Cook County property record for 841 Keystone Ave, Northbrook, IL 60062
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,121 sqft · built 1955 |
| Lot Size | 0.219 acres (9,557 sqft) |
| Owner | Individual Name on File |
| Last Sale | $303,000 (Apr 2008) |
| Tax Bill | $8,698 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 04-10-112-005 |
| Primary APN | 04-10-112-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,121 sqft Living Area |
| 1st Floor Area | 1,121 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Bungalow |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 9,557 sqft (0.219 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Water Source | Commercial |
| Street Address | 841 KEYSTONE AVE |
|---|---|
| City | NORTHBROOK |
| State | IL |
| Zip | 60062-3662 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | (NORTHBROOK)(ESTATES)(UNIT1) A SUB IN SEC 10-42-12 |
| Legal Range | 12E |
| Legal Township | 42N |
| Legal Section | 10 |
| Legal Subdivision | NORTHBROOK ESTATES UNIT1 |
| Legal Lot Number | 36 |
| Legal Unit | 1 |
| Jurisdiction | COOK IL |
| Township / Civil Division | NORTHFIELD |
| Census Block Group | 3 |
| Census Block | 3030 |
| Census Tract | 801500 |
841 Keystone Ave is owned by an individual who acquired it in April 2012.
Source: Cook County records, as of May 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 551 N WOLF RD, WHEELING, IL 60090-3027 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Apr 21, 2008 · Amount on File |
| Deed Sale | Apr 21, 2008 · Amount on File |
| Prior Sale | Aug 24, 2006 |
| Deed Document Number | 200811161 |
| Last Transfer Date | Apr 10, 2012 |
| Transfer Doc | 0000029067 |
| Record Updated | Oct 29, 2026 |
Source: Cook County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Northfield Township |
| Municipality | Northbrook Village |
| Elementary School District | Northbrook School District 28 (KG - 08) |
| Secondary School District | Northfield Township High School District 225 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $37,000 Land $11,946 Building $25,054 | $370,000 Land $119,460 Building $250,540 | |
| 2023 | $8,698.00 (-3.36%) | ||
| 2022 | $9,000.00 | $40,617 Land $12,424 Building $28,193 | $406,170 Land $124,240 Building $281,930 |
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 841 Keystone Ave in Zone X, an area of minimal flood risk, though there have been 14 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective February 11, 2026 · 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 | 15 units insured incl. 10 condo units |
| Nearby Flood Claims | 14 (1982–2013) |
| Most Recent Claim | Jul 2013 · other causes |
| 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.
The area around 841 Keystone Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 | NORTHBROOK serves 34,200 people · EPA ID IL0312070 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2023 |
| Lead | 11 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 156 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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