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    Flex Building with Two-Bay Car Wash Title is generated by Realmo AI

    1135 S Water Street, Wilmington, IL 60481

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    Claim this Listing
    For Sale
    $2,500,000

    COMMERCIAL - Wilmington, IL

    Type:Office
    Property size:
    16,724 SF
    Lot size:
    4.06 Acres
    Price / SF:
    $149/SF
    Added:
    Sep 3, 2025
    Days on Market:
    307
    Last Refresh:
    Jul 6 at 1:06 am

    Property Features for 1135 S Water Street

    General Information

    Property type
    Commercial Sale
    Property subtype
    Office
    Zoning
    COMMR
    Standard status
    Active
    APN
    0317364000620000
    Lot size
    4.06 Acres

    Taxes and HOA fees

    Tax Year
    2024
    Tax Annual Amount
    35198

    Utilities

    Cooling system
    Central Air

    Building Details

    Year built
    1998
    Floors in Building
    1

    We can help!

    Contact an agent
    Lori Bonarek

    Listing agent Lori Bonarek License #475124600

    Listing office Lori Bonarek Realty 640 S Broadway, Coal City, IL

    Listing date Sep 3, 2025

    MLS# 12461788

    Copyright © 2026 Midwest Real Estate Data, LLC. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Immediate and consistent rental income with a 36‑month leaseback at $25,000/month.
    • Large 14,224 sq ft commercial building suitable for various business operations.
    • Additional 2,500 sq ft two‑bay car wash for supplemental income.
    • Ample parking with approximately 180 vehicle spaces.
    • Main building includes six private offices, waiting room, break room, service area, and a large shop with five overhead doors.
    • Prime commercial location just south of Chicago.

    Overview

    This property includes a main flex commercial building plus a two-bay car wash. The primary building is set up with a welcoming lobby, six private offices, a waiting room, break room, service area, and a large shop outfitted with five overhead doors. A separate two-bay car wash facility is also located on site. Ample parking is available, with approximately 180 vehicle spaces.

    The site is located at 1135 S Water Street in Wilmington, Illinois, just south of Chicago. The property is situated on just over 4 acres and offers a combined mix of office support space and service/production-style use within the enclosed shop areas.

    For buyers seeking a versatile setup, the combination of offices, a service area, and multi-door shop space can support a range of business operations that benefit from dedicated customer and employee areas alongside operational space. The seller-required 36-month leaseback provides immediate, consistent rental income for the buyer, with terms stated as $25,000 per month.

    Local Financial Insights For Office B

    Simulate Cap Rate and NOI

    NOI Build-Up
    Vacancy
    income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
    EGI (Effective Gross Income)
    gross rent minus vacancy losses — the realistic income before paying operating costs.
    OpEx (Operating Expenses)
    recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
    NOI (Net Operating Income)
    income a property generates after operating costs but before financing and taxes.

    Component $ $/SF
    Gross rent $377.3k $22.56
    − Vacancy −$109.4k −$6.54
    EGI $267.9k $16.02
    − OpEx −$67.0k −$4.00
    NOI $200.9k $12.01
    16,724 SF · lease $22.56/SF/yr · vacancy 29.00% · expense 25.00%

    Alternative Uses

    Best Use
    Office B
    $2.87M
    $2.51M – $3.35M (±1% cap)
    NOI $200,909 @ 7.0% cap · market cap 8.04%
    Second Best
    Flex RnD
    $1.12M
    $983.6K – $1.31M (±1% cap)
    NOI $78,691 @ 7.0% cap · market cap 3.15%
    Theoretical Best
    Office A
    $3.79M
    $3.32M – $4.43M (±1% cap)
    NOI $265,510 @ 7.0% cap · market cap 10.62%
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Flex space

    Suggested Use

    Law Firm Restaurant Real Estate Agency Skin Care Clinic Hotel & Motel Spa & Massage Center Gym & Fitness Center Pharmacy Big Box & Wholesale Store Barber Shop

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Wilmington
    County
    Will
    State
    Illinois
    Longitude
    -88.1381432
    Latitude
    41.295559

    FAQs

    What type of property is this?
    Flex space - Flexible commercial building with private offices, large shop space, and an on-site two-bay car wash.
    Where is this flex space located?
    The property is located at 1135 S Water Street Wilmington, IL.
    What is the asking price?
    The asking price for this property is $2,500,000.
    What are key features of this property?
    This property features: Immediate and consistent rental income with a 36‑month leaseback at $25,000/month.; Large 14,224 sq ft commercial building suitable for various business operations.; Additional 2,500 sq ft two‑bay car wash for supplemental income.
    More about this property
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