McHenry County property record for 521 6th Ave, Marengo, IL 60152
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.234 acres (10,202 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $112,500 (May 1994) |
| Tax Bill | $5,071 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 11-25-329-017 |
| Primary APN | 11-25-329-017 |
|---|
| Lot Area | 10,202 sqft (0.234 acres) |
|---|
| Street Address | 521 6TH AVE |
|---|---|
| City | MARENGO |
| State | IL |
| Zip | 60152-2389 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DOC 94R032746 LT 45 PARKSIDE PLACE PHASE 3 |
| Legal Subdivision | PARKSIDE PLACE PHASE 3 |
| Legal Phase | 3 |
| Legal Block | 329 |
| Legal Lot Number | 45 |
| Jurisdiction | MCHENRY IL |
| Township / Civil Division | MARENGO |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 871003 |
521 6th Ave is owned and occupied by two individuals who bought it in May 1994.
Source: McHenry County records, as of June 30, 2025
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 521 6TH AVE, MARENGO, IL 60152-2389 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | May 24, 1994 · Amount on File |
| Deed Sale | May 24, 1994 · Amount on File |
| Deed Document Number | 199494R-032746 |
| Prior Transfer Date | May 17, 1994 |
| Prior Transfer Doc | 0094032746 |
| Record Updated | Oct 29, 2026 |
Source: McHenry County assessment roll, as of June 30, 2025
| Type | Name |
|---|---|
| State | Illinois |
| County | McHenry County |
| County Subdivision | Marengo Township |
| Municipality | Marengo City |
| Elementary School District | Marengo-Union Elementary Consolidated District 165 (PK - 08) |
| Secondary School District | Marengo Community High School District 154 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2024 | $5,071.00 | $74,833 Land $17,803 Building $57,030 | $224,499 Land $53,409 Building $171,090 |
| 2022 | Homeowner's exemption | $59,655 Land $14,192 Building $45,463 | $178,965 Land $42,576 Building $136,389 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 521 6th Ave in Zone X, an area of minimal flood risk, though there have been 18 flood claims nearby since 1978.
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 |
| Flood Insurance Cost | Premium on File median of 64 individual policies |
| Nearby Flood Policies | 74 units insured incl. 10 condo units |
| Nearby Flood Claims | 18 (1978–2018) |
| Most Recent Claim | Sep 2018 · rainfall accumulation |
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 521 6th Ave 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 | MARENGO serves 7,572 people · EPA ID IL1110650 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2025 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| 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 269 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Rise Broadband Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
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