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    Port Jefferson, NY Office Spaces for Lease

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    Coram, NY Mt Sinai, NY Selden, NY East Setauket, NY South Setauket, NY Miller Place, NY Stonybrook, NY Smithtown, NY
    10 properties
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    Office Units with Basement Storage
    Updated: Aug 19
    Office Units with Basement Storage

    907 Main Street, Port Jefferson, NY 11777

    $5,000/Mo
    2,400 sq ft of office space across the 1st and 2nd floors
    1,000 sq ft of unfinished basement storage
    Kitchenette and 3 bathrooms included
    Central air conditioning and forced‑air heating
    Frame construction with vinyl siding
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    Second-Floor Office Suite
    Updated: May 22
    Second-Floor Office Suite

    903 Main Street, Port Jefferson, NY 11777

    $825/Mo
    0.75 AC lot
    Private second‑floor office suite in Raynor House
    Front‑of‑building position with natural light
    Original hardwood flooring and closet storage
    Dedicated wall‑mounted mini‑split A/C unit
    Parking included
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    Configured Office Units with Conference Room
    Configured Office Units with Conference Room

    907 Main Street, Port Jefferson, NY 11777

    $4,350/Mo

    Corner office space offers private rooms, flexible open workspace, meeting facilities, and a kitchenette.

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    First-Floor Office Unit
    First-Floor Office Unit

    1000 Main Street #1st Floor Ste 2D, Port Jefferson, NY 11777

    $28 SF/Yr
    511 sqft

    Open layout, natural light, and high ceilings support a professional workspace.

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    Office Unit Near Hospitals
    Office Unit Near Hospitals

    640 Belle Terre Road unit E-3, Port Jefferson, NY 11777

    $900/Mo

    Office space offers access to nearby hospitals and rail service, with major roadway connections.

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    Second-Floor Private Office Suite
    Second-Floor Private Office Suite

    903 Main St 203, Port Jefferson, NY 11777

    $825/Mo

    Bright second-floor office with original hardwood floors, dedicated A/C, and included parking in Port Jefferson Village.

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    Second-Floor Office Suite
    Second-Floor Office Suite

    203-903 Main St, Port Jefferson, NY 11777

    $825/Mo

    Bright front-of-building second-floor office suite with original hardwood floors, closet storage, and mini-split A/C, with parking included.

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    Renovated Spa & Wellness Space
    Renovated Spa & Wellness Space

    B-59 Nesconset Hwy, Port Jefferson Station, NY 11776

    $1,000/Mo

    First-floor private or shared space with treatment furnishings, storage, sink, bathroom access, parking, and included utilities.

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    End-Cap Medical Office with Large Windows
    End-Cap Medical Office with Large Windows

    102 Main St, Port Jefferson Station, NY 11776

    Contact for pricing
    5,000 sqft

    Built medical office end-cap with large windows, seven exam rooms, lead-lined x-ray room, and ample parking.

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    Prime Office Space Available
    Prime Office Space Available

    Prt Jefferson Station, NY

    Contact for pricing
    8,500 sqft 1.62 AC lot

    Office space for rent with ample parking and frontage.

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    Based on your search, we've compiled 27 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 9 Properties for Sales.

    Office Spaces for Lease in Nearby Cities

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

    Mount Sinai Office Space Available
    Mount Sinai Office Space Available

    Portview Building - 28 N. Country Road, Mount Sinai, NY 11766

    $14.50 SF/Yr

    Office space for rent near Port Jefferson Village.

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    Second-Floor Office Units
    Second-Floor Office Units

    5505 Nesconset Highway, Mt Sinai, NY 11766

    Contact for pricing

    Layouts are adaptable for professional, service, wellness, and specialty uses.

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    Retail and Medical Office Space
    Retail and Medical Office Space

    2 Myrtle St, Mt Sinai, NY

    Contact for pricing
    42,800 sqft 0.46 AC lot

    Planned development with retail, medical office, and luxury rentals.

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    Retail Center with Second-Floor Offices
    Retail Center with Second-Floor Offices

    5505-5507 Nesconset Highway, Mount Sinai, NY 11766

    Contact for pricing
    45,409 sqft

    Shopping center with a second-floor office component and a healthy on-site tenant mix.

    View details

    Similar Spaces for Sale in Port Jefferson, NY

    Consider Similar Space for Sale. We found 9 Spaces matching your search parameters.

    Mixed-Use Retail/Office Building
    Mixed-Use Retail/Office Building

    228 East Main Street, Port Jefferson, NY 11777

    $1,849,000
    8,535 sqft

    Historic commercial space along Port Jefferson’s East Main Street corridor.

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    Port Jefferson Station Industrial Building
    Port Jefferson Station Industrial Building

    507 North Bicycle Path, Port Jefferson Station, NY 11776

    $2,495,000
    7,176 sqft

    6,980 SF industrial building with conversion potential.

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    Medical Office Building with On-Site MRI
    Medical Office Building with On-Site MRI

    5 MEDICAL DR, Port Jefferson Station, NY 11776

    Contact for pricing
    4,000 sqft

    Tenanted neurology practice includes an on-site MRI and benefits from proximity to major regional hospitals.

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    Net-Leased Medical Office Asset
    Net-Leased Medical Office Asset

    492 Old Town Rd, Port Jefferson Station, NY 11776

    Contact for pricing
    5,000 sqft

    Single-tenant medical office with predictable cash flow and rent growth.

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    Built Medical Office Endcap
    Built Medical Office Endcap

    102 Main Street, Port Jefferson Station, NY 11776

    Contact for pricing

    Turnkey medical buildout with multiple exam rooms, lead-lined x-ray room, and large windows for patient-focused use.

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    Office
    Office

    111 N Country Rd, Port Jefferson, NY 11777

    Contact for pricing
    5,000 sqft

    Office buildings · 5,000 SF

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    Two-Story Medical Office Building
    Two-Story Medical Office Building

    49 Nesconset Hwy, Port Jefferson Station, NY 11776

    Contact for pricing

    Single-tenant, absolute NNN leased two-story medical office building built for hematology cancer treatments.

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    Two-Story Office Building
    Two-Story Office Building

    112 Maple Pl, Port Jefferson, NY 11777

    Contact for pricing

    Office property with separate entrances, updated building systems, and attic storage.

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    Flexible Office Units with Elevator
    Flexible Office Units with Elevator

    646 Main St, Port Jefferson, NY 11777

    Contact for pricing

    Individual offices and larger suites provide adaptable workspace configurations with on-site parking.

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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.

    Corner Commercial Land
    Corner Commercial Land

    574 Montauk Highway, Shirley, NY 11967

    $1,500/Mo
    0.18 AC lot

    A compact parcel fronts a busy roadway and has public water available.

    View details
    Fenced Commercial Land
    Fenced Commercial Land

    586 Montauk Highway, Shirley, NY 11967

    $1,000/Mo
    0.18 AC lot

    Fenced vacant parcel beside a grocery and deli with cable availability and private water.

    View details
    Prime Land for Ground Lease
    Prime Land for Ground Lease

    Shirley, NY 11967

    Contact for pricing
    0.46 AC lot

    20,245 sq ft land in high-traffic retail corridor.

    View details
    Commercial Land Development Site
    Commercial Land Development Site

    1467 Montauk Highway, Mastic, NY 11967

    $2,500/Mo
    0.55 AC lot

    Vacant commercial parcel with public water and capacity for a new building.

    View details

    Port Jefferson, NY Office Spaces Lease Rates & Market Statistics

    Browse 10 Office Spaces for lease in Port Jefferson, NY on Realmo, a commercial real estate marketplace serving the Port Jefferson area. The current inventory totals 14,011 square feet of properties — an average of ~1,400 SF per listing.

    Office Spaces lease rates in Port Jefferson range from $28 SF/Yr at the entry level to $28 SF/Yr at the top of the market, averaging $28 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. The local average of $28 SF/Yr is 14% below the New York state average of $32.64 SF/Yr.

    Port Jefferson accounts for 2% of the 469 office spaces currently available across Suffolk County, where nearby markets include Huntington and Melville.

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