LaSalle County property record for 511 Illinois Ave, Ottawa, IL 61350
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 1,663 sqft · built 1880 |
| Lot Size | 0.202 acres (8,838 sqft) |
| Owner | Company Name on File |
| Deeds & Mortgages | Apr 2020 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 21-11-322-007 |
| Primary APN | 21-11-322-007 |
|---|---|
| Alternative APN |
|
| Building Area | 1,663 sqft Total Area |
|---|
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Lot Area | 8,838 sqft (0.202 acres) |
| Street Address | 511 ILLINOIS AVE |
|---|---|
| City | OTTAWA |
| State | IL |
| Zip | 61350-2711 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | ASSESSORS SUB OF OLS SW FRAC'L 1/4 SEC 11-33-3, OL 74 |
| Legal Range | 03 |
| Legal Township | 33 |
| Legal Section | 11 |
| Legal Subdivision | ASSESSORS SUB OF O L S SW 1/4 SEC 11-33 |
| Jurisdiction | LASALLE IL |
| Township / Civil Division | OTTAWA |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 962800 |
511 Illinois Ave is owned by a company.
Source: LaSalle County records, as of June 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 301 W MADISON ST, OTTAWA, IL 61350-2820 |
| Owner Type | Company |
| Vesting | Government |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LASALLE IL |
| Recording Date | Apr 20, 2020 |
| Property Address | 511 ILLINOIS AVE, OTTAWA, IL 61350-2711 |
| Document Number | 0202005314 |
| Instrument Date | Apr 6, 2020 |
| Instrument | 202005314 |
| Transaction Type | Transfer |
| Record Updated | May 17, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 309 HILLSIDE AVE, 309, OTTAWA, IL 61350-1021 |
| Name | Verified Name |
|---|---|
| Address | 301 W MADISON ST, OTTAWA, IL 61350-2820 |
Source: LaSalle County assessment roll, as of June 29, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | LaSalle County |
| County Subdivision | Ottawa Township |
| Municipality | Ottawa City |
| Elementary School District | Ottawa Elementary School District 141 (PK - 08) |
| Secondary School District | Ottawa Township High School District 140 (09 - 12) |
| Year | Tax Bill | Assessed Market Value |
|---|---|---|
| 2024 | Additional exemption filed | |
| 2020 | $11,268 Land $4,434 Building $6,834 |
Assessed market value is set for property tax purposes and is not a market price estimate.
FEMA maps place 511 Illinois Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 2 (40% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 4 (1984–2020) |
| Claims Outside the SFHA | 2 of 4 |
| Most Recent Claim | May 2020 · rainfall accumulation |
| 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.
Wildfire risk around 511 Illinois Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 94% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | OTTAWA serves 18,097 people · EPA ID IL0990800 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2025 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Water Quality | Radium resolved · Jul 2023 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 5 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 580 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Surf Internet Fiber | 1,000 / 1,000 |
| Mediacom Xtream Cable · Fixed Wireless · Fiber in parts of the area | 1,000 / 50 |
May also be available: AT&T, Verizon.
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