Kane County property record for 420 Diamond Back Way, Algonquin, IL 60102
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1,888 sqft · built 2002 |
| Lot Size | 0.239 acres (10,416 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $300,000 (Jul 2020) |
| Tax Bill | $9,535 (2025) |
| Deeds & Mortgages | Jul 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-02-103-013 |
| Primary APN | 03-02-103-013 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,888 sqft Living Area |
| Gross Area | 3,559 sqft |
| 1st Floor Area | 1,081 sqft |
| Basement Area | 1,081 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Lot Area | 10,416 sqft (0.239 acres) |
| Garage Type | Attached |
| Garage Area | 590 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 420 DIAMOND BACK WAY |
|---|---|
| City | ALGONQUIN |
| State | IL |
| Zip | 60102-5046 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ALGONQUIN LAKES UNIT 4A - LOT # 193 |
| Legal Subdivision | ALGONQUIN LAKES |
| Legal Block | 4 |
| Legal Lot Number | 193 |
| Legal Unit | 4A |
| Jurisdiction | KANE IL |
| Township / Civil Division | DUNDEE |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 850101 |
420 Diamond Back Way is owned and occupied by two individuals who bought it in July 2020.
Source: Kane County records, as of July 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 420 DIAMOND BACK WAY, ALGONQUIN, IL 60102-5046 |
| 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 | Jul 13, 2020 · Amount on File |
| Deed Sale | Jul 13, 2020 · Amount on File |
| Prior Sale | Aug 6, 2013 · Amount on File |
| Deed Document Number | 202037532 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KANE IL |
| Recording Date | Jul 13, 2020 |
| Property Address | 420 DIAMOND BACK WAY, ALGONQUIN, IL 60102-5046 |
| Document Number | 0000037532 |
| Map Reference | DOC 2002K045473 |
| Instrument Date | Jun 5, 2020 |
| Instrument | 2020K037532 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | NORTH AMERICAN TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $300.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 420 DIAMOND BACK WAY, ALGONQUIN, IL 60102-5046 |
| Document Number | 0000037533 |
|---|---|
| Date | Jul 13, 2020 |
| Instrument | 2020K037533 |
| Name | KEY MORTGAGE SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2050 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.25% |
The 2025 property tax bill for 420 Diamond Back Way was $9,535 with a homeowner's exemption.
Source: Kane County assessment roll, as of July 23, 2026
| Type | Name |
|---|---|
| State | Illinois |
| Municipality | Algonquin Village |
| County | Kane County |
| County Subdivision | Dundee Township |
| Unified School District | Community Unit School District 300 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $9,535.00 Homeowner's exemption | $139,820 (+9.42%) Land $28,154 Building $111,666 | $419,628 (+9.42%) Land $84,496 Building $335,132 |
| 2024 | $127,783 Land $25,730 Building $102,053 | $383,502 Land $77,221 Building $306,282 | |
| 2022 | $8,108.00 (+3.02%) Homeowner's exemption | $103,022 (+5.91%) Land $23,151 Building $79,871 | $309,066 (+5.91%) Land $69,453 Building $239,613 |
| 2021 | $7,870.00 Homeowner's exemption | $97,273 Land $21,859 Building $75,414 | $291,819 Land $65,577 Building $226,242 |
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 420 Diamond Back Way in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 8, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 420 Diamond Back Way 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 | 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 467 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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