Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Meet Realmo: The Largest Hub
    of Commercial Real     Estate in the US

    Over 1 million active listings and over 150 million property profiles

    Middlesex County, CT Office Buildings for Sale

    List
    Map
    New Haven, CT Waterbury, CT Hartford, CT
    12 results
    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
    Historic Office Building on Route 1
    $625,000
    3,296 SF

    Historic Office Building on Route 1

    130 E Main Street, Clinton, CT 6413

    Versatile commercial property with historic charm and convenient location.

    • Versatile commercial property with multiple office spaces suitable for various business needs.
    • Prime location on Route 1, close to shopping, banking, restaurants, and town services.
    • Ample parking and convenient access to Interstate 95.
    • Historic building (built in 1735) with charming features like wide plank wood floors and multiple fireplaces.
    • Generous .6‑acre parcel with well‑maintained landscaping.
    Updated: Mar 24
    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
    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
    Westbrook Office Campus For Sale
    $1,875,000
    13,456 SF

    Westbrook Office Campus For Sale

    Highly visible office campus in Westbrook's Central Business District.

    36 Westbrook Place, Westbrook, CT 6498
    View details
    Historic Office Building Near Hospital
    $650,000
    4,455 SF

    Historic Office Building Near Hospital

    Early 19th-century office conversion near Middlesex Hospital.

    103 S Main St, Middletown, CT
    View details
    Historic Office Building in Essex
    $2,195,000
    12,600 SF

    Historic Office Building in Essex

    Original 1916 E.E. Dickinson office building with historic details.

    31 North Main Street, Essex, CT 6426
    View details
    Professional Office Building For Sale
    $799,000
    7,874 SF

    Professional Office Building For Sale

    Two-story office building with 7,874 SF on 0.92 acres.

    344 N Main St, Marlborough, CT 6447
    View details
    Historic Office Building on Route 1
    $625,000
    3,296 SF

    Historic Office Building on Route 1

    Versatile commercial property with historic charm and convenient location.

    130 E Main Street, Clinton, CT 06413
    View details
    Middletown Office Building with Kitchen
    $1,100,000
    21,587 SF

    Middletown Office Building with Kitchen

    21,587 SF office building with commercial kitchen for sale.

    33 Pleasant St, Middletown, CT
    View details
    Downtown Mixed-Use Investment Opportunity
    $474,900
    4,108 SF

    Downtown Mixed-Use Investment Opportunity

    Fully occupied mixed-use property with parking in downtown Middletown.

    44 Washington St, Middletown, CT
    View details
    Based on your search, we've compiled 56 Potential Opportunities for your consideration. Besides 12 Active listings in Middlesex County, CT, we suggest exploring several alternatives: similar 40 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    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.

    Commercial Lot in Prime Location
    $149,900
    0.18 Acres

    Commercial Lot in Prime Location

    Leveled commercial lot with highway access, ideal for businesses.

    250 Pratt Street, Meriden, CT 06450
    View details
    Commercial Lot in Prime Location
    $149,900
    0.32 Acres

    Commercial Lot in Prime Location

    Level commercial lot with high accessibility and development potential.

    246 Pratt Street, Meriden, CT 06450
    View details
    Waterford Commercial Land For Sale
    $1,250,000
    68.00 Acres

    Waterford Commercial Land For Sale

    68-acre commercial land near I-95 in Waterford, CT.

    267 Waterford Parkway N, Waterford, CT 06385
    View details
    Waterford Industrial Land For Sale
    $600,000

    Waterford Industrial Land For Sale

    Undeveloped land in high-traffic location near I-95 and I-395.

    77 Foster Road, Waterford, CT 6385
    View details

    Explore Off-Market Properties in Middlesex County, CT

    Consider similar Off-Market properties in Middlesex County, 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.

    235 Rte 80

    235 Rte 80

    OFFICE BUILDING • 1,264 SF
    Value Estimation by Request
    235 Rte 80, Killingworth, CT 06419-1468
    View details
    1572 Saybrook Rd

    1572 Saybrook Rd

    OFFICE BUILDING • 3,036 SF
    Value Estimation by Request
    1572 Saybrook Rd, Haddam, CT 06438-1318
    View details
    98 Brg Rd

    98 Brg Rd

    OFFICE BUILDING • 1,784 SF
    Value Estimation by Request
    98 Brg Rd, Haddam, CT 06438-1357
    View details
    1565 Saybrook Rd

    1565 Saybrook Rd

    OFFICE BUILDING • 3,378 SF
    Value Estimation by Request
    1565 Saybrook Rd, Haddam, CT 06438-1321
    View details
    86 Main St

    86 Main St

    OFFICE BUILDING • 5,799 SF
    Value Estimation
    $1,005,000
    86 Main St, Chester, CT 06412-1340
    View details
    1588 Saybrook Rd

    1588 Saybrook Rd

    OFFICE BUILDING • 2,737 SF
    Value Estimation by Request
    1588 Saybrook Rd, Haddam, CT 06438-1318
    View details
    553 Portland Cobalt Rd

    553 Portland Cobalt Rd

    OFFICE BUILDING • 5,165 SF
    Value Estimation
    $535,000
    553 Portland Cobalt Rd, Portland, CT 06480-1981
    View details
    6 Main St

    6 Main St

    OFFICE BUILDING • 4,935 SF
    Value Estimation
    $1,320,000
    6 Main St, Chester, CT 06412-1390
    View details
    91 Main St

    91 Main St

    OFFICE BUILDING • 3,446 SF
    Value Estimation by Request
    91 Main St, Chester, CT 06412-1311
    View details
    595 Main St

    595 Main St

    OFFICE BUILDING • 18,392 SF
    Value Estimation by Request
    595 Main St, Portland, CT 06480-1156
    View details
    236 Main St

    236 Main St

    OFFICE BUILDING • 1,412 SF
    Value Estimation by Request
    236 Main St, Portland, CT 06480-1861
    View details
    360 Main St

    360 Main St

    OFFICE BUILDING • 8,800 SF
    Value Estimation
    $1,100,000
    360 Main St, Durham, CT 06422-1644
    View details

    Middlesex County, CT Office Buildings Investment Opportunities Market Analysis

    Explore 52 office buildings for sale in Middlesex County, CT, showcased through 12 active listings on our real estate platform. These investment opportunities span a total of 3,355,733 square feet of properties for sale, with an estimated market value of $15,180,000.

    Sale prices for office properties in Middlesex County, CT start at $120,000, averaging $389,230, and reaching up to $2,195,000 — 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 buildings by market

    Browse Office buildings 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!