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    Ottawa, IL Residential Land & Home Lots for Sale

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    Marseilles, IL Utica, IL Grand Ridge, IL North Utica, IL La Salle, IL Seneca, IL Oglesby, IL Sheridan, IL
    26 properties
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    Ottawa Land for Residential Development
    Updated: Feb 10
    Ottawa Land for Residential Development

    24th Avenue lot: 3-10, Ottawa, IL 61350

    $180,000
    2.59 AC lot
    2.59 acres subdivided into 8 lots, offering development potential.
    Zoned R2, allowing for duplexes or single‑family homes.
    No covenants or HOA, providing flexibility and freedom.
    Water, electric, and gas available at the road for easy connection.
    Conveniently located minutes from downtown Ottawa.
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    Wooded Land Opportunity in Ottawa
    Updated: Nov 3, 2025
    Wooded Land Opportunity in Ottawa

    2970 E 1489th. Road lot: 2970, Ottawa, IL 61350

    $59,900
    1.34 AC lot
    Large lot size: 1.34 acres, with an option to purchase an adjacent 1.93‑acre lot for a total of 3.27 acres.
    Combination of cleared, flat land and wooded area with a ravine.
    Potential for a walkout basement construction.
    Detached garages allowed (up to 800 sq ft).
    Located on the west edge of unincorporated Ottawa, offering a balance of privacy and accessibility.
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    Wooded Lots in Unincorporated Ottawa
    Wooded Lots in Unincorporated Ottawa

    2974 E 1489th. Road lot: 2974, Ottawa, IL 61350

    $59,900
    1.93 AC lot

    Two wooded lots available, buy one or both!

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    Residential Building Lot
    Residential Building Lot

    1982 North 2919th Road, Ottawa, IL 61350

    $35,000
    1,800 sqft 1.00 AC lot

    1-acre residential lot at the end of a quiet cul-de-sac in the Woodridge subdivision.

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    Residential Land in Pembrook Subdivision
    Residential Land in Pembrook Subdivision

    1414 Pembrook Lane lot: 42, Ottawa, IL 61350

    $40,900
    0.27 AC lot

    Land in Pembrook Subdivision with recreational park.

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    Vacant Residential Lot
    Vacant Residential Lot

    Lot 24 Andrew Court, Ottawa, IL 61350

    $36,900
    1,500 sqft

    Vacant land in the Southridge Subdivision with city utilities and Ameren and Nicor available on site.

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    Residential Building Lot
    Residential Building Lot

    Lot 22 Andrew Court, Ottawa, IL 61350

    $36,900
    1,500 sqft

    Vacant residential lot in Southridge Subdivision with city utilities and Ameren and Nicor on site.

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    Southside Ottawa 2.4 Acre Lot
    Southside Ottawa 2.4 Acre Lot

    1822 N 2729th Road, Ottawa, IL 61350

    Contact for pricing
    2.40 AC lot

    2.4 acre lot with potential to build forever home.

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    Cleared Residential Lot in Subdivision
    Cleared Residential Lot in Subdivision

    3014 East 1489th Road, Ottawa, IL 61350

    Contact for pricing
    1.24 AC lot

    1.24-acre cleared lot in Trails of Terra Cotta subdivision with paved roads; well and septic needed.

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    Wooded Residential Land Parcel
    Wooded Residential Land Parcel

    2974 East 1489th Road, Ottawa, IL 61350

    $65,900
    2,200 sqft

    Residential lot with front cleared area, wooded rear, and a ravine backdrop, totaling 1.93 acres.

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    Waterfront Single-Family Homesites
    Waterfront Single-Family Homesites

    311 Leeward Way, Ottawa, IL 61350

    Contact for pricing

    Waterfront land in the Pinnacle Pointe area, with the harbor to the north and the Illinois River to the south.

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    Vacant Residential Building Lot
    Vacant Residential Building Lot

    Lot 27 Seminole Ct, Ottawa, IL 61350

    $36,900

    Vacant lot in Southridge Subdivision with city utilities and power on site.

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    Vacant Home Lot with Utilities
    Vacant Home Lot with Utilities

    Lot 20 Andrew Ct, Ottawa, IL 61350

    $36,900

    Vacant lot in Southridge Subdivision with city utilities and Ameren and Nicor available on site.

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    Vacant Residential Building Lot
    Vacant Residential Building Lot

    Lot 17 Andrew Ct, Ottawa, IL 61350

    $36,900

    Vacant lot in Southridge Subdivision with city utilities and Ameren and Nicor available on site.

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    Residential Building Lot
    Residential Building Lot

    517 Cassidy Ave, Ottawa, IL

    $36,900

    For sale residential land/home lot located at 517 Cassidy Ave in Ottawa, Illinois.

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    Residential Building Lot in Marina Community
    Residential Building Lot in Marina Community

    4 Port Place, Ottawa, IL 61350

    $95,000

    Last available lot with southern exposure, facing a manicured park space near a full-service marina.

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    Land
    Land

    3012 E 1489th Road, Ottawa, IL 61350

    Contact for pricing

    Residential land & home lots

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    Residential Lot in Southridge
    Residential Lot in Southridge

    Lot 5 Cassidy Ave, Ottawa, IL 61350

    $36,900

    Vacant residential lot located in the Southridge subdivision, ready for a new home build.

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    Residential Land Lot
    Residential Land Lot

    516 Andrew Ct, Ottawa, IL

    $36,900

    For-sale residential lot on Andrew Ct in Ottawa, IL.

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    Residential Land Lot
    Residential Land Lot

    509 Cassidy Ave, Ottawa, IL

    $36,900

    For sale residential land lot at 509 Cassidy Ave, Ottawa, IL.

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    Commercial Land Parcel
    Commercial Land Parcel

    1982 North 3103rd Road, Ottawa, IL 61350

    $129,000

    For-sale commercial land parcel at 1982 North 3103rd Road in Ottawa, Illinois.

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    Subdivision Lot Close to Town
    Subdivision Lot Close to Town

    2971 East 1489th Road, Ottawa, IL 61350

    $59,900
    1.00 AC lot

    1+ acre residential lot in Phase I of Shadow Ridge Subdivision near town and in the Wallace Grade School district.

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    1+ Acre Residential Lot
    1+ Acre Residential Lot

    2950 E 1479 Road, Ottawa, IL 61350

    $59,900

    More than one acre available in Phase I of Shadow Ridge Subdivision in the Wallace School district.

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    Residential Building Lot
    Residential Building Lot

    6 Oaklane Dr, Ottawa, IL 61350

    $45,000

    Residential building lot in the Wallace School District, offered for sale.

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    Ottawa, IL Residential Land & Home Lots Market Trends and Statistics

    Explore 26 residential land & home lots for sale in Ottawa, IL, showcased through 26 active listings on our real estate platform. These investment opportunities span a total of 520,101 square feet of properties for sale, with an estimated market value of $1,277,000.

    Sale prices for home sites in Ottawa, IL start at $35,000, averaging $58,045, and reaching up to $180,000 — 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

    Residential land & home lots 28
    Recreation land 8
    Commercial land 7
    Waterfront Land 2
    Agricultural land / Farmland 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 $57K

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in LaSalle County

    New Delisted

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