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    Middlesex County, CT Office Spaces for Lease

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    108 properties
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    Second-Floor Office Suites
    Updated: Jun 23
    Second-Floor Office Suites

    12 Old Boston Post Road, Old Saybrook, CT 06475

    $700/Mo
    3,061 sqft
    Second‑floor office spaces available in a historic property built in 1880
    Located at the corner of Main Street and Old Boston Post Road in Old Saybrook
    Central air cooling and hot water heating
    Security system and wood flooring
    Public water and cable available
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    Downtown Office Suite with Parking
    Updated: Jun 11
    Downtown Office Suite with Parking

    98 Washington Street, Middletown, CT 06457

    $3,250/Mo
    2,500 sqft
    2,500 sq ft office space on the 3rd floor of a handicap‑accessible building in downtown Middletown
    Office layout includes open work area, large conference room, private offices, and a reception/waiting area
    Located at the corner of Main and Washington Streets with its own on‑site parking
    Central air and natural gas heating
    Security system, elevator, and window display
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    Historic Office Building with Two Units
    Historic Office Building with Two Units

    3 Essex Square, Essex, CT 06426

    $17 SF/Yr
    4,260 sqft

    Professionally maintained historic building offering two condominium office configurations with terrace and private rear yard access.

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    Second-Floor Office Suite
    Second-Floor Office Suite

    222 Old Boston Post Rd, Old Saybrook, CT 06475

    $3,000/Mo
    1,800 sqft

    Bright second-floor office space with private offices and meeting areas, suited for professional and medical-related operations.

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    Multi-Office Suite in Shipyard
    Multi-Office Suite in Shipyard

    35 Pratt Street, Essex, CT 06426

    $700/Mo
    14,000 sqft

    Flexible offices for one to three people with shared conference and break room plus ample parking.

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    Second-Floor Office Space
    Second-Floor Office Space

    670 Newfield Street, Middletown, CT 06457

    $1,400/Mo
    855 sqft

    Updated second-floor office suite with elevator access and ample parking for staff and clients.

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    First-Floor Office Suite
    First-Floor Office Suite

    123 Elm Street, Old Saybrook, CT 06475

    $1,700/Mo
    1,200 sqft

    Updated first-floor office space with brand-new flooring, two private restrooms, and off-street parking.

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    Second-Floor Office Suite in Plaza
    Second-Floor Office Suite in Plaza

    455 Boston Post Road, Old Saybrook, CT 06475

    $16 SF/Yr
    1,988 sqft

    1,988 SF second-floor suite with elevator access in a renovated retail/office plaza near I-95.

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    Freestanding Office/Warehouse
    Freestanding Office/Warehouse

    89 N Main Street, Middletown, CT 06457

    $1,600/Mo
    1,600 sqft

    Freestanding office and warehouse with private bath and a new gas furnace, positioned for road visibility.

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    Second-Floor Professional Office Suite
    Second-Floor Professional Office Suite

    222 Old Boston Post Road, Old Saybrook, CT 06475

    $3,000/Mo
    1,864 sqft

    Second-floor office space with multiple private offices, reception and conference areas, and ample parking in a B-3 location.

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    Second-Floor Office Suite
    Second-Floor Office Suite

    455 Boston Post Rd, Old Saybrook, CT 06475

    $16 SF/Yr
    1,988 sqft

    Renovated plaza second-floor office space with elevator access in a commercial corridor near I-95.

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    Private Office Suite with Shared Waiting
    Private Office Suite with Shared Waiting

    423-425 Main Street, Middletown, CT 06457

    $600/Mo
    2,000 sqft

    Affordable private office with a shared client waiting area, plus common kitchen and restroom facilities on the 4th floor.

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    Downtown Office Suite with Two Rooms
    Downtown Office Suite with Two Rooms

    423 Main Street, Middletown, CT 06457

    $1,200/Mo
    2,000 sqft

    Efficient office suite offers two private rooms in a well-maintained downtown building with nearby parking and transit access.

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    Medical Office Suite with Private Entry
    Medical Office Suite with Private Entry

    121-240 Middletown Avenue, East Hampton, CT 06424

    $1,500/Mo
    1,024 sqft

    Freestanding-style medical suite with private, handicap-accessible entry and flexible consult rooms for professional uses.

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    Move-In Ready Office Suite
    Move-In Ready Office Suite

    423 Main Street, Middletown, CT 06457

    $3,000/Mo
    2,000 sqft

    Partially furnished office suite with private office, conference rooms, and break room in a downtown commercial building.

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    Light Industrial Warehouse Space
    Light Industrial Warehouse Space

    36 Plains Road, Essex, CT 06426

    $8 SF/Yr
    54,940 sqft

    Open warehouse layout with 12-foot ceilings and included heat and electricity, plus shared loading access in a LI-zoned building.

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    Middletown Office Space For Rent
    Middletown Office Space For Rent

    46 Washington Street, Middletown, CT 06457

    $500/Mo
    4,780 sqft

    Well-lit office spaces in central Middletown, flexible lease terms.

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    Renovated Office Flex Space
    Renovated Office Flex Space

    36 Plains Road, Essex, CT 06426

    $11 SF/Yr
    54,940 sqft

    Recently renovated office suites with private restrooms and utilities included in a mixed-use, light industrial setting.

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    Two-Level Medical Office Building
    Two-Level Medical Office Building

    30 Country Squire Dr, Cromwell, CT 06416

    $1,300,000 SF/Yr
    11,602 sqft

    Purpose-built medical office with 2009 construction, a patient waiting area, and an available lower level.

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    Serviced Office Suites with Conference Room
    Serviced Office Suites with Conference Room

    46 Washington Street, Middletown, CT 06457

    $500/Mo
    4,780 sqft

    Bright, freshly painted office suites with off-street parking and an on-site conference room for team meetings and client visits.

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    Warehouse, Retail, and Office Space
    Warehouse, Retail, and Office Space

    27-B W Main St, Clinton, CT 06413

    $3,500/Mo
    6,115 sqft

    6,115 SF mixed-use space for lease near I-95.

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    Second-Floor Office Suite
    Second-Floor Office Suite

    123 Elm Street, Old Saybrook, CT 06475

    $1,450/Mo
    1,200 sqft

    Updated second-floor office unit includes new flooring, private restrooms, and off-street parking.

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    High-Visibility Retail/Office Opportunity
    High-Visibility Retail/Office Opportunity

    523 Boston Post Road, Old Saybrook, CT 06475

    $3,000/Mo
    2,726 sqft

    Retail or office space in high-traffic area, excellent visibility.

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    Two-Level Office Space
    Two-Level Office Space

    123 Elm Street, Old Saybrook, CT 06475

    $1,600/Mo
    1,200 sqft

    Updated two-level office space with brand-new flooring, two restrooms, and basement storage plus off-street parking.

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    Middlesex County, CT Office Spaces Market Trends and Statistics

    Explore Office Spaces leasing options in Middlesex County, CT with 108 listings featured on our commercial real estate exchange. The current inventory includes 394,945 square feet of properties with an estimated lease value of $3,386,231.

    Estimated lease rates for Office Spaces in Middlesex County, CT begin at $0.60 SF/Yr, with an average of $40,312 and extend to $1,400,000.
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