DuPage County property record for 521 N 4th Ave, Addison, IL 60101
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,520 sqft · built 2001 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $327,000 (Nov 2001) |
| Tax Bill | $11,898 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-20-326-011 |
| Primary APN | 03-20-326-011 |
|---|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,520 sqft Living Area |
| Gross Area | 4,564 sqft |
| 1st Floor Area | 1,582 sqft |
| 2nd Floor Area | 938 sqft |
| Basement Area | 1,582 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | A-Frame |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 7,841 sqft (0.18 acres) |
| Lot Dimensions | 13 ft deep x 6 ft wide |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 521 N 4TH AVE |
|---|---|
| City | ADDISON |
| State | IL |
| Zip | 60101-2273 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | ARMANI CIRCLE SUB ALL |
| Legal Subdivision | ARMANI CIRCLE SUB |
| Legal Lot Number | 21 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | ADDISON |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 840303 |
521 N 4th Ave is owned and occupied by two individuals who bought it in November 2001.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 521 N 4TH AVE, ADDISON, IL 60101-2273 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
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 | Nov 6, 2001 · Amount on File |
| Deed Sale | Nov 6, 2001 · Amount on File |
| Deed Document Number | 2001240058 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 521 N 4TH AVE, ADDISON, IL 60101-2273 |
| Transaction Type | Mortgage |
| Record Updated | Dec 14, 2021 |
| Title Company | NOVAS TITLE COMPANY LLC |
| Name | Verified Name |
|---|
| Document Number | 0000159599 |
|---|---|
| Date | Dec 24, 2020 |
| Instrument | R2020-159599 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ROSEVILLE, CA 95661 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 175 Months |
| Due | Jul 1, 2035 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 2.87% |
The 2025 property tax bill for 521 N 4th Ave was $11,898 with a homeowner's exemption.
Source: DuPage County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Illinois |
| Municipality | Addison Village |
| County | DuPage County |
| County Subdivision | Addison Township |
| Elementary School District | Addison School District 4 (PK - 08) |
| Secondary School District | DuPage High School District 88 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $11,898.00 | $185,239 Land $62,924 Building $122,315 | $555,717 Land $188,772 Building $366,945 |
| 2022 | $11,123.00 Homeowner's exemption | $157,030 Land $53,340 Building $103,690 | $471,090 Land $160,020 Building $311,070 |
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 521 N 4th Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1989.
Source: FEMA National Flood Hazard Layer, effective September 1, 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 |
| Nearby Flood Claims | 2 (1989) |
| Most Recent Claim | Sep 1989 · river or lake flooding |
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 521 N 4th 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 | ADDISON serves 38,017 people · EPA ID IL0430050 |
|---|---|
| Water Source | Purchased surface water from DU PAGE WATER COMMISSION |
| Last State Inspection | Jan 2024 |
| Lead | 2 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 434 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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