Property Report for 421 S River Rd, Algonquin, IL 60102

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421 S River Rd, Algonquin, IL 60102
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Property Details
  • Property Address 421 S River Rd, Algonquin, IL 60102
  • County Mchenry
  • Parcel ID 19-34-181-004
  • Legal description DOC 2022R0000702 LT 14 DIERCKS ADDN
  • School district Community Unit School District 300
  • Acreage 0.2
  • Property class Single Family Residence
  • Zoning Subscribe
  • Square footage 1,848
  • Year built 1920
  • Bedrooms
  • Bathrooms 1

About the Property

421 S River Rd is a single family residence in the city of Algonquin, IL 60102. Located in the Community Unit School District 300, which resides in Mchenry County, IL and built in 1920. This Single Family Residence sits on a 8,712 sq ft lot and features 1 bathrooms and 1,848 sq ft of living space.

The most recent property tax for 421 S River Rd was $5,203 with an estimated market value range of $279,353 to $308,758. This property was last sold on January 05, 2022.

Property Info

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Flood

Ownership

Land
  • Acres 0.2
  • Square Feet 8,712
Building
  • Units N/A
  • Year Built 1920
  • Effective Year Built N/A
  • Stories 2
  • # Fireplaces N/A
  • Garage/Carport N/A
Utilities
  • Cooling N/A
  • Heating Forced Air
Interior
  • Square Footage
  • Living Area 1,848
  • Total Rooms N/A
  • Bedrooms N/A
  • Total Bathrooms 1
  • Full Bathrooms 1
Your Property Report will also include the following information:

Algonquin Residential Market Stats

Median Sale Price $475,000 +13.5% YoY
Median Price/sq ft. $223
Mchenry County Median Sale Price $475,000 +13.5% YoY

See more Real Estate Trends for Algonquin including home values, types of properties sold and transaction volumes.

Taxes and Assessments for 421 S River Rd, Algonquin

Tax Year Taxes Tax Assesed Value Exemptions
2024 $5,203 (+7.5%) $82,511 (+11.8%)

2023 $4,838 (-483920%) $73,796 (+17.6%)

2022

$62,733 (+11.3%)

2021

2020

2019

2018

Access Full Tax & Assessment History for 421 S River Rd, Algonquin. View Tax Information

Sales History for 421 S River Rd, Algonquin

The most recent sale on 421 S River Rd took place on Jan 04, 2022 and recorded on Jan 05, 2022. Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
Sale Date Recorded Date Buyer(s) Seller(s) Price Document ID

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Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
Address Distance SqFt Sale Date Price $/SqFt
1370 GLACIER PKWY 1.58 mi 2,197 08/27/2025 $425,000 $193
9616 ZIMMER DR 2.67 mi 2,176 08/19/2025 $400,000 $184
647 DAVID ST 1.9 mi 2,078 08/18/2025 $450,000 $217
Active Mortgages and Equity Analysis
Date Recorded Position Original Amount Amortized Balance Loan Type Interest Rate Lender Lender Type

  • Total Estimated Debt:

  • Estimated Value from ATTOM AVM:

  • Available Equity:

  • Loan To Value Ratio:

SAMPLE
Total Estimated Debt

  • Total Estimated Debt
  • Available Equity
Access the complete Mortgage and Equity Analysis for 421 S River Rd, Algonquin. View Mortgage and Equity
Automated Valuation Models (AVM)
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
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Market Value Estimate
Aug 19, 2025 Confidence Score: 95%
Low
Value
High
Rental Value Estimate ATTOM
Aug 25, 2025
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Value
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Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.