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    Mchenry County, IL Office Spaces for Sale

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    58 properties
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    Two-Story Office Building
    Updated: Oct 3
    Two-Story Office Building

    7165 Barnard Mill Road, Wonder Lake, IL 60097

    $199,000
    0.55 AC lot
    0.551‑acre property
    Sale includes two of three units in the single‑story building; the center unit is excluded
    Five rooms and a half bath on each level of the two‑story building
    Four electric panels and six meters
    Well and septic system on site
    View details
    Two-Entry Retail Building
    Updated: Jul 21
    Two-Entry Retail Building

    2904 W Il Route 120, Mchenry, IL 60051

    $269,900
    0.23 AC lot
    2,486‑square‑foot retail building on a 0.2288‑acre site
    Two separate entrances support distinct customer and service access
    Full basement provides additional storage area
    20,000 vehicles pass daily on State Highway Route 120
    Front and rear parking areas included
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    Large Medical Office Condo
    Large Medical Office Condo

    1452 Merchant Drive, Algonquin, IL 60102

    $999,000

    Medical office condominium in a professional complex with central air and varied interior finishes.

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    Historic Storefront Property
    Historic Storefront Property

    200-202 S Main St, Algonquin, IL 60102

    $749,900
    7,678 sqft

    Connected commercial buildings with rear paved parking and flexible former studio improvements.

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    Office Condo with Private Offices
    Office Condo with Private Offices

    280 Stonegate Road, Algonquin, IL 60102

    $160,000
    1.09 AC lot

    Configured for professional operations with reception, work areas, kitchenette, washroom, and storage.

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    Updated Office Condo with Private Offices
    Updated Office Condo with Private Offices

    755 Mcardle Drive, Crystal Lake, IL 60014

    $140,000

    Bright professional suite with two private offices, conference space, storage, and a private bathroom.

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    3-Unit Office Building
    3-Unit Office Building

    4901 W Elm Street, Mchenry, IL 60050

    $225,000
    0.41 AC lot

    Two available suites and one month-to-month tenancy provide flexible occupancy options.

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    Freestanding Flex Building
    Freestanding Flex Building

    4901 Prime Pkwy, Mchenry, IL 60050

    $2,750,000
    25,000 sqft 1.80 AC lot

    Masonry flex facility with warehouse space, modern offices, loading docks, and a kitchen in a corporate business park.

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    Two-Unit Historic Office Building
    Two-Unit Historic Office Building

    329 Jefferson Street, Algonquin, IL 60102

    $279,990
    0.16 AC lot

    Two commercial office units include a full basement, central air, and off-street parking.

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    Leased NNN Property
    Leased NNN Property

    1500 CARLEMONT Drive, Crystal Lake, IL 60014

    $485,000
    0.07 AC lot

    A dental office occupies the building under a long-term NNN lease.

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    Medical Office Building with Physical Therapy Tenant
    Medical Office Building with Physical Therapy Tenant

    1140 E Algonquin Rd, Algonquin, IL 60102

    $692,410
    4,433 sqft

    Fully occupied facility with built-in annual rental increases and a long-standing operator.

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    Divisible Medical Office Space
    Divisible Medical Office Space

    1452 Merchant Drive, Algonquin, IL 60102

    Contact for pricing

    Professional office center with adaptable space, central air, and proximity to major roads and interstates.

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    Multi-Unit Office Building
    Multi-Unit Office Building

    Marengo, IL 60152

    $199,000
    0.09 AC lot

    For sale multi-unit office property in Marengo with COMMR zoning for commercial use flexibility.

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    Updated Office Condo
    Updated Office Condo

    755 McArdle Drive C, Crystal Lake, IL 60014

    $140,000
    8,000 sqft

    Updated professional suite with private offices, conference space, storage, and a private restroom.

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    Office Building
    Office Building

    7314 Hancock Drive, Wonder Lake, IL 60097

    $300,000
    0.35 AC lot

    The office property has its own city water and sewer service and may be purchased separately from the adjoining parcel.

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    Medical Office with Exam Rooms
    Medical Office with Exam Rooms

    400 N Division Street, Harvard, IL 60033

    $198,500
    0.06 AC lot

    Existing clinical layout includes reception, patient waiting space, multiple treatment rooms, and central air conditioning.

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    Office Units with Renovation Needs
    Office Units with Renovation Needs

    7165 Barnard Mill Rd, Wonder Lake, IL 60097

    $199,000
    3,000 sqft

    Business-zoned office property includes a two-story building and two units within a separate single-story structure.

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    Professional Office Condo
    Professional Office Condo

    707 Ridgeview Dr, Mchenry, IL 60050

    $240,000
    2,635 sqft

    Flexible office suite with private rooms, collaborative areas, support space, and shared parking.

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    Freestanding Storefront with Basement
    Freestanding Storefront with Basement

    9911 Main St, Hebron, IL 60034

    $230,000
    1,430 sqft

    Flexible commercial layout with showroom, private rooms, restroom, and supplemental lower-level storage or work area.

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    Two-Unit Historic Office Building
    Two-Unit Historic Office Building

    329 Jefferson St, Algonquin, IL 60102

    $279,990
    2,016 sqft

    Two office units offer an owner-user setup with an existing month-to-month tenant and dedicated basement storage.

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    Remodeled Office Condo
    Remodeled Office Condo

    265 Stonegate Rd, Algonquin, IL 60102

    $425,000
    2,476 sqft

    Fully leased office property with multiple private workspaces and shared meeting and support areas.

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    NNN Medical Office Property
    NNN Medical Office Property

    1500 Carlemont Drive F, Crystal Lake, IL 60014

    $485,000
    3,500 sqft

    Leased dental office with an NNN structure and renewal scheduled for 2027.

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    Freestanding Flex Building with Rail Service
    Freestanding Flex Building with Rail Service

    1150 McConnell Rd, Woodstock, IL 60098

    $3,750,000
    73,245 sqft 5.20 AC lot

    Industrial facility combining warehouse capacity, built-out offices, truck docks, rail access, and substantial electrical service.

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    Professional Office Condo For Sale
    Professional Office Condo For Sale

    820 East Terra Cotta Avenue, Crystal Lake, IL 60014

    $289,000
    2,500 sqft

    Professional office condo in Crystal Lake's 820 E Office Park.

    View details
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    Mchenry County, IL Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Mchenry County, IL, showcased through 58 active listings on our real estate platform. These investment opportunities span a total of 281,071 square feet of properties for sale, with an estimated market value of $27,610,603.

    Sale prices for office properties in Mchenry County, IL start at $121,000, averaging $707,964, and reaching up to $3,750,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Featured McHenry County Real Estate Agencies

    Realmo connects you with licensed McHenry County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Dream Real Estate
    205 S. Valley Road McHenry, IL 60050
    Phone: (815) 472-7720
    www.GetTheDreamTeam.com
    Remax Plaza
    4005 Kane Ave McHenry, IL 60050
    Phone: (815) 385-6770
    www.plazaservices.com
    Realty Executives Cornerstone
    7115 Virginia Rd., Ste. 101 Crystal Lake, IL 60014
    Phone: (815) 477-3000
    www.rickoconnorgroup.com/
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