911 Althoff Dr, McHenry, IL 60051 Property Records

McHenry County property record for 911 Althoff Dr, McHenry, IL 60051

Property Summary

Property Type	Single Family Home
Details	5 ba · 1,029 sqft · built 1973
Lot Size	0.271 acres (11,843 sqft)
Owner	Individual Name on File
Last Sale	$297,500 (Apr 2023)
Deeds & Mortgages	Apr 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`10-08-152-008`

Property Details

APN / Parcel Number

Primary APN	`10-08-152-008`

Interior

Full Baths	5 Baths
Half Baths	4 Half Baths
Plumbing Fixtures	9 Plumbing Fixtures
Stories	2 Stories
Building Area	1,029 sqft Living Area
1st Floor Area	1,029 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1973
Architectural Style	A-Frame
Exterior Material	Frame/Vinyl
Construction Type	Frame
Lot Area	11,843 sqft
Garage Area	460 sqft
Parking Spaces	2 Parking Spaces
Deck Area	256 sqft
Shed	1 Shed
Shed Area	168 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	911 ALTHOFF DR
City	MCHENRY
State	IL
Zip	60051-7902
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	DOC 944770 LT 500 PISTAKEE HILLS UNIT 3
Legal Range	09E
Legal Township	45N
Legal Section	08
Legal Subdivision	PISTAKEE HILLS 03
Legal Block	152
Legal Lot Number	500
Legal Unit	3
Jurisdiction	MCHENRY IL
Township / Civil Division	MCHENRY
Census Block Group	3
Census Block	3002
Census Tract	870704

Owner

Source: McHenry County assessment roll, as of January 1, 2022

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 25, 2023 · Amount on Record
Deed Sale	Apr 25, 2023 · Amount on Record
Deed Document Number	2023R0009244
Record Updated	Jun 7, 2026

April 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MCHENRY IL
Recording Date	Apr 25, 2023
Property Address	911 ALTHOFF DR, MCHENRY, IL 60051-7902
Document Number	0000009244
Map Reference	DOC361805 MB14 PG40
Instrument Date	Apr 18, 2023
Instrument	2023R0009244
Transaction Type	Transfer
Record Updated	May 5, 2023
Title Company	STEWART TITLE

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$297.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	911 ALTHOFF DR, MCHENRY, IL 60051-7902

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000009245
Date	Apr 25, 2023
Instrument	2023R0009245

Lender

Name	MARTIN R COBB TRUST
Type	Non-Lending Institution

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded
Term	121 Months
Due	May 1, 2033

Tax Assessment & Valuation

Source: McHenry County assessment roll, as of January 1, 2022

Property Jurisdictions

Type	Name
State	Illinois
County	McHenry County
County Subdivision	McHenry Township
Unified School District	Johnsburg Community Unit School District 12 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2022	Homeowner's exemption	$64,051 Land $14,628 Building $49,423	$192,153 Land $43,884 Building $148,269

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.

Flood

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	Severe Storms, Straight-line Winds, And Flooding, Apr 2013 · 2 claims Severe Storms & Flooding, Jun 1993 · 5 claims

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

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

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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 USA Fixed Wireless	100 / 20
AT&T DSL	100 / 20