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    Mchenry County, IL Office Buildings for Sale

    9 results
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    Historic Algonquin Office Building For Sale
    $300,000
    0.16 Acres

    Historic Algonquin Office Building For Sale

    329 Jefferson St, Algonquin, IL 60102

    Two-unit commercial office building in Algonquin's historic district.

    • Premium location in the historic district of downtown Algonquin.
    • Two‑unit commercial office building offering rental income potential.
    • First floor currently rented by a long‑term tenant.
    • Well‑maintained historic building built in 1867.
    • Off‑street parking for 5‑8 cars.
    Updated: Jan 5
    View details
    Wonder Lake Commercial Block
    $250,000
    0.35 Acres

    Wonder Lake Commercial Block

    7314 Hancock Dr, Wonder Lake, IL 60097

    Commercial block with office building and land for sale.

    • Entire block purchase opportunity.
    • Includes office building with 4500 rental sq ft.
    • Total land sq ft is 28,750.
    • Includes 2 PIN numbers (015 & 016).
    • Building located at 7314 Hancock.
    Updated: Dec 25, 2025
    View details
    Wonder Lake Commercial Opportunity
    $199,000
    0.55 Acres

    Wonder Lake Commercial Opportunity

    Two-story office building with potential for apartment conversion.

    7165 Barnard Mill Rd, Wonder Lake, IL 60097
    View details
    Two-Story Multi-Tenant Office Building
    $999,900
    11,010 SF

    Two-Story Multi-Tenant Office Building

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

    970 S Mchenry Ave, Crystal Lake, IL
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    Converted Office Building For Sale
    Contact for pricing
    3,633 SF

    Converted Office Building For Sale

    3,633 SF office building with highway frontage.

    320 S State St, Marengo, IL 60152
    View details
    Freestanding Brick Commercial Building
    Contact for pricing
    1,320 SF

    Freestanding Brick Commercial Building

    Freestanding brick commercial building with a five-year lease.

    10 Virginia Rd, Crystal Lake, IL
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    McHenry Office Building For Sale
    Contact for pricing
    20,000 SF

    McHenry Office Building For Sale

    20,000 SF office building for sale or lease.

    4209 W Shamrock Ln, McHenry, IL 60050
    View details
    Algonquin Office Building For Sale
    Contact for pricing
    2,096 SF

    Algonquin Office Building For Sale

    2,096 SF office building in Algonquin, built in 2004.

    2200-2230 Huntington Dr N, Algonquin, IL
    View details
    Two-Story Multi-Tenant Office Building
    $999,900

    Two-Story Multi-Tenant Office Building

    Two-story office building with private offices available for lease.

    970 S Mchenry Ave, Crystal Lake, IL 60014
    View details
    Based on your search, we've compiled 24 Potential Opportunities for your consideration. Besides 9 Active listings in Mchenry County, IL, we suggest exploring several alternatives: similar 13 Off-Market properties to explore as potential leads, plus 2 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.

    Wonder Lake Commercial Block
    $250,000
    0.35 Acres

    Wonder Lake Commercial Block

    Commercial block with office building and land for sale.

    7314 Hancock Dr, Wonder Lake, IL 60097
    View details
    Algonquin Commercial Land Opportunity
    $1,200,000
    4.78 Acres

    Algonquin Commercial Land Opportunity

    Undeveloped land parcel in growing Algonquin Road corridor.

    3711 W Algonquin Rd, Algonquin, IL 60102
    View details

    Explore Off-Market Properties in Mchenry County, IL

    Consider similar Off-Market properties in Mchenry County, IL. 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.

    20 Grant St

    20 Grant St

    OFFICE BUILDING • 6,501 SF
    Value Estimation
    $880,000
    20 Grant St, Crystal Lake, IL 60014-4314
    View details
    14 Brink St

    14 Brink St

    OFFICE BUILDING • 2,324 SF
    Value Estimation by Request
    14 Brink St, Crystal Lake, IL 60014-4302
    View details
    4 Terra Cotta Ave

    4 Terra Cotta Ave

    OFFICE BUILDING • 2,479 SF
    Value Estimation by Request
    4 Terra Cotta Ave, Crystal Lake, IL 60014-3622
    View details
    Millstream Dr

    Millstream Dr

    OFFICE BUILDING • 160 SF
    Value Estimation by Request
    Millstream Dr, Mchenry, IL 60050
    View details
    475 Terra Cotta Ave

    475 Terra Cotta Ave

    OFFICE BUILDING • 15,730 SF
    Value Estimation
    $870,000
    475 Terra Cotta Ave, Crystal Lake, IL 60014-3407
    View details
    5201 Mann Dr

    5201 Mann Dr

    OFFICE BUILDING • 1,600 SF
    Value Estimation by Request
    5201 Mann Dr, Ringwood, IL 60072-9664
    View details
    4001 Roberts Rd

    4001 Roberts Rd

    OFFICE BUILDING • 1,824 SF
    Value Estimation by Request
    4001 Roberts Rd, Island Lake, IL 60042-8505
    View details
    2819 Il Rte 120

    2819 Il Rte 120

    OFFICE BUILDING • 1,280 SF
    Value Estimation by Request
    2819 Il Rte 120, Mchenry, IL 60051-4566
    View details
    59 Virginia St

    59 Virginia St

    OFFICE BUILDING • 2,674 SF
    Value Estimation by Request
    59 Virginia St, Crystal Lake, IL 60014-4125
    View details
    5415 Bull Vly Rd

    5415 Bull Vly Rd

    OFFICE BUILDING • 1,202 SF
    Value Estimation by Request
    5415 Bull Vly Rd, Mchenry, IL 60050-7410
    View details
    820 Terra Cotta Ave

    820 Terra Cotta Ave

    OFFICE BUILDING • 590 SF
    Value Estimation by Request
    820 Terra Cotta Ave, Crystal Lake, IL 60014-3649
    View details
    5323 Wonder Lk Rd

    5323 Wonder Lk Rd

    OFFICE BUILDING • 2,168 SF
    Value Estimation by Request
    5323 Wonder Lk Rd, Wonder Lake, IL 60097-9051
    View details
    64 Crystal Lk Ave

    64 Crystal Lk Ave

    OFFICE BUILDING • 1,271 SF
    Value Estimation by Request
    64 Crystal Lk Ave, Crystal Lake, IL 60014-6137
    View details

    Mchenry County, IL Office Buildings Investment Opportunities Market Analysis

    Explore 22 office buildings for sale in Mchenry County, IL, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 417,712 square feet of properties for sale, with an estimated market value of $3,449,000.

    Sale prices for office properties in Mchenry County, IL start at $120,000, averaging $287,416, and reaching up to $485,000 — 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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    Browse Office buildings for Sale Near Mchenry, IL

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