Completely Renovated Custom ALL BRICK Home on 1.2 Acres in the Highly Regarded Huntley School District! Welcome to 9510 Knolltop Road, a stunning custom-built home in the peaceful Knolltop subdivision of Union. Set on 1.2 acres of serene, tree-lined property, this residence offers a rare combination of modern luxury and country charm, all within the highly sought-after Huntley High School District. Step inside to discover a full renovation inside and out. Every detail has been beautifully updated, including a brand new roof, gutters, siding, windows, six panel doors, interior white trim and flooring throughout. A stunning wood burning stove serves as both a centerpiece and a source of comfort, offering timeless charm and inviting ambiance throughout the main living space. The gorgeous new kitchen features quartz countertops, custom cabinetry, brand new stainless steel appliances, a beverage fridge, a coffee station, and a deep modern sink, perfect for everyday living and entertaining. This home offers four spacious bedrooms and one and a half updated bathrooms, all with new fixtures, lighting, and ceiling fans. You'll find water and plumbing access on the second level, giving easy opportunity to add another bathroom! The large unfinished basement provides endless potential for additional living space, storage, or a future recreation area. Enjoy the outdoors from the huge covered front porch or relax on the wraparound deck, surrounded by beautiful mature trees and nature views. Enjoy the freedom to add an outbuilding, pole barn or extra garage with additional living spaces! The long, private driveway leads to an impressive three to four car tandem garage, offering plenty of space for vehicles, hobbies, or a workshop. With its thoughtful craftsmanship, modern finishes, and idyllic private setting, this home truly stands out. There's nothing cookie-cutter here, just a rare, move-in-ready home designed to impress inside and out.
Single-familyProperty Type
1972Year Built
1.21 acresLot Size
$197Price/Sq.Ft.
3 car garageParking
Listed by Michelle Rushing• Berkshire Hathaway HomeServices Starck Real Estate
Listed by George Rosner• Berkshire Hathaway HomeServices Starck Real Estate
Bought with Adalberto Sanchez-Arias• A&O Dream Key Real Estate
Est. $1,997 per month, based on comparable rentals
Sale and tax history for 9510 Knolltop Rd
Sale History
Tax History
Date
Event
Price
MRED as Distributed by MLS Grid #12566379
Apr 22, 2026
Sold (MLS) (Closed)
$433,500
$197/sq ft
Mar 10, 2026
Contingent (Contingent - Continue to Show)
—
Feb 11, 2026
Listed (Active)
$449,900
$205/sq ft
MRED as Distributed by MLS Grid #12543859
Feb 11, 2026
Listing Removed
—
Jan 8, 2026
Listed (Active)
*
MRED as Distributed by MLS Grid #12521813
Jan 8, 2026
Listing Removed
—
Nov 20, 2025
Listed (Active)
*
MRED as Distributed by MLS Grid #12507200
Nov 20, 2025
Listing Removed
—
Oct 30, 2025
Listed (Active)
*
Public Records
Apr 1, 1985
Sold
$93,000
$42/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$7,659 (+1.4%)
$19,991 + $119,140
$139,131
2024
$7,554 (+2.5%)
$18,899 + $112,630
$131,529
2023
$7,370 (+16.7%)
$17,091 + $101,854
$118,945
2022
$6,317 (+3.8%)
$21,067 + $73,555
$94,622
2021
$6,085 (+1.5%)
$19,865 + $69,359
$89,224
2020
$5,997 (+4.1%)
$19,352 + $67,568
$86,920
2019
$5,762 (+12.1%)
$18,515 + $64,646
$83,161
2018
$5,142 (+0.3%)
$17,670 + $58,759
$76,429
2017
$5,128 (−0.6%)
$17,670 + $58,759
$76,429
2016
$5,158 (+5.4%)
$16,404 + $54,552
$70,956
2015
$4,892 (−9.8%)
$16,404 + $54,552
$70,956
2013
$5,424 (−0.2%)
$15,455 + $51,395
$66,850
2012
$5,435 (+6.6%)
$16,246 + $54,026
$70,272
2011
$5,098 (−19.6%)
$16,189 + $58,507
$74,696
2010
$6,344 (+6.7%)
$17,115 + $75,494
$92,609
2008
$5,944 (+4.1%)
$18,912 + $83,419
$102,331
2007
$5,711
$18,502 + $81,610
$100,112
Public record
Public record
Zoning
Beds
—
Baths
—
Stories
—
Lot width
—
Lot depth
—
Lot size
1.21 Acres
Year renovated
—
Sq. Ft.
—
Year built
—
Style
Single Family Residential
County
McHenry County
APN
17-23-177-003
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jun 15, 2026.
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
Parking
Parking Information
# of Garage Spaces: 3
# of Parking (Total): 3
Parking Features: Garage Door Opener, Tandem, Attached, Garage
Interior
Bathroom Information
# of Baths (Full): 1
# of Baths (1/2): 1
Bedroom Information
# of Bedrooms: 4
# of Bedrooms Possible: 4
Room Information
Room Type: Deck
Level: Second
Dimensions: 20 x 8
Room Information
Room Type: Bedroom 2
Level: Main
Dimensions: 14 x 12
Room Information
Room Type: Bedroom 3
Level: Second
Dimensions: 16 x 14
Room Information
Room Type: Bedroom 4
Level: Second
Dimensions: 16 x 12
Room Information
Room Type: Dining Room
Level: Main
Dimensions: 21 x 13
Room Information
Room Type: Family Room
Room Information
Room Type: Kitchen
Level: Main
Dimensions: 17 x 12
Room Information
Room Type: Laundry
Level: Main
Dimensions: 11 x 7
Room Information
Room Type: Living Room
Level: Main
Dimensions: 24 x 16
Room Information
Room Type: Master Bedroom
Level: Main
Dimensions: 17 x 15
Bath: Full
Additional Rooms Information
Basement: Unfinished, Exterior Entry, Partial
Laundry Features: Main Level, In Unit
Interior Features
Interior Features: 1st Floor Bedroom, 1st Floor Full Bath, Open Floorplan