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    Winnebago County, IL Office Buildings for Sale

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    Chicago, IL Springfield, IL Rockford, IL
    22 listings
    Multi-Tenant Office Building Investment
    $3,500,000
    59,506 SF
    Multi-Tenant Office Building Investment

    527 Colman Center Dr, Rockford, IL 61108

    Two-story office building with interstate visibility and income potential.
    • Premier I‑90 Interstate visibility in a rapidly growing commercial corridor.
    • Stabilized income from existing tenants with owner‑user flexibility.
    • Significant owner‑user opportunity with the current owner occupying the entire upper level and willingness to lease back.
    • Substantial square footage: Approximately 45,488 SF plus 10,000 SF finished lower level.
    • Convenient access to all three floors via elevator service.
    Updated: May 13
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    Strathmoor Medical Office Building
    $995,000
    9,576 SF
    Strathmoor Medical Office Building

    5727 Strathmoor Dr, Rockford, IL

    Medical office building for sale or lease in Rockford, IL.
    • Building available for sale with possible owner financing.
    • Main upper level is approximately 4,800 SF, currently set up for 1‑2 medical units with existing infrastructure.
    • Exposed lower level offers flexible suite options: three 1,600 SF suites that can be combined up to 4,800 SF.
    • Owner will remodel to suit tenant needs for lease or buyer needs for sale.
    • NNN lease est. $4/SF includes real estate taxes, building insurance, and maintenance.
    Updated: Nov 1, 2025
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    Two-Unit Brick Office Building
    $155,000
    3,050 SF
    Two-Unit Brick Office Building

    3,050 SF brick office building with two units.

    3926 Broadway, Rockford, IL

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    Adaptable Office and Industrial Facility
    $995,000
    22,000 SF
    Adaptable Office and Industrial Facility

    22,000 SF facility with office and industrial adaptability.

    9942 N Alpine Rd, Machesney Park, IL

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    Mixed-Use Multi-Story Building
    $395,000
    Mixed-Use Multi-Story Building

    Three-story building with basement and attached covered staff parking, offering flexible office, meeting, and retail/service space.

    930 E State Street, Rockford, IL 61104

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    Versatile Building with Covered Parking
    $395,000
    9,000 SF
    Versatile Building with Covered Parking

    9,000+ sq ft building with covered parking garage.

    907 E State Street, Rockford, IL 61104

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    Office Building with Ample Parking
    $399,000
    6,136 SF
    Office Building with Ample Parking

    Office building for rent with good visibility and ample parking.

    728 N Prospect St, Rockford, IL

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    Corner Building with Ample Parking
    $184,900
    5,145 SF
    Corner Building with Ample Parking

    5,145 SF building with basement and overhead door.

    707 Marchesano Dr, Rockford, IL

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    Two-Story Multi-Tenant Office Building
    $4,590,000
    17,772 SF
    Two-Story Multi-Tenant Office Building

    Masonry, renovated office building with frontage on two streets and off-street parking in an urban mixed-use district.

    115 7th Street, Rockford, IL 61104

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    Mixed-Use Building with Covered Parking
    $395,000
    9,000 SF
    Mixed-Use Building with Covered Parking

    9,000+ sq ft building with covered parking garage.

    930 E State Street, Rockford, IL 61104

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    Rockford Commercial Property on Main
    $99,900
    13,062 SF
    Rockford Commercial Property on Main

    Class C commercial building with flexible floor plan on Main.

    1030 S Main St, Rockford, IL 61101

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    Rockford Office Investment Opportunity
    $1,195,000
    1.60 Acres
    Rockford Office Investment Opportunity

    Well-leased office property in East Rockford with diversified tenants.

    415 S Mulford Rd, Rockford, IL

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    Historic Industrial Property with Expansion
    $350,000
    42,350 SF
    Historic Industrial Property with Expansion

    Historic property suitable for office, residential lofts, or expansion.

    600-648 Cedar St, Rockford, IL

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    Single-Story Commercial Building with Offices
    $150,000
    4,032 SF
    Single-Story Commercial Building with Offices

    Single-story commercial building featuring 10 private offices.

    210 N Longwood St, Rockford, IL 61107

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    Spacious Office Building Near Downtown
    Contact for pricing
    3,948 SF
    Spacious Office Building Near Downtown

    3,948 SF office building near downtown Rockford, Illinois.

    333 Locust St, Rockford, IL 61103

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    Move-in Ready Office Property
    Contact for pricing
    25,763 SF
    Move-in Ready Office Property

    Highly visible office property in Loves Park, Illinois.

    5642 N 2nd St, Loves Park, IL 61111

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    Solid Brick Landmark Office Building
    Contact for pricing
    Solid Brick Landmark Office Building

    Centrally located office building with great access to downtown.

    615 N Longwood St, Rockford, IL 61107

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    Commercial Property Near Medical Facility
    $1,000,000
    42,916 SF
    Commercial Property Near Medical Facility

    Commercial property suitable for various income streams near medical facility.

    1358 4th Ave, Rockford, IL 61104

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    Office Building with Garage
    $449,900
    7,615 SF
    Office Building with Garage

    Office building with a bonus garage available for lease.

    2303 Charles St, Rockford, IL

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    Spacious Office Building Near Downtown
    Contact for pricing
    3,948 SF
    Spacious Office Building Near Downtown

    3,948 SF office building near downtown Rockford, Illinois.

    333 Locust St, Rockford, IL 61103

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    Move-in Ready Office Property
    Contact for pricing
    25,763 SF
    Move-in Ready Office Property

    Office property in Loves Park with flexible layout.

    5642 N 2nd St, Loves Park, IL 61111

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    Central Rockford Office Space Available
    $449,000
    950 SF
    Central Rockford Office Space Available

    Office suites available from 801 to 2000 SF.

    615 LONGWOOD N, Rockford, IL

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 22 Active Listings in Winnebago County, IL

    Winnebago County, IL Office Buildings Investment Opportunities Market Analysis

    Explore 22 office buildings for sale in Winnebago County, IL, showcased through 22 active listings on our real estate platform. These investment opportunities span a total of 252,110 square feet of properties for sale, with an estimated market value of $14,107,700.

    Sale prices for office properties in Winnebago County, IL start at $99,900, averaging $940,513, and reaching up to $4,590,000 — 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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