Black Hawk County property record for 257 Madison St, Waterloo, IA 50703
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 816 sqft · built 1950 |
| Lot Size | 0.043 acres (1,870 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,090 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8912-30-126-035 |
| Primary APN | 8912-30-126-035 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 816 sqft Living Area |
| 1st Floor Area | 408 sqft |
| Basement Area | 408 sqft |
| Unfinished Basement | 408 sqft |
| Game Room | Game Room |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 1,870 sqft (0.043 acres) |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 257 MADISON ST |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50703-4239 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | MADISON STREET CONDOMINIUMS UNIT 257 |
| Legal Range | 12W |
| Legal Township | 89N |
| Legal Section | 30 |
| Legal Subdivision | MADISON STREET CONDOMINIUMS |
| Legal Lot Number | 257 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 1900 |
Source: Black Hawk County assessment roll, as of October 17, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2501 FALLS AVE, WATERLOO, IA 50701-5719 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 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 | $1,090.00 | $50,260 (-) Land $1,850 Building $48,410 | $50,260 (-) Land $1,850 Building $48,410 |
| 2024 | $1,090.00 (+24.15%) | ||
| 2023 | $50,260 (+25.71%) Land $1,850 Building $48,410 | $50,260 (+25.71%) Land $1,850 Building $48,410 | |
| 2022 | $878.00 | $39,980 Land $1,680 Building $38,300 | |
| 2021 | $39,980 Land $1,680 Building $38,300 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 | 7 (1979) |
| Most Recent Claim | Apr 1979 · 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 | 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 |
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 349 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Waterloo Telecommunications Utility Fiber | 10,000 / 10,000 |
| Mediacom Communications Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AMG Technology Investment Group, LTD Broadband, Metronet Holdings.
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