Black Hawk County property record for 633 Stephan Ave, Waterloo, IA 50701
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,040 sqft · built 1954 |
| Lot Size | 0.199 acres (8,680 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,452 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-21-407-011 |
| Primary APN | 8913-21-407-011 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,040 sqft Living Area |
| 1st Floor Area | 1,040 sqft |
| Basement Area | 1,040 sqft |
| Finished Basement | 450 sqft |
| Game Room | Game Room |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 8,680 sqft (0.199 acres) |
| Lot Dimensions | 124 ft deep x 70 ft wide |
| Garage Type | Detached |
| Garage Area | 308 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
|---|---|
| Porch Area | 528 sqft |
| Deck Area | 105 sqft |
| Patio Area | 329 sqft |
| Shed | 1 Shed |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 633 STEPHAN AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50701-2035 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HANSEN NOBLE ADDITION LOT 59 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 21 |
| Legal Subdivision | HANSEN NOBLE ADDITION |
| Legal Lot Number | 59 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 1503 |
633 Stephan Ave is owned and occupied by an individual.
Source: Black Hawk County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 633 STEPHAN AVE, WATERLOO, IA 50701-2035 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 633 Stephan Ave was $3,452, down 6.9% 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 | $3,452.00 (-6.9%) | $169,130 Land $21,840 Building $147,290 | $169,130 Land $21,840 Building $147,290 |
| 2024 | $3,708.00 | ||
| 2023 | $170,930 (+24.77%) Land $21,840 Building $149,090 | $170,930 Land $21,840 Building $149,090 | |
| 2022 | $3,008.00 | $137,000 Land $21,840 Building $115,160 | |
| 2021 | $137,000 Land $21,840 Building $115,160 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 633 Stephan Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 633 Stephan Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 91% of Iowa |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 407 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Metronet Fiber | 5,120 / 5,120 |
| Mediacom Xtream Cable | 1,000 / 50 |
| CenturyLink DSL | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GigFire, Nextlink, Verizon.
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