McHenry County property record for 903 Althoff Dr, McHenry, IL 60051
| Property Type | Single Family Home |
|---|---|
| Details | 992 sqft · built 1964 |
| Lot Size | 0.356 acres (15,246 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $675,000 (Mar 2017) |
| Tax Bill | $1,488 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-08-152-004 |
| Primary APN | 10-08-152-004 |
|---|
| Plumbing Fixtures | 5 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 992 sqft Living Area |
| 1st Floor Area | 992 sqft |
| Basement Area | 992 sqft |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Lot Area | 15,246 sqft (0.356 acres) |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 24 sqft |
| Deck Area | 320 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 903 ALTHOFF DR |
|---|---|
| City | MCHENRY |
| State | IL |
| Zip | 60051-7902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DOC 2024R0013811 LT 502 PISTAKEE HILLS UNIT 3 MEMO: TODI RECORDED AS DOC 2017R0007361 |
| Legal Subdivision | PISTAKEE HILLS |
| Legal Block | 152 |
| Legal Lot Number | 502 |
| Legal Unit | 3 |
| Jurisdiction | MCHENRY IL |
| Township / Civil Division | MCHENRY |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 870704 |
Source: McHenry County records, as of March 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 903 ALTHOFF DR, MCHENRY, IL 60051-7902 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 1, 2017 · Amount on Record |
| Deed Sale | Mar 1, 2017 · Amount on Record |
| Deed Document Number | 20177360 |
| Prior Transfer Date | Feb 21, 2017 |
| Prior Transfer Doc | 0000007360 |
| Record Updated | Oct 29, 2026 |
Source: McHenry County assessment roll, as of March 27, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | McHenry County |
| County Subdivision | McHenry Township |
| Unified School District | Johnsburg Community Unit School District 12 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2024 | $1,488.00 | $58,108 (+15.35%) Land $6,324 Building $51,784 | $174,324 (+15.35%) Land $18,972 Building $155,352 |
| 2022 | Homeowner's exemption | $50,377 Land $14,628 Building $35,749 | $151,131 Land $43,884 Building $107,247 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 16 (1979–2017) |
| Claims Outside the SFHA | 1 of 16 |
| 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 | 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 | IL AMERICAN-WHISPERING HILLS private · serves 8,300 people · EPA ID IL1115700 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2024 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 59 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 314 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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