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    Southport, CT
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    Southport, CT Office Spaces for Sale

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    Fairfield, CT Westport, CT Bridgeport, CT
    Southport Office Space For Rent
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    3,750 SF
    Southport Office Space For Rent

    135 Rennell Dr, Southport, CT

    Prestigious Southport office space with unique architect-designed interior.
    • 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.
    Updated: Nov 12, 2025
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    Southport Office Building For Sale
    Contact for pricing
    Southport Office Building For Sale

    3530 Post Road, Southport, CT 6490

    Office building available for purchase in Southport, Connecticut.
    • 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.
    Updated: Mar 31
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    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
    $3,250,000
    3,258 SF
    Downtown Fairfield Retail/Office Opportunity

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

    1583 Post Rd, Fairfield, CT

    View details
    Fairfield Office or Retail Space
    $895,000
    1,904 SF
    Fairfield Office or Retail Space

    Professional office or retail space near downtown Fairfield.

    2-6 Sherman Ct, Fairfield, CT 6824

    View details
    Versatile Westport Commercial Building For Sale
    $1,999,000
    9,771 SF
    Versatile Westport Commercial Building For Sale

    Adaptable commercial building suitable for office, medical, or creative uses.

    1698 Post Rd E, Westport, CT 6880

    View details
    Retail Building on Busy Corner
    $3,995,000
    8,000 SF
    Retail Building on Busy Corner

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

    1505 Post Rd E, Westport, CT 6880

    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
    $799,000
    0.77 Acres
    Norwalk Land Subdivision Opportunity

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

    176 Bouton Street, Norwalk, CT 06854

    View details
    1.68 Acre Mixed-Use Parcel
    $499,000
    900 SF
    1.68 Acre Mixed-Use Parcel

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

    715 Main Street, Monroe, CT 06468

    View details
    Commercial Land in Central District
    $95,000
    0.23 Acres
    Commercial Land in Central District

    0.23-acre parcel in a high-traffic commercial area.

    93 Division St, Ansonia, CT 6401

    View details
    Prime Land in Port Jefferson
    $3,250,000
    4.10 Acres
    Prime Land in Port Jefferson

    4.1 acre commercial land in revitalizing Port Jefferson Station.

    527/529 Route 112, Port Jefferson Station, NY 11776

    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

    251 Main St, Unit 3

    CONDOMINIUM OFFICES • 3,308 SF
    Value Estimation
    $825,000
    251 Main St, Southport, CT 06890-1324
    View details
    656 Hbr Rd, Unit 5

    656 Hbr Rd, Unit 5

    CONDOMINIUM OFFICES • 780 SF
    Value Estimation by Request
    656 Hbr Rd, Southport, CT 06890-1321
    View details
    656 Hbr Rd, Unit 4

    656 Hbr Rd, Unit 4

    CONDOMINIUM OFFICES • 755 SF
    Value Estimation by Request
    656 Hbr Rd, Southport, CT 06890-1321
    View details

    Southport, CT Office Spaces Investment Opportunities Market Analysis

    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

    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 sq ft
    Tax Rate vs County Average 0.32 pp above county avg
    Average Loan-to-Value 65.0%

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