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$349,000 Just Listed
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Property Description
First time offered! This spacious West Side medical office building, formerly home to Dr. Terry Love's medical practice, offers over 5,000 square feet of versatile space and endless possibilities. The main level features a welcoming reception/waiting area, 5+ patient exam rooms, multiple private offices, a conference room, kitchenette, three half bathrooms, utility rooms, additional office/storage areas, and much more. The upper level includes a 2-bedroom apartment with a full bathroom, providing excellent additional living space or potential rental income. The property offers ample storage throughout, two HVAC systems, two water heaters, and approximately 10 on-site parking spaces. With its flexible layout and generous square footage, this property could easily accommodate a medical practice, professional office, multi-unit residential conversion, condos, apartments, or a variety of other uses. Conveniently located just a few short blocks from Ottawa's downtown shopping and restaurant district and only two blocks from the Illinois River, this property is situated in the heart of the Town of Two Rivers and beautiful Starved Rock Country. A unique opportunity with tremendous potential, excellent location, and the flexibility to fit a wide range of commercial or residential concepts. The possibilities are truly endless!
Full Property Details
Full Property Details for 645 W Main St
General
- Price: $349,000
- Taxes: $12,800 (2025)
- Status: Active
- Type: Commercial
- Source: MRED
- MLS ID: 12729503
- Updated: 8/13/2026
- Added to Site: 5 day(s) ago
Location
- Area: Danway / Dayton / Naplate / Ottawa / Prairie Center
- County: LaSalle
- Township: Ottawa
- Driving Directions: From 6 and 23 - Take 23 south - Turn right on W Main - Property will be on the SE corner of Clay and Main St
- Location Details: Out of Area
Heating & Cooling
- Cooling Type: Central Air Conditioning, Zoned
- Heating Type: Forced Air, Gas
Structural Information
- Stories/Levels: 2
- Square Feet: 5,184
- # of Stores: 2
- Year Built: 1925
- Built Before 1978: Yes
Lot Features
- Lot Size (Acres): 0.18
- Lot Size (Sq. Ft.): 7,920
- Lot Dimensions: 132 x 60
- Frontage: City Street
- Potential Use: Commercial, Office, Multi-Family, Retail
Financial Considerations
- For Sale/Rent/Lease: For Sale Only
- Assessment Year: 1925
- Tax Amount: $12,800.92
- Tax Year: 2025
Disclosures and Reports
- Property ID: 2111309001
Listed by Coldwell Banker Real Estate Group
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Schools
Schools serving 645 W Main St
| Name | Grades | Distance |
|---|---|---|
Lincoln Elementary School, Ottawa, IL 1110 West Main Street, Ottawa, IL 61350 | PK-4 | 0.3 mi |
Shepherd Middle School, Ottawa, IL 701 East McKinley Road, Ottawa, IL 61350 | 7-8 | 1.9 mi |
Ottawa Township High School 211 East Main Street, Ottawa, IL 61350 | 9-12 | 0.7 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 645 W Main St
Date
Details
Price
Change
Source
8/13/2026
Listed
$349,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 645 W Main St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$12,227
-3%
$121,884
—
2024
$12,552
1982%
$121,884
2030%
2023
$603
100%
$5,722
6%
2022
-100%
$5,398
—
2021
$580
1%
$5,398
—
2020
$577
-3%
$5,398
—
2019
$597
1%
$5,398
—
2017
$594
-1%
$5,398
—
2016
$597
—
$5,398
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 645 W Main St
645 W Main Street, Ottawa, IL 61350 (MLS# 12729503) is a Commercial property. 645 W Main Street is currently listed for $349,000 and was received on August 13, 2026. Want to learn more about 645 W Main Street? Do you have questions about finding other Commercial real estate for sale in Ottawa? You can browse all Ottawa real estate or contact a Coldwell Banker agent to request more information.

