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    Southport, CT Office Spaces for Sale

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    Southport Office Space For Rent
    Updated: Nov 12, 2025
    Southport Office Space For Rent

    135 Rennell Dr, Southport, CT

    Contact for pricing
    3,750 sqft 0.39 AC lot
    Prestigious Southport address, conveniently located near the train station and Exit 19.
    Unique architect‑designed interior, owner‑occupied and immaculately maintained.
    Bright and airy open workspace with cathedral ceiling plus 11 private offices with windows.
    Elevator access to the 3rd floor.
    Executive conference room.
    View details
    Southport Office Building For Sale
    Updated: Mar 31
    Southport Office Building For Sale

    3530 Post Road, Southport, CT 06490

    Contact for pricing
    Office building available for purchase.
    Located in Southport, Connecticut.
    Year Built: 2026
    Additional Property Details: YearBuilt: 2026
    Description: Office building available for purchase in Southport, Connecticut.
    View details
    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 13 Potential Opportunities for your consideration. Besides 2 Active listings in Southport, CT, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 3 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.

    Downtown Fairfield Retail/Office Opportunity
    Downtown Fairfield Retail/Office Opportunity

    1583 Post Rd, Fairfield, CT

    $3,250,000
    3,258 sqft 0.26 AC lot

    Three-story building in downtown Fairfield with retail or office potential.

    View details
    Westport Mixed-Use Building Opportunity
    Westport Mixed-Use Building Opportunity

    315 Main Street, Westport, CT 06880

    $1,500,000
    2,718 sqft 21.00 AC lot

    Mixed-use building in prime Westport location near Main Street.

    View details
    Fairfield Office or Retail Space
    Fairfield Office or Retail Space

    2-6 Sherman Ct, Fairfield, CT 06824

    $895,000
    1,904 sqft

    Professional office or retail space near downtown Fairfield.

    View details
    Retail Building on Busy Corner
    Retail Building on Busy Corner

    1505 Post Rd E, Westport, CT 06880

    $3,995,000
    8,000 sqft

    8,000+/- SF retail building with high visibility and ample parking.

    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.

    Norwalk Land Subdivision Opportunity
    Norwalk Land Subdivision Opportunity

    176 Bouton Street, Norwalk, CT 06854

    $799,000
    0.77 AC lot

    Approved five-lot subdivision, shovel-ready with utilities available in Norwalk, CT.

    View details
    1.68 Acre Mixed-Use Parcel
    1.68 Acre Mixed-Use Parcel

    715 Main Street, Monroe, CT 06468

    $499,000
    900 sqft 1.68 AC lot

    1.68 acre mixed-use parcel suitable for retail, commercial, residential.

    View details
    Rocky Point Commercial Lot
    Rocky Point Commercial Lot

    N Country Roads, Rocky Point, NY

    $390,000
    0.41 AC lot

    J-2 zoned commercial lot in Rocky Point, NY.

    View details
    Brewster, NY Commercial Land
    Brewster, NY Commercial Land

    1553 22 Route, Brewster, NY 10509

    $700,000
    2.14 AC lot

    2.14 acre commercial land suitable for various development projects.

    View details

    Off-Market Properties in Southport, CT

    Consider similar Off-Market properties in Southport, CT. 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.

    251 Main St, Unit 3
    CONDOMINIUM OFFICES

    251 Main St, Southport, CT 06890-1324

    Unit 3
    $825,000
    Estimated value
    3,308 sqft
    View details
    656 Hbr Rd, Unit 5
    CONDOMINIUM OFFICES

    656 Hbr Rd, Southport, CT 06890-1321

    Unit 5
    Value Estimation by Request
    780 sqft
    View details
    656 Hbr Rd, Unit 4
    CONDOMINIUM OFFICES

    656 Hbr Rd, Southport, CT 06890-1321

    Unit 4
    Value Estimation by Request
    755 sqft
    View details

    Southport, CT Office Spaces Market Trends and Statistics

    Explore 5 office spaces for sale in Southport, CT on our real estate platform. These investment opportunities span a total of 3,750 square feet of properties for sale, with an estimated market value of $0.00.

    Sale prices for office spaces in Southport, CT start at $0.00, averaging $0.00, and reaching up to $0.00 — 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 2
    Office buildings 1

    Demographics Overview

    Population 4,566
    Population Growth (5Y) +5.9%
    Median Household Income $214,523

    Taxes & Financing

    Tax Rate (average for all types) 2.75%
    Property Tax per SF $28.40 per SF
    Tax Rate vs County Average 0.32 pp above county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Fairfield County

    New Delisted

    Total CRE Inventory on Market (SF)

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