Black Hawk County property record for 402 Denver St, Waterloo, IA 50701
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2.5 ba · 2,224 sqft · built 1898 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | Company Name on File |
| Last Sale | $68,588 (Aug 2014) |
| Tax Bill | $1,104 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-26-353-001 |
| Primary APN | 8913-26-353-001 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,224 sqft Total Area |
| 1st Floor Area | 1,112 sqft |
| Attic | Attic |
| Attic Area | 490 sqft |
| Basement Area | 1,112 sqft |
| Finished Basement | 200 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1898 |
|---|---|
| Effective Year Built | Effective 1898 |
| Architectural Style | Duplex Single |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 8,400 sqft (0.193 acres) |
| Lot Dimensions | 140 ft deep x 60 ft wide |
| Porch | Slab |
| Porch Area | 1,025 sqft |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 402 DENVER ST |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50701-2726 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | WHITNEY AND SEDGWICKS ADDITION LOT 6 BLK 12 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 26 |
| Legal Subdivision | WHITNEY AND SEDGWICKS ADDITION |
| Legal Block | 12 |
| Legal Lot Number | 6 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 300 |
402 Denver St, a duplex, is owned by a company that bought it in August 2014.
Source: Black Hawk County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 861, WATERLOO, IA 50704-0861 |
| Owner Type | Company |
| Vesting | Company |
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 |
|---|---|
| Last Sale | Aug 28, 2014 · Amount on File |
| Deed Sale | Aug 28, 2014 · Amount on File |
| Prior Sale | Oct 1, 2007 · Amount on File |
| Deed Document Number | 2014201500003841 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 402 Denver St was $1,104, up 6.8% 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 | $1,104.00 (+6.77%) | $54,050 Land $8,100 Building $45,950 | $54,050 Land $8,100 Building $45,950 |
| 2024 | $1,034.00 | ||
| 2023 | $47,690 (+15.28%) Land $8,100 Building $39,590 | $47,690 Land $8,100 Building $39,590 | |
| 2022 | $1,005.00 | $41,370 Land $8,100 Building $33,270 | |
| 2021 | $41,370 Land $8,100 Building $33,270 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 402 Denver St 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.
The area around 402 Denver St has no burnable land within ember reach, so its wildfire risk is not rated.
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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