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    Middlesex County, CT Commercial Real Estate for Lease

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    265 properties
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    CT, Middletown - Main Street
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    Historic Second-Floor Office Units
    Updated: Jun 23
    Historic Second-Floor Office Units

    12 Old Boston Post Road, Old Saybrook, CT 06475

    $700/Mo
    3,061 sqft 0.52 AC lot
    Second‑floor office units in a historic property built in 1880
    3,061 square feet on a 0.52‑acre parcel
    Corner location at Main Street and Old Boston Post Road
    Paved parking lot on the property
    Wood flooring, central air, hot‑water heating, and a security system
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    Street-Level Office Unit
    Updated: Sep 12
    Street-Level Office Unit

    670 Newfield Street, Middletown, CT 06457

    $575/Mo
    282 sqft 1.20 AC lot
    282 SF street‑level office unit
    Private entrance and dedicated bathroom
    Open layout with entry area and main room
    All utilities included
    Parking available for staff and clients
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    Third-Floor Office Suite
    Third-Floor Office Suite

    98 Washington Street, Middletown, CT 06457

    $3,250/Mo
    2,500 sqft 0.19 AC lot

    Flexible workspace with reception, private offices, conference facilities, and on-site parking in a centrally located building.

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    Corner Retail Space with Office Potential
    Corner Retail Space with Office Potential

    523 Boston Post Rd, Old Saybrook, CT 06475

    $3,000/Mo
    4,157 sqft 0.23 AC lot

    Three-story commercial property with B-2 zoning, multiple entrances, and access to a major commercial corridor.

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    Flexible Office Unit
    Flexible Office Unit

    1610 Saybrook Road, Haddam, CT 06438

    $1,380/Mo
    975 sqft 2.21 AC lot

    COMM-zoned workspace with central air, tile flooring, and a layout that can be adapted to different office configurations.

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    Office Unit with Large Restrooms
    Office Unit with Large Restrooms

    1610 Saybrook Road, Haddam, CT 06438

    $2,975/Mo
    2,100 sqft 2.21 AC lot

    The suite offers an open work area, private office, storage, two large restrooms, and mixed hardwood and tile finishes.

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    Office Units with Shared Amenities
    Office Units with Shared Amenities

    35 Pratt Street, Essex, CT 06426

    $900/Mo
    14,000 sqft 5.12 AC lot

    Individual office configurations include access to a shared conference room and break room.

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    Three-Level Flex Space with Loading Dock
    Three-Level Flex Space with Loading Dock

    27- B West Main St, Clinton, CT 06413

    $3,500/Mo
    6,115 sqft

    Warehouse, retail, office, and basement areas provide a versatile commercial configuration.

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    Flexible Office Units With Loading
    Flexible Office Units With Loading

    38 Plains Road, Essex, CT 06426

    $19 SF/Yr
    14,224 sqft 1.87 AC lot

    Office suites provide adaptable layouts, perimeter offices, central air, and public water service.

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    Single-Level Medical Office Space
    Single-Level Medical Office Space

    85 Church Street, Middletown, CT 06457

    $3,350/Mo
    1,240 sqft

    B-1-zoned professional suite with accessible entry, off-street parking, and a flexible office or exam-room layout.

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    Six-Bay Automotive Repair Facility
    Six-Bay Automotive Repair Facility

    516 Washington St Unit 1, Middletown, CT 06457

    $6,000/Mo
    5,115 sqft 0.47 AC lot

    Existing lifts and alignment equipment support an operating vehicle-service layout.

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    Updated Second-Floor Office Unit
    Updated Second-Floor Office Unit

    670 Newfield Street, Middletown, CT 06457

    $1,400/Mo
    855 sqft 1.20 AC lot

    Accessible professional workspace with central air, public utilities, and parking for staff and clients.

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    Second-Floor Office Units
    Second-Floor Office Units

    222 Old Boston Post Road, Old Saybrook, CT 06475

    $3,000/Mo
    1,864 sqft 1.25 AC lot

    B-3-zoned professional space with private offices, reception areas, conference space, and natural light.

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    Office Space with Very Visible Signage
    Office Space with Very Visible Signage

    75 Berlin Rd, Cromwell, CT 06416

    $1,500/Mo
    2,600 sqft

    Office and professional space in an HB-zoned plaza with very visible signage, plentiful parking, and full sprinkler and A/C.

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    Downtown Office Suite with Conference Rooms
    Downtown Office Suite with Conference Rooms

    423 Main Street, Middletown, CT 06457

    $3,000/Mo
    2,000 sqft 0.18 AC lot

    B-1-zoned workspace includes existing workstations, an executive office, kitchen, and convenient access to public parking.

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    First-Floor Office Unit
    First-Floor Office Unit

    123 Elm Street, Old Saybrook, CT 06475

    $1,700/Mo
    1,200 sqft

    Updated commercial unit with private restrooms, central air, and off-street parking.

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    First-Floor Office Unit
    First-Floor Office Unit

    11 South Main St Unit 1, Marlborough, CT 06447

    $1,700/Mo
    9,652 sqft

    South-facing office unit with retained cabinetry and BigY directly across the street.

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    Freestanding Flex Space
    Freestanding Flex Space

    89 N Main Street, Middletown, CT 06457

    $1,600/Mo
    1,600 sqft

    Freestanding commercial space combines office and warehouse areas with a private bathroom and gas heat.

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    Historic Second-Floor Office Units
    Historic Second-Floor Office Units

    12 Old Boston Post Road 2nd, Old Saybrook, CT 06475

    $700/Mo
    3,061 sqft

    Office suites occupy a sunlit upper level within a historic property with paved parking and convenient Main Street access.

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    Two-Room Office Suite
    Two-Room Office Suite

    423 Main Street, Middletown, CT 06457

    $1,200/Mo
    2,000 sqft 0.18 AC lot

    B-1-zoned office space in a downtown commercial building with central air and access to public parking.

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    Furnished Office Units
    Furnished Office Units

    145 Broad Street Ll1 & Ll2, Middletown, CT 06457

    $1,750/Mo
    800 sqft

    Two connected suites provide private work areas, reception space, and furnishings for a professional office operation.

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    Private Office Suite
    Private Office Suite

    423-425 Main Street, Middletown, CT 06457

    $600/Mo
    2,000 sqft 0.18 AC lot

    Efficient workspace with shared reception, kitchen, and bathroom facilities in a well-maintained commercial building.

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    Second-Floor Office Suite
    Second-Floor Office Suite

    8 Novelty Ln Unit 8, Essex, CT 06426

    $1,650/Mo
    3,004 sqft

    Bright second-floor office overlooks the Connecticut River and features vaulted ceilings and abundant windows.

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    Specialty Commercial Rental Unit
    Specialty Commercial Rental Unit

    140 West Street, Middlefield, CT 06455

    $675/Mo
    550 sqft

    Business-zoned commercial unit within a building along Route 147.

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    Middlesex County, CT Commercial real estate Market Trends and Statistics

    Explore Commercial real estate leasing options in Middlesex County, CT with 265 listings featured on our commercial real estate exchange. The current inventory includes 2,537,621 square feet of properties with an estimated lease value of $2,016.

    Estimated lease rates for Commercial real estate in Middlesex County, CT begin at $2.11 SF/Yr, with an average of $16.13 SF/Yr and extend to $32.42 SF/Yr.
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    Featured Middlesex County Real Estate Agencies

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    RE/MAX VALLEY SHORE
    103 Main Street Fenwick, CT 06475
    Phone: 18603881228
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