LaSalle County property record for 505 4th Ave, Mendota, IL 61342
| Property Type | Single Family Home |
|---|---|
| Details | 1,531 sqft · built 1885 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,172 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-33-409-005 |
| Primary APN | 01-33-409-005 |
|---|---|
| Alternative APN |
|
| Plumbing Fixtures | 5 Plumbing Fixtures |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,531 sqft Total Area |
| Year Built | Built 1885 |
|---|---|
| Effective Year Built | Effective 1885 |
| Lot Area | 8,712 sqft (0.2 acres) |
| Street Address | 505 4TH AVE |
|---|---|
| City | MENDOTA |
| State | IL |
| Zip | 61342-2234 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN OF MENDOTA, LT 14 BLK 39 SEC 33-36-1 |
| Legal Range | 01 |
| Legal Township | 36 |
| Legal Section | 33 |
| Legal Subdivision | MENDOTA (ORIGINAL TOWN) |
| Legal Block | 39 |
| Legal Lot Number | 14 |
| Jurisdiction | LASALLE IL |
| Township / Civil Division | MENDOTA |
| Census Block Group | 1 |
| Census Block | 1034 |
| Census Tract | 962000 |
505 4th Ave is owned and occupied by two individuals.
Source: LaSalle County records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 505 4TH AVE, MENDOTA, IL 61342-2234 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 505 4th Ave was $2,172, up 19.3% from the year before.
Source: LaSalle County assessment roll, as of June 29, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | LaSalle County |
| County Subdivision | Mendota Township |
| Municipality | Mendota City |
| Elementary School District | Mendota Community Consolidated School District 289 (PK - 08) |
| Secondary School District | Mendota Township High School District 280 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,172.00 (+19.34%) | $31,045 Land $6,322 Building $24,723 | $93,135 Land $18,966 Building $74,169 |
| 2024 | $1,820.00 | ||
| 2023 | $26,423 (+9.69%) Land $5,381 Building $21,042 | $79,269 (+9.69%) Land $16,143 Building $63,126 | |
| 2022 | $24,089 Land $4,906 Building $19,183 | $72,267 Land $14,718 Building $57,549 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 505 4th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective March 29, 2024 · 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 | 1 (1978) |
| Most Recent Claim | Jun 1978 · tidal / storm surge |
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 505 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 | MENDOTA serves 7,100 people · EPA ID IL0990550 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| Lead | 7 ppb (2026) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jan 2021 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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 263 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Xfinity Cable | 1,200 / 35 |
| Surf Internet Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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