Williams County property record for 4809 Knoll Ave, Williston, ND 58801
| Property Type | Single Family Home |
|---|---|
| Lot Size | 1.3 acres (56,628 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,351 (2025) |
| APN | 51-154-02-55-01-250 |
| Primary APN | 51-154-02-55-01-250 |
|---|
| Lot Area | 56,628 sqft (1.3 acres) |
|---|
| Street Address | 4809 KNOLL AVE |
|---|---|
| City | WILLISTON |
| State | ND |
| Zip | 58801-8726 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | JUDSON TWP THE BLUFFS L 25 B 1 |
| Legal Subdivision | THE BLUFFS |
| Legal Block | 1 |
| Legal Lot Number | 25 |
| Jurisdiction | WILLIAMS ND |
| Township / Civil Division | JUDSON |
| Census Block Group | 2 |
| Census Block | 2102 |
| Census Tract | 953500 |
Source: Williams County records, as of January 23, 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 Record |
|---|---|
| Mailing Address | PO BOX 93, WILLISTON, ND 58802-0093 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 30, 2015 |
| Deed Sale | Jul 30, 2015 |
| Deed Document Number | 810567 |
| Record Updated | Jun 8, 2026 |
Source: Williams County assessment roll, as of April 1, 2025
| Type | Name |
|---|---|
| State | North Dakota |
| County | Williams County |
| County Subdivision | Judson Township |
| Unified School District | Williston Basin Public School District 7 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,351.00 (+13.62%) | $98,315 (+2.66%) Land $33,750 Building $64,565 | $196,630 (+2.66%) Land $67,500 Building $129,130 |
| 2023 | $1,189.00 | $95,765 Land $33,750 Building $62,015 | |
| 2021 | $191,530 Land $67,500 Building $124,030 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · above 78% of North Dakota |
|---|---|
| Wildfire Likelihood | 0.1% 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 | NORTHWEST RURAL WATER DISTRICT private · serves 5,102 people · EPA ID ND5301079 |
|---|---|
| Water Source | Purchased surface water from WESTERN AREA WATER SUPPLY AUTHORITY |
| Last State Inspection | Sep 2025 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 45 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Northwest Communications Fiber · DSL | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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