McHenry County property record for 520 Old Oak Cir, Algonquin, IL 60102
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,943 sqft · built 1990 |
| Lot Size | 0.232 acres (10,125 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $238,000 (Dec 2002) |
| Deeds & Mortgages | Mar 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 19-34-227-010 |
| Primary APN | 19-34-227-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 2 Stories |
| Building Area | 1,943 sqft |
| Gross Area | 2,996 sqft |
| 1st Floor Area | 1,053 sqft |
| 2nd Floor Area | 890 sqft |
| Year Built | Built 1990 |
|---|---|
| Architectural Style | Colonial |
| Exterior Material | Frame Siding |
| Lot Area | 10,125 sqft (0.232 acres) |
| Heating System | Forced Air |
|---|
| Street Address | 520 OLD OAK CIR |
|---|---|
| City | ALGONQUIN |
| State | IL |
| Zip | 60102-3126 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DOC 2002R0121130 LT 137 OLD OAK TERRACE UNIT 2 |
| Legal Range | 08E |
| Legal Township | 43N |
| Legal Section | 34 |
| Legal Subdivision | OLD OAK TERRACE 02 |
| Legal Block | 227 |
| Legal Lot Number | 137 |
| Legal Unit | 2 |
| Jurisdiction | MCHENRY IL |
| Township / Civil Division | ALGONQUIN |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 871404 |
520 Old Oak Cir is owner-occupied and held in a trust since March 2024.
Source: McHenry County records, as of May 13, 2024
| Owner of Record | 2 Trust Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 520 OLD OAK CIR, ALGONQUIN, IL 60102-3126 |
| Occupancy | Owner Occupied |
| Owner Type | Company, Secondary Individual |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 3 Names on Deed |
|---|---|
| Last Sale | Dec 18, 2002 · Amount on File |
| Deed Sale | Dec 18, 2002 · Amount on File |
| Prior Sale | Dec 18, 2002 · Amount on File |
| Deed Document Number | 0000121130 |
| Last Transfer Date | Mar 11, 2024 |
| Transfer Doc | 0000005670 |
| Record Updated | Jun 7, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MCHENRY IL |
| Recording Date | Mar 11, 2024 |
| Property Address | 520 OLD OAK CIR, ALGONQUIN, IL 60102-3126 |
| Document Number | 0000005670 |
| Map Reference | DOC 88R32042 |
| Instrument Date | Mar 7, 2024 |
| Instrument | 2024R0005670 |
| Transaction Type | Transfer |
| Record Updated | Mar 22, 2024 |
| Title Company | ATTORNEY ONLY, ATTORNEY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 520 OLD OAK CIR, ALGONQUIN, IL 60102-3126 |
Source: McHenry County assessment roll, as of January 1, 2022
| 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 |
|---|---|---|---|
| 2022 | Homeowner's exemption | $91,606 Land $20,766 Building $70,840 | $274,818 Land $62,298 Building $212,520 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 520 Old Oak Cir in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | May 2017 |
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.
Wildfire risk around 520 Old Oak Cir is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 94% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 480 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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