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    Ottawa, IL Office Properties & Spaces for Sale

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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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    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 11 Potential Opportunities for your consideration. Besides 3 Active listings in Ottawa, IL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 4 Off-Market properties to explore as potential leads

    Explore Opportunities in Nearby Cities

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

    54 Acres I-80 Frontage Land
    $2,400,000
    54 SF

    54 Acres I-80 Frontage Land

    54 acres with I-80 frontage, ideal for data center.

    743 Progress Pkwy, La Salle, IL 61301
    View details
    Lasalle Land Ready For Development
    $2,400,000
    27.80 Acres

    Lasalle Land Ready For Development

    27.8 acres of annexed and platted land in LaSalle, IL.

    760 Progress Pkwy, La Salle, IL 61301
    View details
    Commercial Property in High-Traffic Location
    $295,000
    0.17 Acres

    Commercial Property in High-Traffic Location

    Two-unit commercial property on the busiest road in Sandwich, Illinois.

    101 W Church St, Sandwich, IL 60548
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    Retail/Office Space in Sandwich, IL
    $249,900
    0.24 Acres

    Retail/Office Space in Sandwich, IL

    Available retail/office space in high-traffic Sandwich, Illinois.

    1112 E Railroad St, Sandwich, IL 60548
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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
    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

    Ottawa, IL Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 7 office properties & spaces for sale in Ottawa, IL, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 8,712 square feet of properties for sale, with an estimated market value of $984,900.

    Prices for office spaces in Ottawa, IL start at $474,900, averaging $492,450, and reaching up to $510,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Browse Office Properties & Spaces for Sale Near Ottawa, IL

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    Most Searched ZIP Codes in Ottawa, IL

    • 61350

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