Boone County property record for 818 Warren Ave, Belvidere, IL 61008
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,926 sqft · built 1900 |
| Lot Size | 0.217 acres (9,450 sqft) |
| Owner | Individual Name on File |
| Last Sale | $112,500 (Jun 2005) |
| Tax Bill | $3,608 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-36-135-007 |
| Primary APN | 05-36-135-007 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,926 sqft Living Area |
| Gross Area | 2,834 sqft |
| 1st Floor Area | 2,834 sqft |
| Basement Area | 908 sqft |
| Unfinished Basement | 908 sqft |
| Family Room | Family Room |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1935 |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 9,450 sqft (0.217 acres) |
| Lot Dimensions | 126 ft deep x 75 ft wide |
| Garage Area | 384 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 05-05-36-135-007 |
|---|---|
| Street Address | 818 WARREN AVE |
| City | BELVIDERE |
| State | IL |
| Zip | 61008-4458 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 36-44-3 S 25' OF LT 11 & ALL OF LT 10 BLK 4 ROWAN BROS ADD 818 WARR N AVE |
| Legal Subdivision | ROWAN BROS ADD |
| Legal Block | 4 |
| Legal Lot Number | 11,10 |
| Jurisdiction | BOONE IL |
| Township / Civil Division | BELVIDERE |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 10200 |
818 Warren Ave is owned and occupied by an individual who bought it in June 2005.
Source: Boone County records, as of June 30, 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 | Individual Name on File |
|---|---|
| Mailing Address | 818 WARREN AVE, BELVIDERE, IL 61008-4458 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 28, 2005 · Amount on File |
| Deed Sale | Jun 28, 2005 · Amount on File |
| Deed Document Number | 20057301 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 818 Warren Ave was $3,608 with a homeowner's exemption.
Source: Boone County assessment roll, as of June 30, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Boone County |
| County Subdivision | Belvidere Township |
| Municipality | Belvidere City |
| Unified School District | Belvidere Consolidated Unit School District 100 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,608.00 Homeowner's exemption | $51,309 (+43.64%) Land $4,281 Building $47,028 | $153,927 (+43.64%) Land $12,843 Building $141,084 |
| 2024 | $35,720 Land $4,281 Building $31,439 | $107,160 Land $12,843 Building $94,317 | |
| 2022 | $2,556.00 | $31,154 Land $6,564 Building $24,590 | $93,462 Land $19,692 Building $73,770 |
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 818 Warren Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2009.
Source: FEMA National Flood Hazard Layer, effective February 18, 2011 · 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 Policies | 2 in force |
| Nearby Flood Claims | 3 (2009–2016) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Jul 2016 · rainfall accumulation |
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 818 Warren 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 | BELVIDERE serves 25,339 people · EPA ID IL0070050 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2026 |
| Lead | 2 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 630 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures