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    Westport, CT Office Buildings for Lease

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    Riverside Avenue Office Space Available
    Updated: Nov 22, 2025
    Riverside Avenue Office Space Available

    274 Riverside Avenue, Westport, CT 06880

    Contact for pricing
    6,104 sqft
    Saugatuck River views on 3 sides of the building
    LEED‑EB GOLD Certified
    One mile from Westport train station
    Golf course views on the rear (western side) of the building
    Parking 2.9/1,000 - 90% covered
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    Westport Office Complex For Rent
    Updated: Nov 24, 2025
    Westport Office Complex For Rent

    323 Riverside Ave, Westport, CT

    Contact for pricing
    5,181 sqft
    Located close to Downtown Westport, restaurants, and the Saugatuck River.
    Office complex comprised of five, two‑story buildings.
    Total office complex size of 50,907 square feet.
    Each building contains 10,000 square feet.
    Proximity to the Rowing Club.
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    Riverside Avenue Office Complex
    Riverside Avenue Office Complex

    325 Riverside Ave, Westport, CT

    Contact for pricing
    5,120 sqft

    Office complex near Downtown Westport and the Saugatuck River.

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    Riverside Avenue Office Complex
    Riverside Avenue Office Complex

    321 Riverside Ave, Westport, CT

    Contact for pricing
    5,038 sqft

    Office complex near downtown Westport and Saugatuck River.

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    Riverside Avenue Office Complex
    Riverside Avenue Office Complex

    329 Riverside Avenue, Westport, CT

    Contact for pricing
    5,115 sqft

    Office complex near downtown Westport and Saugatuck River.

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    Prime Office Space on Post Road
    Prime Office Space on Post Road

    272 Post Road East, Westport, CT 06880

    $45 SF/Yr

    Centrally located office building near restaurants and shopping.

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    Riverside Avenue Office Complex For Rent
    Riverside Avenue Office Complex For Rent

    321-329 Riverside Avenue, Westport, CT 06880

    Contact for pricing

    Office complex near Downtown Westport, restaurants, and rowing club.

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    Mixed-Use Building with Office, Apartment
    Mixed-Use Building with Office, Apartment

    965 Post Road East, Westport, CT 06880

    $29 SF/Yr

    Three-story building featuring office space and a residential apartment unit.

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    Class A Office Building
    Class A Office Building

    1 Morningside Drive, Westport, CT 06880

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    Three-story, 5,764 SF Class A office building for rent.

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    Class A Office Building
    Class A Office Building

    55 Greens Farms Road North, Westport, CT 06880

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    Two-story, 61,300 SF Class A office in Westport Corporate Park.

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    Two-Story Brick Office Building
    Two-Story Brick Office Building

    495 Post Road East, Westport, CT 06880

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    Two-story, 22,562 SF brick office building available for rent.

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    Class A Office Space Available
    Class A Office Space Available

    1 Glendinning Pl, Westport, CT

    $55 SF/Yr
    10,554 sqft

    49,041 SF Class A office space for lease.

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    Two-Story Brick Office Building
    Two-Story Brick Office Building

    489-495 Post Rd E, Westport, CT

    $25 SF/Yr
    3,000 sqft

    22,562 SF Class B office building available for rent.

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    Riverfront Office Space in Westport
    Riverfront Office Space in Westport

    33 Riverside Ave, Westport, CT 06880

    Contact for pricing

    Office building with river views and renovated common areas.

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    Waterfront Office Building in Westport
    Waterfront Office Building in Westport

    285 Riverside Ave, Westport, CT 06880

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    Office building with waterfront views in affluent Westport, Connecticut.

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    Based on your search, we've compiled 25 Potential Opportunities for your consideration. Besides 15 Active listings in Westport, CT, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 2 Properties for Sales.

    Office buildings for Lease in Nearby Cities

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

    Wilton Office Space for Lease
    Wilton Office Space for Lease

    50 Danbury Rd, Wilton, CT 06897

    Contact for pricing
    11,250 sqft

    Office space available with modern amenities in Wilton, Connecticut.

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    Office Space in Corporate Park
    Office Space in Corporate Park

    501 Merritt 7, Norwalk, CT 06851

    Contact for pricing
    32,468 sqft

    Office space within Merritt 7 corporate park, offering flexible options for a range of occupancy sizes.

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    Creative Office Space
    Creative Office Space

    20 Glover Avenue, Norwalk, CT 06850

    Contact for pricing

    Office building creative space available for rent at 20 Glover Avenue.

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    Spacious Office Building with Amenities
    Spacious Office Building with Amenities

    40 Danbury Rd, Wilton, CT

    Contact for pricing
    10,935 sqft

    161,222 RSF office space with fitness center and auditorium.

    View details

    Similar Spaces for Sale in Westport, CT

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

    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.

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    Contemporary Westport Office Building
    Contemporary Westport Office Building

    18 Kings Hwy N, Westport, CT

    Contact for pricing
    6,320 sqft 0.49 AC lot

    Fully leased office building near Main Street and transportation.

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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.

    Prime Land for Ground Lease
    Prime Land for Ground Lease

    Shirley, NY 11967

    Contact for pricing

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

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    Prime Retail Corridor Land Lease
    Prime Retail Corridor Land Lease

    550 William Floyd Pkwy, Shirley, NY 11967

    $10,000/Mo

    20,245 sq ft land for lease in Shirley, NY.

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    Commercial Land on Montauk Highway
    Commercial Land on Montauk Highway

    1467 Montauk Highway, Mastic, NY 11967

    $2,500/Mo

    0.55-acre commercial lot on busy Montauk Highway.

    View details
    Prime Asbury Avenue Location
    Prime Asbury Avenue Location

    901 Asbury Avenue, Asbury Park, NJ 07712

    Contact for pricing
    1,800 sqft

    High-visibility commercial space with customizable build-out and roof deck.

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    Westport, CT Office buildings Market Trends and Statistics

    Explore Office buildings leasing options in Westport, CT with 15 listings featured on our commercial real estate exchange. The current inventory includes 13,554 square feet of properties with an estimated lease value of $80 SF/Yr.

    Estimated lease rates for Office buildings in Westport, CT begin at $25 SF/Yr, with an average of $40 SF/Yr and extend to $55 SF/Yr.
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