McHenry County property record for 21 Madison St, Algonquin, IL 60102
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,193 sqft |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $9,000 (Feb 1995) |
| Tax Bill | $7,597 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 19-34-159-001 |
| Primary APN | 19-34-159-001 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,193 sqft Living Area |
| 1st Floor Area | 1,405 sqft |
| Basement Area | 1,397 sqft |
| Architectural Style | Duplex Single |
|---|---|
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 132 ft deep x 66 ft wide |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 21 MADISON ST |
|---|---|
| City | ALGONQUIN |
| State | IL |
| Zip | 60102-2619 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DOC 2003R0047365 LT 1 BLK 12 PLUMLEIGHS ADDN |
| Legal Subdivision | PLUMLEIGHS ADDN |
| Legal Block | 12 |
| Legal Lot Number | 1 |
| Jurisdiction | MCHENRY IL |
| Township / Civil Division | ALGONQUIN |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 871310 |
Source: McHenry County records, as of June 30, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1324 OAK KNOLL DR, LAKE FOREST, IL 60045-3667 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 8, 1995 · Amount on Record |
| Deed Sale | Feb 8, 1995 · Amount on Record |
| Prior Sale | Dec 8, 1993 · Amount on Record |
| Prior Transfer Date | Nov 16, 1993 |
| Prior Transfer Doc | 0000075964 |
| Record Updated | Oct 29, 2026 |
Source: McHenry County assessment roll, as of June 30, 2025
| Type | Name |
|---|---|
| State | Illinois |
| Municipality | Algonquin Village |
| County | McHenry County |
| County Subdivision | Algonquin Township |
| Unified School District | Community Unit School District 300 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2024 | $7,597.00 | $97,123 (+68.67%) Land $21,075 Building $76,048 | $291,369 (+68.67%) Land $63,225 Building $228,144 |
| 2022 | $57,581 Land $21,456 Building $36,125 | $172,743 Land $64,368 Building $108,375 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective February 28, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 29 (1978–2017) |
| Claims Outside the SFHA | 12 of 29 |
| Most Recent Claim | Jul 2017 · river or lake flooding |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | ALGONQUIN serves 30,700 people · EPA ID IL1110050 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2025 |
| Lead | 2 ppb (2026–2028) action level 15 ppb |
| Copper | 1.6 mg/L (2022–2024) action level 1.3 mg/L |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 224 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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