9412 Knolltop Rd is a 2,300 square foot house on a 1.25 acre lot with 3 bedrooms and 3.5 bathrooms. Based on Redfin's Union data, we estimate the home's value is $421,552.
Single-familyProperty Type
1979Year Built
1.25 acresLot Size
$183Est. Price/Sq.Ft.
4 spacesParking
Source:Public Records
Redfin Estimate
$421,552
$0 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.9% lower than the average sale price ($513K) of 6 comparable homes.
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Earn from this home
Sell
$400,450
Est. take-home
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Rent
$3,008/mo
Redfin rental estimate
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Market trends in 60180, IL
Last updated September 2026
Buyer's Market
Seller's Market
Seller's market
Sale-to-List Price
99.3%
0.2% MoM
Median sale price
$465K
$43K MoM
Avg. days on market
34d
15 days MoM
Recently sold homes
3
1 MoM
Provided by Redfin
Sale history for 9412 Knolltop Rd
Date
Event
Price
MRED as Distributed by MLS Grid #10134780
Dec 8, 2018
Listing Removed
—
MRED as Distributed by MLS Grid #10000964
Nov 9, 2018
Listing Removed
—
MRED as Distributed by MLS Grid #09065549
Mar 16, 2016
Listing Removed
—
MRED as Distributed by MLS Grid #08255693
Jul 22, 2013
Listing Removed
—
MRED as Distributed by MLS Grid #08114549
Jan 2, 2013
Listing Removed
—
Jul 25, 2012
Listing Removed
—
MRED as Distributed by MLS Grid #07465055
Mar 9, 2011
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$6,632 (+1.4%)
$19,561 + $101,325
$120,886
2024
$6,539 (+2.5%)
$18,492 + $95,788
$114,280
2023
$6,378 (+11.2%)
$16,723 + $86,623
$103,346
2022
$5,736 (+3.9%)
$19,420 + $67,508
$86,928
2021
$5,520 (+1.5%)
$18,312 + $63,657
$81,969
2020
$5,439 (+4.1%)
$17,839 + $62,014
$79,853
2019
$5,222 (+37.2%)
$17,068 + $59,332
$76,400
2018
$3,807 (+0.5%)
$16,289 + $43,143
$59,432
2017
$3,788 (−0.3%)
$16,289 + $43,143
$59,432
2016
$3,800 (+6.0%)
$15,721 + $41,640
$57,361
2015
$3,584 (−1.9%)
$15,122 + $40,054
$55,176
2013
$3,653 (−3.5%)
$14,246 + $37,737
$51,983
2012
$3,787 (−23.7%)
$14,975 + $39,669
$54,644
2011
$4,966 (−5.1%)
$16,189 + $60,665
$76,854
2010
$5,232 (+6.3%)
$17,115 + $64,135
$81,250
2008
$4,923 (−1.0%)
$18,912 + $70,867
$89,779
2007
$4,974
$18,502 + $69,330
$87,832
Tax history for 9412 Knolltop Rd
Year
Property tax
Land + Additions
Assessment*
2025
$6,632 (+1.4%)
$19,561 + $101,325
$120,886
2024
$6,539 (+2.5%)
$18,492 + $95,788
$114,280
2023
$6,378 (+11.2%)
$16,723 + $86,623
$103,346
2022
$5,736 (+3.9%)
$19,420 + $67,508
$86,928
2021
$5,520 (+1.5%)
$18,312 + $63,657
$81,969
2020
$5,439 (+4.1%)
$17,839 + $62,014
$79,853
2019
$5,222 (+37.2%)
$17,068 + $59,332
$76,400
2018
$3,807 (+0.5%)
$16,289 + $43,143
$59,432
2017
$3,788 (−0.3%)
$16,289 + $43,143
$59,432
2016
$3,800 (+6.0%)
$15,721 + $41,640
$57,361
2015
$3,584 (−1.9%)
$15,122 + $40,054
$55,176
2013
$3,653 (−3.5%)
$14,246 + $37,737
$51,983
2012
$3,787 (−23.7%)
$14,975 + $39,669
$54,644
2011
$4,966 (−5.1%)
$16,189 + $60,665
$76,854
2010
$5,232 (+6.3%)
$17,115 + $64,135
$81,250
2008
$4,923 (−1.0%)
$18,912 + $70,867
$89,779
2007
$4,974
$18,502 + $69,330
$87,832
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
E1
Estate District
The intent of the E-1 Estate District is to accommodate single-family residences on a minimum of 1 acre that, due to topography and location, are well suited for single-family use. The E-1 District is intended to be located in close proximity to municipalities or historic town centers where infrastructure and services are readily accessible, to encourage the compact and contiguous development policy of the 2030 Plan, and shall take into consideration the densities of the adjacent municipality.
Permitted uses
Include but are not limited to:
Housing-Single unit
Public service
Educational/school
Fire house
Police station
Park & open space
Property details
Interior
Basement Information
Basement Finish: Finished
Basement Type: Full
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Room Information
# of Rooms: 9
Exterior
Exterior Information
Exterior Wall: Brick/Wood
Property Information
Subdivision Name: KNOLL TOP SUB
Living Sq. Ft: 1,600
Building Sq. Ft: 1,600
# of Stories: 1
Stories Type: 1
Legal Description: DOC 2001R0017007 LT 2 KNOLL TOP SUB UNIT 1 MEMO: HUFTY, CHARLES E TR 1-1/2 INT/ HUFTY, NANCY M TR 1-1/2 INT
Parking & Garage Information
# of Parking Spaces: 4
Lot Information
# of Buildings: 1
Land Sq. Ft: 54,450
Legal Lot Number: 2
Legal Block Number: 178
Municipality Name: CORAL TOWNSHIP
Acres: 1.25
Depth Footage: 330
Front Footage: 165
County Use Description: RESIDENTIAL
Utility Information
Sewer Type: Septic
Water Service Type: Well
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.5
Sq. Ft.: 2,300
Stories: 1.0
Parking Spaces: 4
Basement: Yes
Accessible: No
Lot Size: 1.25 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: —
County: McHenry County
APN: 17-23-178-002
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on Nov 21, 2020
Around this home
Schools
Leggee Elementary School
Public K-5 • Assigned • 2.6mi
9/10
Marlowe Middle School
Public 6-8 • Assigned • 4.9mi
7/10
Huntley High School
Public 9-12 • Assigned • 2.8mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
2/10 Heat Factor
7 days above 101° expected this year, 14 days in 30 years
2/10 Wind Factor
1% chance of strong winds in next 30 years
2/10 Air Factor
0 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Union, IL • 60180
Average low and high temperatures (°F)
27
12
36
18
54
32
61
41
70
47
81
61
85
65
80
60
78
55
67
46
48
35
34
19
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.1 hours in
June and 3.5 hours in December, placing it below the
U.S. average for solar exposure.
10.1 hrs
3.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$406,000 – $492,000
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