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    Mchenry County, IL Office Buildings for Sale

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    3-Unit Office Property
    Updated: Jul 27
    3-Unit Office Property

    4901 W Elm Street, Mchenry, IL 60050

    $275,000
    0.41 AC lot
    3‑unit office property on a 0.41‑acre site
    Illinois Route 120 exposure with approximately 17,600 vehicles in average daily traffic
    Two units are vacant; one unit is occupied on a month‑to‑month lease
    Large on‑site parking lot supports office access
    Brick building constructed in 1974
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    Two-Story Office Building
    Updated: Oct 2, 2025
    Two-Story Office Building

    7165 Barnard Mill Road, Wonder Lake, IL 60097

    $199,000
    0.55 AC lot
    Two‑story office building with five rooms and a half bath on each level
    Two of three units in the separate single‑story building are included
    0.551‑acre property built in 1980
    COMMR zoning designation
    Four electric panels and six meters
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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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    Freestanding Office Building with Signage
    Freestanding Office Building with Signage

    2030 N Seminary Ave, Woodstock, IL 60098

    $1,450,000
    12,000 sqft

    Two-level professional office property with private offices, meeting areas, parking, and monument signage.

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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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    Office Building with Two PINs
    Office Building with Two PINs

    7314 Hancock Drive, Wonder Lake, IL 60097

    $250,000
    0.35 AC lot

    Office property with central air, concrete flooring, and a two-parcel configuration in Wonder Lake.

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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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    Historic Mixed-Use Office Building
    Historic Mixed-Use Office Building

    214 Main St, Woodstock, IL 60098

    $1,000,000
    11,000 sqft

    Renovations are underway, with five private second-floor suites available for lease.

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    Executive Office Building For Sale
    Executive Office Building For Sale

    150 E Dartmoor Drive, Crystal Lake, IL 60014

    $2,460,000
    2,000 sqft 1.82 AC lot

    High-end office building with modern amenities, renovated in 2018.

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    Two-Story Multi-Tenant Office Building
    Two-Story Multi-Tenant Office Building

    970 McHenry Avenue, Crystal Lake, IL 60014

    $949,900
    11,010 sqft 2.25 AC lot

    Two-story office building with private offices for lease.

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    Historic Multi-Tenant Office Building
    Historic Multi-Tenant Office Building

    164 Division St., Elgin, IL 60102

    Contact for pricing
    51,230 sqft

    Eight-story property offering varied office suites for law, medical, design, and other professional uses.

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    Two-Level Office Building
    Two-Level Office Building

    15 West Crystal Lake Avenue, Crystal Lake, IL 60014

    Contact for pricing
    1,776 sqft

    Office property with an occupied salon on the first floor and four private offices upstairs.

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

    1140 East Algonquin Road, Algonquin, IL 60102

    Contact for pricing
    4,433 sqft

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

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    Two-Story Multi-Tenant Office Building
    Two-Story Multi-Tenant Office Building

    970 S Mchenry Ave, Crystal Lake, IL

    Contact for pricing
    11,010 sqft 2.36 AC lot

    Two-story, multi-tenant office building with owner/user opportunity.

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    Office Building For Sale
    Office Building For Sale

    20 Grant Street, Crystal Lake, IL 60014

    Contact for pricing
    6,501 sqft

    Office building totaling 6,501 sq ft offered for sale.

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    Renovated Executive Office Building
    Renovated Executive Office Building

    150 E Dartmoor Dr, Crystal Lake, IL 60014

    Contact for pricing
    35,614 sqft

    Renovated in 2018 with multiple conference rooms, a cafeteria area, and coffee bars on each floor.

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    Office Building With Storage
    Office Building With Storage

    169 South Northwest Highway, Cary, IL 60013

    Contact for pricing
    4,800 sqft

    As-is office building offers main-level office space plus basement storage with convenient front parking and truck access.

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    Historic Office Building on Square
    Historic Office Building on Square

    102 Cass St, Woodstock, IL 60098

    Contact for pricing
    13,300 sqft

    Well-maintained, updated office building originally built in 1853 with 13,300 sf of finished space.

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    Two-Story Office Building
    Two-Story Office Building

    50 North Walkup Avenue, Crystal Lake, IL 60014

    Contact for pricing
    2,120 sqft

    Separate utility metering, a full basement, and private parking support flexible office occupancy.

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    Elevated Office Building with River Views
    Elevated Office Building with River Views

    115 N Main St, Algonquin, IL 60102

    Contact for pricing

    Two-level office building with private offices, conference rooms, and multiple bath facilities, featuring rear riverwalk views.

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    Multi-Suite Office Building
    Multi-Suite Office Building

    230 Florence St, Crystal Lake, IL 60014

    Contact for pricing

    Two-level commercial property with six office rooms, shared facilities, and flexible electric metering capacity.

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    Well-Maintained Office Complex
    Well-Maintained Office Complex

    1100 N Main St, Algonquin, IL 60102

    Contact for pricing

    Fully occupied office complex with separately metered utilities and parking in front and behind the building.

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    Mixed-Use Property with Office Buildings
    Mixed-Use Property with Office Buildings

    1100 E Algonquin Rd Algonquin, IL, Algonquin, IL 60102

    Contact for pricing

    Fountain Square combines neighborhood retail, outlot development sites, and professional office buildings within one commercial property.

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    Mixed-Use Retail and Office Center
    Mixed-Use Retail and Office Center

    1100-1400 E Algonquin Rd, Algonquin, IL 60102

    Contact for pricing

    Includes neighborhood retail, outlot parcels, freestanding building sites, and professional office space.

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    Mchenry County, IL Office Buildings Market Trends and Statistics

    Explore 38 office buildings for sale in Mchenry County, IL, showcased through 25 active listings on our real estate platform. These investment opportunities span a total of 170,130 square feet of properties for sale, with an estimated market value of $7,143,880.

    Sale prices for office properties in Mchenry County, IL start at $199,000, averaging $793,764, and reaching up to $2,460,000 — 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: 18154727720
    www.GetTheDreamTeam.com
    Remax Plaza
    4005 Kane Ave McHenry, IL 60050
    Phone: 18153856770
    www.plazaservices.com
    Realty Executives Cornerstone
    7115 Virginia Rd., Ste. 101 Crystal Lake, IL 60014
    Phone: 18154773000
    www.rickoconnorgroup.com/

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