Black Hawk County property record for 505 Keystone St, Waterloo, IA 50703
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 876 sqft · built 1955 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,528 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-12-378-036 |
| Primary APN | 8913-12-378-036 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 876 sqft Living Area |
| 1st Floor Area | 876 sqft |
| Basement Area | 876 sqft |
| Finished Basement | 530 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 | 384 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 206 sqft |
|---|---|
| Patio Area | 206 sqft |
| Shed | 1 Shed |
| Shed Area | 112 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 505 KEYSTONE ST |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50703-1523 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HOLLINGSWORTH ADDITION LOT 24 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 12 |
| Legal Subdivision | HOLLINGSWORTH ADDITION |
| Legal Lot Number | 24 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 1702 |
505 Keystone St 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 | 505 KEYSTONE ST, WATERLOO, IA 50703-1523 |
| 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 505 Keystone St was $1,528 with a homeowner's exemption, up 30.8% 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 | $1,528.00 (+30.82%) Homeowner's exemption | $100,370 Land $9,980 Building $90,390 | $100,370 Land $9,980 Building $90,390 |
| 2024 | $1,168.00 | ||
| 2023 | $77,770 (+26.81%) Land $9,980 Building $67,790 | $77,770 Land $9,980 Building $67,790 | |
| 2022 | $1,152.00 Homeowner's exemption | $61,330 Land $9,980 Building $51,350 | |
| 2021 | $61,330 Land $9,980 Building $51,350 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 505 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 505 Keystone St is low, with 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 94% of the US · lower than 65% of Iowa |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 226 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Metronet Fiber | 5,120 / 5,120 |
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GigFire, Nextlink, T-Mobile.
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