4141 45th Avenue Rock Island, IL $ 999,999
4141 45th Avenue
$ 999,999
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Open House 8/8 1:30pm - 3:30pm
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4141 45th Avenue

Rock Island, IL, 61201
$ 999,999
Bedrooms5 Baths5.3 Sq 10,183

Monthly Estimate*

$ 6,314

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Single Family Home for sale in Rock Island, IL

for $999,999 with 5 bedrooms and 5 full baths, 3 half baths. This 10,183 square foot home was built in 1931 on a lot size of 8.

Secluded & gorgeous on 8+ acres, this 1931 brick colonial estate is known as the "Hewitt Mansion" and regarded as one of Rock Island's most distinguished homes. Originally, this property belonged to William & Tish Deere-Wiman (William was President & CEO of Deere & Co. & Tish Deere-Wiman, great-great granddaughter of John Deere). Every architecturally detailed room is filled with natural light and picturesque views of lush landscapes. The dining room, cozy library & expansive living room all feature a fireplace & bay windows. The kitchen is spacious w/ Neff cabinets, granite counters, hardwood floors and a workstation for prepping for meals to entertain family & guests in the adjacent dining room. There are two master suites with ample storage & relaxing baths - one suite has an upgraded walk in shower. Each additional bedroom has a private bath. Second floor hosts an in-law quarters. Up & down laundry - one in the east master suite and one on the main floor. The third floor has a unique studio and a half bath. Finished basement also features a fireplace, bar, wine storage, plus a 1/2 bath. SIX car garage, PLUS a 1BR apartment above. Property also features a 3 seasons room, stone terrace, in-ground pool (with automatic cover and new heater) and pool house with sauna, outdoor bathroom and bar/entertainment area. There is also an elevator from main floor up! If you desire privacy this property is for you! Measurements are approximate and should be verified by buyers and buyers' agent prior to any offer. Square footage does not include apartment living above the garage. Some photos have been virtually staged.

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Open House

8/8/2026 1:30 PM - 3:30 PM
4141 45th Avenue Rock Island, IL
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 999,999

Bedrooms

5

Full Bath

5

Half Bath

3

Property Type

Single Family

Taxes

$ 31,875

Style

Lot Size

8

Year Built

1931

Town/City

Rock Island

County/Region

Rock Island

MLS | Web ID

12724153

Features
General
Living Area 10183
Sewer Public Sewer
Heating Natural Gas
Cooling Central Air
Possession Closing
Roof Asphalt Metal Rubber
Appliances Double Oven Range Dishwasher High End Refrigerator Washer Dryer Gas Cooktop
Garage Spaces 6
Association Fee Includes None
Construction Materials Brick
Year Built 1931
Tax Year 2025
Ownership Fee Simple
Accessibility See Remarks
Assoc Fee Paid Per Not Applicable
County Rock Island
New Construction N
Property Type Residential Detached Single
Other Structures Greenhouse Guest House Outbuilding Pool House
Total Rooms 13
Full Baths 5
Status New
Directions Blackhawk Road (45th Avenue) north to 38th Street West on 45th Avenue property on left.
City Rock Island
High School District 41
MLS Area Rock Island
Tax Annual Amount 31875
Standard Status Active
Middle/Junior School District 41
Elementary School District 41
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Interior
Interior Amenities In-Law Floorplan Built-in Features Granite Counters
Basement Partially Finished Rec/Family Area Full
Flooring Hardwood Carpet
Total Fireplaces 4
Fireplace Features Wood Burning
Half Baths 3
Laundry Features Main Level Multiple Locations
Total Bedrooms 5
Below Grade Finished Area 616
Room Type Bedroom 5 Screened Porch Library Heated Sun Room Recreation Room Sewing Room Other Room Dark Room
Total Baths 8
Bedrooms Possible 5
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Exterior
Parking Features Asphalt Yes Garage Owned Detached Other Garage
Lot Features Level Other Sloped
Water Source Public
Total Parking 6
Foundation Details Concrete Perimeter Other
Lot Dimensions 948x406x412x318
Lot Size Acres 8
Waterfront Y/N N
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* Excluded Features
List By
Ruhl&Ruhl Realtors Bettendorf

Broker

lindahoffman@ruhlhomes.com

Email

Affordability Calculator

$8,970
Per Month
70%
30%
0%
Monthly Principal & Interest
$6,314
Monthly Property Taxes
$2,656
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
1540884 Elementary School
1540719 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
8/6/2026$999,999 Listed Price

Map


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4141 45th Avenue, Rock Island, IL, 61201 is a Single Family Home for sale at $999,999 with 10,183 sqft and a lot size of 8. 4141 45th Avenue has 5 bedrooms, 5.3 baths, and was built in 1931. The property's zip code is 61201 which is in Rock Island, IL