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    Ottawa, IL
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    Ottawa, IL Office Spaces for Sale

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    Naplate, IL Marseilles, IL Grand Ridge, IL North Utica, IL Utica, IL Oglesby, IL La Salle, IL Seneca, IL
    7 properties
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    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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    Flex Space with Loading Dock
    Updated: Oct 31, 2025
    Flex Space with Loading Dock

    1021 Fosse Road, Ottawa, IL 61350

    $729,900
    3.68 AC lot
    3.68‑acre parcel with approximately 18,000 square feet of improvements
    Rear warehouse area offers 15‑foot clearance and a loading dock
    Two large garage doors: 14 x 20 and 12 x 10
    Storefront ceiling height measures 12 feet
    Covered 25 x 200 exterior overhang for outdoor storage
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    Flex Space with Loading Dock
    Flex Space with Loading Dock

    1021 Fosse Rd, Ottawa, IL 61350

    $729,900
    17,700 sqft

    Versatile commercial facility combining storefront, warehouse, office, display, and service areas with multiple parking areas.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Multi-Unit Flex Space
    Multi-Unit Flex Space

    776 Centennial Dr, Ottawa, IL 61350

    Contact for pricing
    19,492 sqft

    Four distinct units combine shell, office, and powered flex configurations for varied commercial operations.

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    Medical Office with Exam Rooms
    Medical Office with Exam Rooms

    827 East Norris Drive, Ottawa, IL 61350

    Contact for pricing
    1,225 sqft

    Layout includes reception, waiting, three exam rooms, private office, and lab/break area.

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    Riverfront Office Building For Sale
    Riverfront Office Building For Sale

    130 E Madison St, Ottawa, IL

    Contact for pricing
    5,452 sqft 0.33 AC lot

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

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    Retail/Office Building with Overhead Doors
    Retail/Office Building with Overhead Doors

    102 W Norris Dr, Ottawa, IL 61350

    Contact for pricing

    Commercial building includes office, waiting room, restroom, and an attached 4-overhead-door work space.

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    Based on your search, we've compiled 19 Potential Opportunities for your consideration. Besides 7 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, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

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

    Steel Flex Building
    Steel Flex Building

    La Salle, IL 61301

    Contact for pricing
    2,690 sqft

    Office and warehouse areas are paired with a separate garage for added functional space.

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    Mixed-Use Storefront with Upstairs Apartment
    Mixed-Use Storefront with Upstairs Apartment

    304 N Main St, Seneca, IL 61360

    Contact for pricing

    Two-level property combines commercial space with an updated three-bedroom residence in downtown Seneca.

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    Two-Story Brick Commercial Building
    Two-Story Brick Commercial Building

    426 N Main Street, Seneca, IL 61360

    Contact for pricing

    Two-story brick building with a full basement, recently upgraded roof, gutters, tuckpointing, and exterior improvements.

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    Updated Live-Work Office Building
    Updated Live-Work Office Building

    La Salle, IL 61301

    Contact for pricing

    Two-story building offers a front showroom with offices and an upstairs apartment with a remodeled full bath.

    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.

    Commercial Land Near Interchange
    Commercial Land Near Interchange

    010 Unytite Drive, Peru, IL 61354

    $75,000
    1.00 AC lot

    Four commercial lots along Unytite Drive in Peru’s industrial and commercial area, with access near a signalized interchange.

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    Commercial Land Near Interchange
    Commercial Land Near Interchange

    012 Unytite Drive, Peru, IL 61354

    $75,000
    1.33 AC lot

    Four commercial lots are available individually or together within Peru’s industrial and commercial area.

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    Commercial Land Near Signalized Interchange
    Commercial Land Near Signalized Interchange

    016 Unytite Drive, Peru, IL 61354

    $75,000
    1.00 AC lot

    Four commercial lots are offered individually or together within Peru’s industrial and commercial area.

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    Commercial Land Near Interchange
    Commercial Land Near Interchange

    018 Unytite Drive lot: 1, Peru, IL 61354

    $75,000
    1.00 AC lot

    One-acre commercial land parcel in a north Peru business area with access to Unytite Drive.

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    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
    Office Spaces

    630 Madison St, Ottawa, IL 61350

    Value Estimation by Request
    View details
    628 Madison St
    Office Spaces

    628 Madison St, Ottawa, IL 61350

    Value Estimation by Request
    View details
    2709 Columbus St
    Restaurants

    2709 Columbus St, Ottawa, IL 61350

    Value Estimation by Request
    35,000 sqft
    View details
    3107 State Route 23
    Office Spaces

    3107 State Route 23, Ottawa, IL 61350

    Value Estimation by Request
    11,000 sqft 4.10 AC lot
    View details

    Ottawa, IL Office Spaces Market Trends and Statistics

    Explore 11 office spaces for sale in Ottawa, IL, showcased through 7 active listings on our real estate platform. These investment opportunities span a total of 43,869 square feet of properties for sale, with an estimated market value of $2,458,800.

    Sale prices for office spaces in Ottawa, IL start at $729,900, averaging $819,600, and reaching up to $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 8
    Office buildings 4
    Medical Office Space 2

    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 $819.6K

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in LaSalle County

    New Delisted

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