Black Hawk County property record for 220 Williston Ave, Waterloo, IA 50702
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 748 sqft · built 1921 |
| Lot Size | 0.12 acres (5,207 sqft) |
| Owner | Company Name on File |
| Last Sale | $4,953,331 (Nov 2014) |
| Tax Bill | $1,930 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-35-103-006 |
| Primary APN | 8913-35-103-006 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 748 sqft Living Area |
| 1st Floor Area | 748 sqft |
| Basement Area | 748 sqft |
| Game Room | Game Room |
| Flooring | Hardwood |
| Interior Walls | Plaster |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1921 |
| Exterior Material | Aluminum Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,207 sqft (0.12 acres) |
| Lot Dimensions | 127 ft deep x 41 ft wide |
| Garage Type | Detached |
| Garage Area | 560 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 144 sqft |
| Patio Area | 176 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 220 WILLISTON AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50702-2932 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BROWN HALL ADDITION LOT 6 BLK 3 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 35 |
| Legal Subdivision | BROWN HALL ADDITION |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 1100 |
220 Williston Ave is owned by a company that bought it in November 2014.
Source: Black Hawk County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 2005, WATERLOO, IA 50704-2005 |
| Owner Type | Company |
| Vesting | Company |
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 | Nov 12, 2014 · Amount on File |
| Deed Sale | Nov 12, 2014 · Amount on File |
| Deed Document Number | 2014201500008185 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 220 Williston Ave was $1,930, up 0.5% from the year before.
Source: Black Hawk County assessment roll, as of October 17, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Black Hawk County |
| Municipality | Waterloo City |
| Unified School District | Waterloo Community School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,930.00 (+0.52%) | $94,600 Land $12,930 Building $81,670 | $94,600 Land $12,930 Building $81,670 |
| 2024 | $1,920.00 | ||
| 2023 | $88,500 (+25.3%) Land $12,930 Building $75,570 | $88,500 Land $12,930 Building $75,570 | |
| 2022 | $1,552.00 | $70,630 Land $12,930 Building $57,700 | |
| 2021 | $70,630 Land $12,930 Building $57,700 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 220 Williston Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2010.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026 · 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 Claims | 1 (2010) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 2010 · Severe Storms, Flooding, And Tornadoes |
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 220 Williston 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 | WATERLOO WATER WORKS serves 69,504 people · EPA ID IA0790074 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2023 |
| Lead | 2 ppb (2025) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 734 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Waterloo Fiber Fiber | 10,000 / 10,000 |
| Metronet Fiber | 5,120 / 5,120 |
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
May also be available: GigFire, Nextlink, T-Mobile, Verizon.
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