Add Listing
    Connecticut
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Property Types
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price
    $
    $

    Middlesex County, CT Office Spaces for Sale

    Notify Me
    List
    Map
    Waterbury, CT Bridgeport, CT New Haven, CT
    75 results
    Established Business in East Haddam
    $625,000
    3,418 SF
    Established Business in East Haddam

    5 Norwich Road, East Haddam, CT 06423

    Turnkey wine & spirits business with growth potential.
    • Turnkey wine & spirits business in East Haddam Village with strong visibility and immediate income potential.
    • Value‑add potential with upper levels suitable for apartments, office space, short‑term rentals, or business expansion, featuring original architectural details.
    • Prime location near Goodspeed Opera House, Gelston House, state parks, and event venues, ensuring consistent year‑round traffic.
    • Beautifully built‑out first‑floor retail space with custom wood shelving, white birch accents, and exposed beams.
    • Building's history and preserved walk‑in flour room support alternative business concepts like a cafe or specialty market.
    Updated: Apr 3
    View details
    Historic Office Building in Essex
    $2,195,000
    12,600 SF
    Historic Office Building in Essex

    31 N Main Street, Essex, CT 06426

    Original 1916 office building with Connecticut River views.
    • Historic E.E. Dickinson office building with original 1916 finishes.
    • Enjoy water views of the Connecticut River.
    • Prime location: walking distance to Essex Village restaurants, marinas, and galleries.
    • Multiple offices: 11 on the main level and 11 on the upper level.
    • Lower level features 4 private offices, reception area, IT room, and secure storage.
    Updated: Dec 18, 2025
    View details
    Middletown Commercial Office Building For Sale
    $475,000
    4,956 SF
    Middletown Commercial Office Building For Sale

    Well-maintained office building in a highly visible, accessible location.

    737 Newfield Street, Middletown, CT 06457

    View details
    Mixed-Use Property with Two Apartments
    $829,000
    7,309 SF
    Mixed-Use Property with Two Apartments

    Mixed-use property with apartments and flex space in Essex, CT.

    33 Deep River Road, Essex, CT 06409

    View details
    Charming Building in Old Saybrook
    $549,000
    960 SF
    Charming Building in Old Saybrook

    Office or retail building with tenant in place until 2030.

    1029 Boston Post Road, Old Saybrook, CT 06475

    View details
    Durham Commercial Property on Route 17
    $1,300,000
    2,256 SF
    Durham Commercial Property on Route 17

    Freestanding commercial property with high visibility and renovation potential.

    980 New Haven Road, Durham, CT 06422

    View details
    Mixed-Use Property in East Haddam
    $425,000
    3,708 SF
    Mixed-Use Property in East Haddam

    Unique mixed-use property in the heart of East Haddam Village.

    5 Norwich Road, East Haddam, CT 06423

    View details
    Middletown Industrial Facility For Sale
    $1,400,000
    27,090 SF
    Middletown Industrial Facility For Sale

    27,000 SF industrial facility with I-91 access.

    35 Industrial Park Place, Middletown, CT 06457

    View details
    Wildwood Medical Center Office Condo
    $240,000
    1,644 SF
    Wildwood Medical Center Office Condo

    Remodeled medical office condo near Route 9 and I-95.

    35 Saybrook Road, Essex, CT 06426

    View details
    Commercial Office Units For Sale
    $225,000
    2,400 SF
    Commercial Office Units For Sale

    Two well-maintained commercial office units totaling 2,400 square feet.

    123 Elm Street, Old Saybrook, CT 06475

    View details
    Adaptable Commercial Space on Newfield
    $699,609
    1,500 SF
    Adaptable Commercial Space on Newfield

    Converted office space with high visibility and flexible design.

    609 Newfield St, Middletown, CT 6457

    View details
    Historic Office Building on Route 66
    $685,000
    2,300 SF
    Historic Office Building on Route 66

    Turnkey office building with historic charm and expansion potential.

    8 W High St, East Hampton, CT 6424

    View details
    Cromwell Executive Center Office Unit
    $395,000
    Cromwell Executive Center Office Unit

    Meticulously maintained office unit in a prime business hub.

    75 Berlin Rd STE 101, Cromwell, CT 6416

    View details
    Updated Office Space in Old Saybrook
    $139,000
    1,200 SF
    Updated Office Space in Old Saybrook

    Clean, updated office space with storage in convenient location.

    123 Elm Street, Old Saybrook, CT 06475

    View details
    Industrial-Office Condo Near I-91
    $724,900
    Industrial-Office Condo Near I-91

    Versatile industrial-office condo with excellent access and flexible layout.

    362 Industrial Park Rd STE 3, Middletown, CT 6457

    View details
    Westbrook Office Building For Sale
    $495,000
    4,974 SF
    Westbrook Office Building For Sale

    Well-maintained office building in a prime downtown location.

    70 Essex Road West Building, Westbrook, CT 6498

    View details
    Medical Office Building in Cromwell
    $1,500,000
    11,602 SF
    Medical Office Building in Cromwell

    Purpose-built medical office building with income potential.

    30 Country Squire Dr, Cromwell, CT 6416

    View details
    Charming Building in Old Saybrook
    $549,000
    Charming Building in Old Saybrook

    Office or retail building with deeded river access.

    1029 Boston Post Rd, Old Saybrook, CT 6475

    View details
    East Hampton Office Building on Route 66
    $685,000
    2,306 SF
    East Hampton Office Building on Route 66

    Turnkey 2,300 SF office building on 1.06 acres.

    8 West High Street, East Hampton, CT 6424

    View details
    Adaptable Commercial Space on Newfield Street
    $699,609
    2,028 SF
    Adaptable Commercial Space on Newfield Street

    Versatile commercial property with high visibility and flexible usage options.

    609 Newfield Street, Middletown, CT 6457

    View details
    Historic Essex Mixed-Use Property
    $1,300,000
    3,036 SF
    Historic Essex Mixed-Use Property

    Reimagined John Miner House in the heart of Essex.

    11 N Main Street, Essex, CT 06426

    View details
    Two-Story Commercial Office Units
    $225,000
    2,400 SF
    Two-Story Commercial Office Units

    Two well-maintained office units totaling 2,400 SF for sale.

    123 Elm St 13 & 14, Old Saybrook, CT 6475

    View details
    Profitable Medical/Office Investment Opportunity
    $1,800,000
    8,390 SF
    Profitable Medical/Office Investment Opportunity

    Meticulously maintained medical/office properties with immediate cash flow.

    51-57 South Main Street, Middletown, CT 6457

    View details
    Industrial Condo with Office Space
    $650,000
    8,545 SF
    Industrial Condo with Office Space

    8545 SF industrial condo with office and warehouse space.

    362 Industrial Park Road Unit 5, Middletown, CT 6457

    View details

    Middlesex County, CT Office Spaces Investment Opportunities Market Analysis

    Explore 75 office spaces for sale in Middlesex County, CT, showcased through 75 active listings on our real estate platform. These investment opportunities span a total of 379,567 square feet of properties for sale, with an estimated market value of $58,888,515.

    Sale prices for office spaces in Middlesex County, CT start at $139,000, averaging $1,070,700, and reaching up to $4,200,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Office Spaces by market

    Browse Office Spaces for Sale Near Middlesex, CT

    Popular Categories

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!