LaSalle County property record for 511 Arch St, Ottawa, IL 61350 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1,200 sqft · built 1966 |
| Lot Size | 0.19 acres (8,276 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,809 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 22-13-312-019 |
| Primary APN | 22-13-312-019 |
|---|---|
| Alternative APN |
|
| Plumbing Fixtures | 5 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 1,200 sqft Total Area |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Lot Area | 8,276 sqft (0.19 acres) |
| Street Address | 511 ARCH ST |
|---|---|
| City | OTTAWA |
| State | IL |
| Zip | 61350-4510 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MASONS 2ND ADD, E1/2 LTS 2 & 3 & W10' LT 1 BLK 9 SEC 13-33-3 |
| Legal Range | 03 |
| Legal Township | 33 |
| Legal Section | 13 |
| Legal Subdivision | MASONS 2ND ADD |
| Legal Block | 9 |
| Legal Lot Number | 2-1 |
| Jurisdiction | LASALLE IL |
| Township / Civil Division | SOUTH OTTAWA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 963500 |
Source: LaSalle County records · APN 22-13-312-019
Assessment roll updated June 29, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 511 ARCH ST, OTTAWA, IL 61350-4510 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Dec 20, 2024 |
| Transfer Doc | 0202413958 |
| Record Updated | Sep 20, 2026 |
Source: LaSalle County records · Assessment roll updated June 29, 2026 · Last verified August 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,809.00 (+7.45%) | $68,682 (+17.98%) Land $8,149 Building $60,533 | $206,046 (+17.98%) Land $24,447 Building $181,599 |
| 2024 | $5,406.00 | ||
| 2023 | $58,214 (+9.53%) Land $6,907 Building $51,307 | $174,642 (+9.53%) Land $20,721 Building $153,921 | |
| 2022 | $53,149 Land $7,333 Building $45,816 | $159,447 Land $21,999 Building $137,448 |
Source: FEMA National Flood Hazard Layer, LaSalle County (17099C), updated March 29, 2024 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 170999635001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 2 (40% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 301 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Mediacom Communications | Cable | 1,000 / 50 |
| Verizon | Fixed Wireless | 300 / 20 |
| Mediacom Communications | Fixed Wireless | 100 / 20 |
May also be available at this address: Surf Air Wireless, Mediacom Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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