    700 Main Rd, Riverhead, NY 11901-5705
    View details
    1186 Main St

    1186 Main St

    OFFICE BUILDING • 2,640 SF
    Value Estimation
    $570,000
    1186 Main St, Riverhead, NY 11901
    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
    20 Riverleigh Ave

    20 Riverleigh Ave

    OFFICE BUILDING • 4,410 SF
    Value Estimation
    $790,000
    20 Riverleigh Ave, Riverhead, NY 11901-3674
    View details
    632 Roanoke Ave

    632 Roanoke Ave

    PROFESSIONAL BUILDING • 2,271 SF
    Value Estimation by Request
    632 Roanoke Ave, Riverhead, NY 11901-2728
    View details
    840 County Rd

    840 County Rd

    Lifestyle centers • 11,000 SF
    Value Estimation by Request
    840 County Rd, Riverhead, NY 11901
    View details
    23 2nd St

    23 2nd St

    OFFICE BUILDING • 6,242 SF
    Value Estimation
    $1,125,000
    23 2nd St, Riverhead, NY 11901
    View details
    155 Flanders Rd

    155 Flanders Rd

    OFFICE BUILDING • 818 SF
    Value Estimation by Request
    155 Flanders Rd, Riverhead, NY 11901-3715
    View details

    Northampton, NY Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 107 office properties & spaces for sale in Northampton, NY, showcased through 14 active listings on our real estate platform. These investment opportunities span a total of 3,052,253 square feet of properties for sale, with an estimated market value of $67,660,000.

    Sale prices for office spaces in Northampton, NY start at $110,000, averaging $1,276,603, and reaching up to $21,610,000 — 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

    Browse Office properties & Spaces for Sale Near Northampton, NY

    Popular Searches in Northampton, NY

    Popular Categories

    Most Searched ZIP Codes in Northampton, NY

    • 11901

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!