LaSalle County property record for 401 Thompson St, Ottawa, IL 61350
| Property Type | Single Family Home |
|---|---|
| Details | 718 sqft · built 1948 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Individual Name on File |
| Last Sale | $96,000 (Jan 2007) |
| Tax Bill | $3,238 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 22-14-426-008 |
| Primary APN | 22-14-426-008 |
|---|---|
| Alternative APN |
|
| Plumbing Fixtures | 5 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 718 sqft Total Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 7,841 sqft (0.18 acres) |
| Street Address | 401 THOMPSON ST |
|---|---|
| City | OTTAWA |
| State | IL |
| Zip | 61350-4335 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | COLLEGE HILL SUB OF LTS 4-5-6 & 10 SE1/4 SEC 14-33-3, LT 8 BLK 6 |
| Legal Range | 03 |
| Legal Township | 33 |
| Legal Section | 14 |
| Legal Subdivision | COLLEGE HILL SUB |
| Legal Block | 6 |
| Legal Lot Number | 4-8 |
| Jurisdiction | LASALLE IL |
| Township / Civil Division | SOUTH OTTAWA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 963500 |
401 Thompson St is owned and occupied by an individual who bought it in January 2007.
Source: LaSalle County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 401 THOMPSON ST, OTTAWA, IL 61350-4335 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Jan 30, 2007 · Amount on File |
| Deed Sale | Jan 30, 2007 · Amount on File |
| Deed Document Number | 20072372 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 401 Thompson St was $3,238, up 7.4% from the year before.
Source: LaSalle County assessment roll, as of June 29, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | LaSalle County |
| County Subdivision | South 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 Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,238.00 (+7.4%) | $38,156 Land $8,884 Building $29,272 | $114,468 Land $26,652 Building $87,816 |
| 2024 | $3,015.00 | ||
| 2023 | $32,341 (+9.53%) Land $7,530 Building $24,811 | $97,023 (+9.53%) Land $22,590 Building $74,433 | |
| 2022 | $29,527 Land $7,061 Building $22,466 | $88,581 Land $21,183 Building $67,398 |
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 401 Thompson St in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 2 (40% premium discount) |
| Nearby Flood Policies | 1 in force |
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 401 Thompson St 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 94% of the US · lower than 61% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 527 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T.
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