Sign Up Successful!
You now have access to more from Realmo!
    For Lease
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Restaurant
    • Office
    • Coworking
    • Medical Space
    • Automotive
    • Industrial
    • Warehouse
    • Flex
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Port Jefferson, NY Office Properties & Spaces for Lease

    10 results
    List
    Map
    Port Jefferson Corner Office Suite
    $1,075 / Mo

    Port Jefferson Corner Office Suite

    903 Main St Unit, Port Jefferson, NY 11777

    Second-floor office suite in historic Port Jefferson Village with parking.

    • Prime location in historic Port Jefferson Village.
    • Dedicated parking included.
    • Excellent natural light and original hardwood floors.
    • Private office suite with ample closet storage.
    • Dedicated wall‑mounted Central Air unit.
    Updated: Jan 12
    View details
    Port Jefferson Village Office Space
    $1,500 / Mo
    28,750 SF

    Port Jefferson Village Office Space

    646 Main St, Port Jefferson, NY 11777

    Turnkey, furnished office space in the heart of Port Jefferson.

    • Turnkey, fully furnished office space (approx. 250 sf) with waiting room (approx. 320 sf).
    • Prime location in the heart of Port Jefferson Village.
    • Includes essential utilities: WiFi, heat, and central air conditioning.
    • Ample and free parking available.
    • Handicapped accessible.
    Updated: Nov 16, 2025
    View details
    Remodeled Office Space Available
    $1,250 / Mo
    600 SF

    Remodeled Office Space Available

    Newly remodeled, bright 600 sq ft office space for rent.

    1430 Hallock Ave, Port Jefferson, NY 11776
    View details
    Port Jefferson Office Space Available
    $25 SF/Yr
    225 SF

    Port Jefferson Office Space Available

    Office space available for lease in Port Jefferson, NY.

    1000 Main St, Port Jefferson, NY 11777
    View details
    Port Jefferson Office Space Available
    $21 SF/Yr
    1,700 SF

    Port Jefferson Office Space Available

    Office space available for rent in Port Jefferson, NY.

    306-308 Main St, Port Jefferson, NY 11777
    View details
    Port Jefferson Village Office Space
    $1,500 / Mo

    Port Jefferson Village Office Space

    Turnkey office space in the heart of Port Jefferson Village.

    646 Main St Unit, Port Jefferson, NY 11777
    View details
    Port Jefferson Office Space Available
    Contact for pricing
    650 SF

    Port Jefferson Office Space Available

    650 square feet office space for rent in Port Jefferson.

    625 Belle Terre Rd, Port Jefferson, NY 11777
    View details
    Prime Corner Office in Village
    $2,400 / Mo

    Prime Corner Office in Village

    Two-room office suite in vibrant Port Jefferson Village.

    301 E Main St, Port Jefferson, NY 11777
    View details
    Port Jefferson Office Space Available
    Contact for pricing
    1,680 SF

    Port Jefferson Office Space Available

    Office space available for rent in Port Jefferson, NY.

    414 Main St, Port Jefferson, NY 11777
    View details
    Port Jefferson Office Space Available
    $20 SF/Yr
    3,400 SF

    Port Jefferson Office Space Available

    Office space available for rent in Port Jefferson, NY.

    1609-1615 Main St, Port Jefferson, NY 11777
    View details
    Based on your search, we've compiled 16 Potential Opportunities for your consideration. Besides 10 Active listings in Port Jefferson, NY, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 2 Properties for Sales.

    Explore Office Properties & Spaces for Lease in Nearby Cities

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

    Medical Office with X-Ray Room
    $25 SF/Yr
    5,000 SF

    Medical Office with X-Ray Room

    Medical office space featuring exam rooms and an X-Ray room.

    102 Main St, Port Jefferson Station, NY 11777
    View details
    Port Jefferson Station Office Space
    $1,800 / Mo
    900 SF

    Port Jefferson Station Office Space

    Office space for rent with ample parking and close to LIRR.

    200 Wilson St, Port Jefferson Station, NY 11776
    View details
    Prime Mount Sinai Office Suites
    $24 SF/Yr
    15,000 SF

    Prime Mount Sinai Office Suites

    Executive suites, 770-1310 sq ft available

    28 Country Rd, Mount Sinai, NY 11766
    View details
    Mt. Sinai Office Park Investment
    Contact for pricing
    88,000 SF

    Mt. Sinai Office Park Investment

    88,000 SF Office/Retail Space Available

    12 Myrtle St, Mount Sinai, NY 11766
    View details

    Explore Similar Spaces for Sale in Port Jefferson, NY

    Consider Similar Space for Sale. We found 2 Spaces in Nearby Locations matching your search parameters.

    Professional Office Building For Sale
    $799,000
    5,000 SF

    Professional Office Building For Sale

    Well-maintained 5,000 SF office building in Port Jefferson, NY.

    111 N Country Rd, Port Jefferson, NY 11777
    View details
    Port Jefferson Office Building
    $899,000
    5,000 SF

    Port Jefferson Office Building

    Prime Office Investment, 5,000 SF

    111 Country Rd, Port Jefferson, NY 11777
    View details

    Port Jefferson, NY Office Properties & Spaces Leasing Opportunities Market Analysis

    Explore Office Properties & Spaces leasing options in Port Jefferson, NY with 12 listings featured on our commercial real estate exchange. The current inventory includes 1,510,425,559 square feet of properties with an estimated lease value of $72 SF/Yr.

    Estimated lease rates for Office Properties & Spaces in Port Jefferson, NY begin at $0.63 SF/Yr, with an average of $14 SF/Yr and extend to $25 SF/Yr.
    List
    Map

    Browse Office Properties & Spaces for Lease Near Port Jefferson, NY

    Popular Searches in Port Jefferson, NY

    Most Searched ZIP Codes in Port Jefferson, NY

    • 11777
    • 11776

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Create New Password
    • At least 8 characters
    • Contains both letters and numbers
    • Contains uppercase and lowercase letters
    • At most 32 characters
    • Password required
    • Password reset link has expired. Please request a new one.