As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$7,091 (+2.0%)
$39,169 + $97,203
$136,372
2024
$6,951 (−5.6%)
$37,029 + $91,892
$128,921
2023
$7,362 (+1.7%)
$33,486 + $83,100
$116,586
2022
$7,241 (+2.9%)
$30,456 + $75,580
$106,036
2021
$7,038 (−0.5%)
$28,719 + $71,268
$99,987
2020
$7,071 (−13.9%)
$27,978 + $69,428
$97,406
2019
$8,215 (+5.3%)
$33,598 + $66,426
$100,024
2018
$7,800 (+1.4%)
$32,065 + $63,396
$95,461
2017
$7,689 (+0.3%)
$32,065 + $63,396
$95,461
2016
$7,664 (+4.3%)
$30,948 + $61,187
$92,135
2015
$7,351 (+0.6%)
$29,769 + $58,856
$88,625
2013
$7,310 (−19.7%)
$28,046 + $55,451
$83,497
2012
$9,104 (+11.3%)
$29,482 + $81,564
$111,046
2011
$8,176 (+5.6%)
$31,044 + $85,884
$116,928
2010
$7,744 (+18.1%)
$32,820 + $90,796
$123,616
2008
$6,556 (+6.3%)
$19,144 + $100,327
$119,471
2007
$6,165
$18,729 + $98,152
$116,881
Tax history for 18917 W Union Rd
Year
Property tax
Land + Additions
Assessment*
2025
$7,091 (+2.0%)
$39,169 + $97,203
$136,372
2024
$6,951 (−5.6%)
$37,029 + $91,892
$128,921
2023
$7,362 (+1.7%)
$33,486 + $83,100
$116,586
2022
$7,241 (+2.9%)
$30,456 + $75,580
$106,036
2021
$7,038 (−0.5%)
$28,719 + $71,268
$99,987
2020
$7,071 (−13.9%)
$27,978 + $69,428
$97,406
2019
$8,215 (+5.3%)
$33,598 + $66,426
$100,024
2018
$7,800 (+1.4%)
$32,065 + $63,396
$95,461
2017
$7,689 (+0.3%)
$32,065 + $63,396
$95,461
2016
$7,664 (+4.3%)
$30,948 + $61,187
$92,135
2015
$7,351 (+0.6%)
$29,769 + $58,856
$88,625
2013
$7,310 (−19.7%)
$28,046 + $55,451
$83,497
2012
$9,104 (+11.3%)
$29,482 + $81,564
$111,046
2011
$8,176 (+5.6%)
$31,044 + $85,884
$116,928
2010
$7,744 (+18.1%)
$32,820 + $90,796
$123,616
2008
$6,556 (+6.3%)
$19,144 + $100,327
$119,471
2007
$6,165
$18,729 + $98,152
$116,881
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
A1
Agriculture District
The intent of the A-1 Agriculture District is to permit agricultural purposes and activities. Residences are allowed on large agricultural parcels within the County. The standards of the A-1 District promote the continuation of farming and protect agricultural land uses from the encroachment of incompatible uses.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Housing-Single unit
Public service
Educational/school
Fire house
Police station
Communications tower
Park & open space
Property details
Exterior
Property Information
Legal Description: DOC 97R013288 E247.5FT W 742.5FT N 440FT NW1/4 SW1/4
Lot Information
Land Sq. Ft: 108,900
Legal Block Number: 300
Municipality Name: CORAL TOWNSHIP
Acres: 2.5
County Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 2.5 acres
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: McHenry County
APN: 17-05-300-003
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Locust Elementary School
Public PreK-3 • Assigned • 1.7mi
8/10
Marengo Community Middle School
Public 6-8 • Assigned • 1.7mi
5/10
Marengo High School
Public 9-12 • Assigned • 1.2mi
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
1/10 Fire Factor
Unlikely to be 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
3/10 Air Factor
2 unhealthy days expected this year, 3 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
$356,000 – $430,000
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