Black Hawk County property record for 309 Williston Ave, Waterloo, IA 50702
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,140 sqft · built 1908 |
| Lot Size | 0.073 acres (3,200 sqft) |
| Owner | Company Name on Record |
| Last Sale | $78,335 (Jun 2012) |
| Tax Bill | $1,392 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-26-362-012 |
| Primary APN | 8913-26-362-012 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,140 sqft Living Area |
| 1st Floor Area | 616 sqft |
| Basement Area | 616 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1908 |
| Exterior Material | Other |
| Construction Type | Frame |
| Foundation Type | Block |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,200 sqft (0.073 acres) |
| Lot Dimensions | 80 ft deep x 40 ft wide |
| Garage Type | Detached |
| Garage Area | 192 sqft |
| Porch | Slab |
| Porch Area | 184 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 309 WILLISTON AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50702-2933 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WOODBINE ADDITION LOT 9 BLK 1 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 26 |
| Legal Subdivision | WOODBINE ADDITION |
| Legal Block | 1 |
| Legal Lot Number | 9 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1034 |
| Census Tract | 200 |
Source: Black Hawk County records, as of October 9, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 2005, WATERLOO, IA 50704-2005 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 13, 2012 · Amount on Record |
| Deed Sale | Jun 13, 2012 · Amount on Record |
| Prior Sale | Jun 12, 2009 · Amount on Record |
| Deed Document Number | 201223365 |
| Prior Transfer Date | May 30, 2012 |
| Prior Transfer Doc | 2012023365 |
| Record Updated | Oct 29, 2026 |
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 | $1,392.00 (+5.61%) | $68,240 (+12.29%) Land $6,840 Building $61,400 | $68,240 (+12.29%) Land $6,840 Building $61,400 |
| 2024 | $1,318.00 (-13.52%) | ||
| 2023 | $60,770 (+12.58%) Land $6,840 Building $53,930 | $60,770 (+12.58%) Land $6,840 Building $53,930 | |
| 2022 | $1,524.00 | $53,980 Land $6,840 Building $47,140 | |
| 2021 | $53,980 Land $6,840 Building $47,140 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 Policies | 3 in force |
| Nearby Flood Claims | 1 (1980) |
| Most Recent Claim | Jul 1980 · 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.
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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