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    Ottawa, IL Commercial Real Estate for Sale

    14 results
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    Former Montgomery Ward Building
    $474,900
    0.13 Acres

    Former Montgomery Ward Building

    800 La Salle St, Ottawa, IL 61350

    Four-level building suitable for retail, office, and residential use.

    • High‑traffic location on one of Ottawa's busiest streets.
    • Substantial size: 5,400 sq ft per level, totaling four levels.
    • Versatile space suitable for retail, office, or residential use.
    • Value‑add opportunity for investors/developers through rehabilitation.
    • Durable brick construction.
    Updated: Oct 29, 2025
    View details
    Ottawa Commercial Building Investment Opportunity
    $510,000
    0.07 Acres

    Ottawa Commercial Building Investment Opportunity

    227 W Madison St, Ottawa, IL 61350

    Two-story commercial building in Ottawa's historic downtown, near courthouse.

    • 6400 sq ft 2‑story building in historical downtown Ottawa.
    • Located one block from the courthouse and in the Heart of Starved Rock Country.
    • First floor (3200 sq ft) is vacant, offering large offices, conference room, bathrooms and kitchen.
    • Second floor (3200 sq ft) is fully leased.
    • Elevator servicing both first and second floors.
    Updated: Sep 22, 2025
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    Ottawa Commercial Site with Warehouse
    $729,900
    3.68 Acres

    Ottawa Commercial Site with Warehouse

    3.68 acre commercial site with storefront and warehouse.

    1021 Fosse Rd, Ottawa, IL 61350
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    Ottawa Warehouse Buildings on 1.37 Acres
    $259,000
    1.37 Acres

    Ottawa Warehouse Buildings on 1.37 Acres

    Two warehouse buildings on 1.37 acres in Ottawa, IL.

    1015 Fosse Rd, Ottawa, IL 61350
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    Downtown Ottawa Commercial Building For Sale
    $449,900
    0.30 Acres

    Downtown Ottawa Commercial Building For Sale

    Three-story commercial building in downtown Ottawa with redevelopment potential.

    814 La Salle St, Ottawa, IL 61350
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    Ottawa Restaurant Opportunity
    $399,927
    0.16 Acres

    Ottawa Restaurant Opportunity

    Established restaurant for sale in Ottawa, Illinois.

    323 Railroad Ave, Ottawa, IL 61350
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    3401 Il St, Ottawa, IL 61350
    $890,000
    22,680 SF

    3401 Il St, Ottawa, IL 61350

    Mixed-use properties • 22,680 SF

    3401 Il St, Ottawa, IL 61350
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    Downtown Ottawa Mixed-Use Gem
    $200,000

    Downtown Ottawa Mixed-Use Gem

    Prime redevelopment opportunity in vibrant Ottawa, IL.

    112 Madison St, Ottawa, IL 61350
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    Historic Ottawa Multi-Family Investment
    $819,000
    6,724 SF

    Historic Ottawa Multi-Family Investment

    Seven-unit brick building, prime location. Exceptional condition.

    1201-1217 Illinois Ave, Ottawa, IL 61350
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    Downtown Ottawa Mixed-Use Gem
    $275,000
    5,351 SF

    Downtown Ottawa Mixed-Use Gem

    Historic Charm, Modern Amenities, Endless Potential

    1507 La Salle St, Ottawa, IL 61350
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    Prime Ottawa Mixed-Use Space
    Contact for pricing
    10,409 SF

    Prime Ottawa Mixed-Use Space

    High-traffic corner lot, customizable space.

    4104 Veterans Dr, Ottawa, IL 61350
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    Ottawa Avenue Commercial Property
    $99,900
    6,243 SF

    Ottawa Avenue Commercial Property

    Versatile 6,243 sq ft building, great income potential.

    2001 Ottawa Ave, Ottawa, IL 61350
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    Riverfront Office Building For Sale
    $375,000
    5,452 SF

    Riverfront Office Building For Sale

    5,472 SF office building for sale on the river.

    130 E Madison St, Ottawa, IL 61350
    View details
    Based on your search, we've compiled 1364 Potential Opportunities for your consideration. Besides 14 Active listings in Ottawa, IL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 1343 Off-Market properties to explore as potential leads, plus 3 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Marseilles Multi-Unit Residential Income Property
    $219,900
    0.37 Acres

    Marseilles Multi-Unit Residential Income Property

    Two-unit property in Marseilles, IL, with conversion potential.

    1019-1021 Bluff Pl, Marseilles, IL 61341
    View details
    Residential Land in Marseilles, IL
    $38,000
    1.11 Acres

    Residential Land in Marseilles, IL

    1.11 acre lot for residential development near Heritage Harbor.

    2977 E 2370Th Rd, Marseilles, IL 61341
    View details
    Prime Utica/Starved Rock Site
    $795,000

    Prime Utica/Starved Rock Site

    Prime commercial land near Starved Rock State Park.

    2951 N Il 178, North Utica, IL 61373
    View details
    Commercial Land For Sale
    $595,000

    Commercial Land For Sale

    0.80 acre lot for commercial development in North Utica, IL.

    2965 N Il 178, North Utica, IL 61373
    View details

    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.

    Land Near I-80 Interchange
    $1,600,000

    Land Near I-80 Interchange

    Land with I-80 visibility, utilities ready, TIF and Enterprise Zone.

    Etna Dr, Ottawa, IL
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    Ottawa Land For Sale
    $875,000
    7.75 Acres

    Ottawa Land For Sale

    7.75 acres in Ottawa I-80 commercial TIF and Enterprise zone.

    801 E Etna Rd, Ottawa, IL 61350
    View details
    Land Near I-80 Interchange
    $1,600,000

    Land Near I-80 Interchange

    Land with I-80 visibility, utilities ready, TIF and Enterprise Zone.

    Centennial Dr, Ottawa, IL 61350
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    Explore Off-Market Properties in Ottawa, IL

    Consider similar Off-Market properties in Ottawa, 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.

    630 Madison St

    630 Madison St

    Office Properties & Spaces
    Value Estimation by Request
    630 Madison St, Ottawa, IL 61350
    View details
    628 Madison St

    628 Madison St

    Office Properties & Spaces
    Value Estimation by Request
    628 Madison St, Ottawa, IL 61350
    View details
    2709 Columbus St

    2709 Columbus St

    Restaurants • 35,000 SF
    Value Estimation by Request
    2709 Columbus St, Ottawa, IL 61350
    View details
    626 Madison St

    626 Madison St

    Multifamily properties • 6,288 SF
    Value Estimation by Request
    626 Madison St, Ottawa, IL 61350
    View details
    1201-1217 Illinois Ave

    1201-1217 Illinois Ave

    Commercial real estate • 6,724 SF
    Value Estimation by Request
    1201-1217 Illinois Ave, Ottawa, IL 61350
    View details
    1201-1217 Illinois Ave

    1201-1217 Illinois Ave

    Multifamily properties • 6,724 SF
    Value Estimation by Request
    1201-1217 Illinois Ave, Ottawa, IL 61350
    View details
    4104 Veterans Dr

    4104 Veterans Dr

    Mixed-use properties • 10,409 SF
    Value Estimation by Request
    4104 Veterans Dr, Ottawa, IL 61350
    View details
    3107 State Route 23

    3107 State Route 23

    Office Properties & Spaces • 11,000 SF
    Value Estimation by Request
    3107 State Route 23, Ottawa, IL 61350
    View details
    2052 2753rd Rd

    2052 2753rd Rd

    INDUSTRIAL (GENERAL) • 1,680 SF
    Value Estimation by Request
    2052 2753rd Rd, Ottawa, IL 61350-9704
    View details
    1325 2803rd Rd

    1325 2803rd Rd

    INDUSTRIAL (GENERAL) • 23.63 Acres
    Value Estimation
    $255,000
    1325 2803rd Rd, Ottawa, IL 61350-9769
    View details

    Ottawa, IL Commercial Real Estate Investment Opportunities Market Analysis

    Explore 1102 commercial real estate investment opportunities in Ottawa, IL with 14 listings featured on our commercial real estate marketplace. The current inventory includes 170,526,000 square feet of properties with an estimated value of $182,506,627.

    Estimated prices for commercial real estate in Ottawa, IL begin at $40,900, with an average of $362,836 and extend to $5,940,000.

    In Ottawa, IL, current investment values show:

    • Other commercial real estate positioned at $370,534
    • Industrial properties measuring $369,189
    • Other industrial properties assessed at $366,134
    • Land calculated at $154,375
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    Browse Commercial real estate for Sale Near Ottawa, IL

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    Most Searched ZIP Codes in Ottawa, IL

    • 61350

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