Black Hawk County property record for 620 Keystone St, Waterloo, IA 50703
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 812 sqft · built 1955 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,824 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-12-380-008 |
| Primary APN | 8913-12-380-008 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 812 sqft Living Area |
| 1st Floor Area | 812 sqft |
| Basement Area | 812 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,200 sqft (0.165 acres) |
| Lot Dimensions | 120 ft deep x 60 ft wide |
| Garage Type | Detached |
| Garage Area | 396 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 308 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 620 KEYSTONE ST |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50703-1526 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HOLLINGSWORTH ADDITION LOT 15 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 12 |
| Legal Subdivision | HOLLINGSWORTH ADDITION |
| Legal Lot Number | 15 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 1702 |
620 Keystone St, a single family home, is owned by an individual.
Source: Black Hawk County records, as of September 1, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1920 IDAHO ST, EVANSDALE, IA 50707-2260 |
| 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 620 Keystone St was $1,824, up 21% 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 | $1,824.00 (+20.95%) | $89,390 Land $9,980 Building $79,410 | $89,390 Land $9,980 Building $79,410 |
| 2024 | $1,508.00 | ||
| 2023 | $69,530 (+26.12%) Land $9,980 Building $59,550 | $69,530 Land $9,980 Building $59,550 | |
| 2022 | $1,210.00 | $55,130 Land $9,980 Building $45,150 | |
| 2021 | $55,130 Land $9,980 Building $45,150 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 620 Keystone St 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.
Wildfire risk around 620 Keystone St 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 98% of the US · lower than 82% 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 141 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 |
| Verizon Fixed Wireless | 300 / 20 |
| GigFire Fixed Wireless | 150 / 130 |
| T-Mobile Fixed Wireless | 100 / 20 |
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