Kane County property record for 421 Jefferson St, Geneva, IL 60134
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,416 sqft · built 1948 |
| Lot Size | 0.293 acres (12,750 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $7,676 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-02-329-009 |
| Primary APN | 12-02-329-009 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,416 sqft Living Area |
| Gross Area | 2,520 sqft |
| 1st Floor Area | 1,416 sqft |
| Basement Area | 1,104 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 12,750 sqft (0.293 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 421 JEFFERSON ST |
|---|---|
| City | GENEVA |
| State | IL |
| Zip | 60134-2325 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | H&B ADD.WLY 85FT. E 150FT. S 150FT.BLK20 |
| Legal Subdivision | H&B |
| Legal Block | 5 |
| Jurisdiction | KANE IL |
| Township / Civil Division | GENEVA |
| Census Block Group | 5 |
| Census Block | 5019 |
| Census Tract | 852500 |
421 Jefferson St is owned and occupied by two individuals.
Source: Kane County records, as of July 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 421 JEFFERSON ST, GENEVA, IL 60134-2325 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 421 Jefferson St was $7,676 with exemptions applied.
Source: Kane County assessment roll, as of July 23, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Kane County |
| County Subdivision | Geneva Township |
| Municipality | Geneva City |
| Unified School District | Geneva Community Unit School District 304 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,676.00 Homeowner's exemption Senior Citizen's exemption | $122,283 (+8.5%) Land $43,345 Building $78,938 | $366,996 (+8.5%) Land $130,087 Building $236,909 |
| 2024 | $112,703 Land $39,949 Building $72,754 | $338,244 Land $119,895 Building $218,349 | |
| 2022 | $7,030.00 (+3.34%) Homeowner's exemption | $95,203 (+3.86%) Land $33,746 Building $61,457 | $285,609 (+3.86%) Land $101,238 Building $184,371 |
| 2021 | $6,803.00 Homeowner's exemption | $91,665 Land $32,492 Building $59,173 | $274,995 Land $97,476 Building $177,519 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 Jefferson St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2002.
Source: FEMA National Flood Hazard Layer, effective October 8, 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 |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 2 (2002–2015) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Apr 2015 · 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.
The area around 421 Jefferson St 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 | GENEVA serves 21,247 people · EPA ID IL0890350 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2023 |
| Lead | 5 ppb (2026) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 340 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Metronet Fiber | 5,120 / 5,120 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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