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    Ottawa, IL
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    Ottawa, IL Office Buildings for Sale

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    Naplate, IL Marseilles, IL Grand Ridge, IL Utica, IL Oglesby, IL La Salle, IL Seneca, IL Sheridan, IL
    Historic Five-Story Office Building
    Updated: Jun 25
    Historic Five-Story Office Building

    628 Columbus Street, Ottawa, IL 61350

    $999,000
    0.57 AC lot
    36,400 total square feet above grade across five floors
    1914 brick masonry and steel‑frame office building with restored period details
    25,640‑square‑foot site measuring 0.57 acres
    150 feet of Columbus Street frontage plus Fox River frontage
    Private asphalt‑paved parking lot accommodating approximately 42 vehicles
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    Riverfront Office Building For Sale
    Updated: Nov 25, 2025
    Riverfront Office Building For Sale

    130 East Madison Street, Ottawa, IL 61350

    Contact for pricing
    5,452 sqft
    River front property
    Boasting 5,472 SF
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    See what stands out in LaSalle County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 2 Active listings in Ottawa, IL, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

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

    Flexible Office Building with Open Areas
    Flexible Office Building with Open Areas

    201 Garden St, Yorkville, IL 60560

    $1,500,000
    9,900 sqft

    All-brick commercial facility with adaptable interiors, accessibility features, substantial electrical service, and on-site parking.

    View details
    Office Building with Skylights
    Office Building with Skylights

    201 Garden Street, Yorkville, IL 60560

    $1,500,000
    1.00 AC lot

    Flexible commercial building with open interiors, multiple entrances, accessibility features, and on-site parking.

    View details
    Medical Office Building with Basement
    Medical Office Building with Basement

    1561 N Division St, Morris, IL 60450

    $550,000
    2,484 sqft

    Former clinical layout includes plumbed exam rooms, offices, reception, and three bathrooms.

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    Medical Office Building with Basement
    Medical Office Building with Basement

    1561 N Division Street, Morris, IL 60450

    $550,000
    8.34 AC lot

    Brick, block, and wood medical office property with exam rooms, private offices, parking, and available water service.

    View details

    Ottawa, IL Office Buildings Market Trends and Statistics

    Explore 2 office buildings for sale in Ottawa, IL on our real estate platform. These investment opportunities span a total of 5,452 square feet of properties for sale, with an estimated market value of $999,000.

    Sale prices for office properties in Ottawa, IL average $999,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 5
    Office buildings 3
    Medical Office Space 1

    Demographics Overview

    Population 24K
    Population Growth (5Y) +0.7%
    Median Household Income $77,562
    College Educated 27.7%

    High-Yield Neighborhoods for Investment

    Identify Ottawa submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    61350 $999K

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in LaSalle County

    New Delisted

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