Black Hawk County property record for 122 Williston Ave, Waterloo, IA 50702
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,344 sqft · built 1924 |
| Lot Size | 0.117 acres (5,080 sqft) |
| Owner | Company Name on File |
| Last Sale | $81,001 (Oct 2015) |
| Tax Bill | $2,332 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-35-101-006 |
| Primary APN | 8913-35-101-006 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,344 sqft Living Area |
| 1st Floor Area | 624 sqft |
| Basement Area | 624 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Exterior Material | Aluminum Siding |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,080 sqft (0.117 acres) |
| Lot Dimensions | 127 ft deep x 40 ft wide |
| Garage Type | Detached |
| Garage Area | 768 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Porch Area | 40 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 122 WILLISTON AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50702-2930 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BROWN HALL ADDITION LOT 6 BLK 1 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 35 |
| Legal Subdivision | BROWN HALL ADDITION |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 1100 |
122 Williston Ave is owned by a company that bought it in October 2015.
Source: Black Hawk County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 538, WATERLOO, IA 50704-0538 |
| 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 | Oct 22, 2015 · Amount on File |
| Deed Sale | Oct 22, 2015 · Amount on File |
| Deed Document Number | 20152016-00007752 |
| Prior Transfer Date | Mar 4, 2014 |
| Prior Transfer Doc | 2014015985 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 122 Williston Ave was $2,332, up 0.8% 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 | $2,332.00 (+0.78%) | $114,230 Land $12,610 Building $101,620 | $114,230 Land $12,610 Building $101,620 |
| 2024 | $2,314.00 | ||
| 2023 | $106,660 (+25.39%) Land $12,610 Building $94,050 | $106,660 Land $12,610 Building $94,050 | |
| 2022 | $1,868.00 | $85,060 Land $12,610 Building $72,450 | |
| 2021 | $85,060 Land $12,610 Building $72,450 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 122 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 122 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 541 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GigFire, Nextlink, T-Mobile, Verizon.
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