Black Hawk County property record for 312 Polk St, Waterloo, IA 50703
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 768 sqft · built 1955 |
| Lot Size | 0.143 acres (6,250 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,584 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8912-30-134-003 |
| Primary APN | 8912-30-134-003 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 768 sqft Living Area |
| 1st Floor Area | 768 sqft |
| Basement Area | 768 sqft |
| Finished Basement | 550 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 | 6,250 sqft (0.143 acres) |
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 576 sqft |
| Patio Area | 144 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 312 POLK ST |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50703-4310 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HILLSIDE ADDITION WATERLOO LOT 7 BLK 12 |
| Legal Range | 12W |
| Legal Township | 89N |
| Legal Section | 30 |
| Legal Subdivision | HILLSIDE ADDITION WATERLOO |
| Legal Block | 12 |
| Legal Lot Number | 7 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 3 |
| Census Block | 3011 |
| 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 | Individual Name on File |
|---|---|
| Mailing Address | 312 POLK ST, WATERLOO, IA 50703-4310 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| 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 | $1,584.00 | $102,700 (+40.68%) Land $5,340 Building $97,360 | $102,700 (+40.68%) Land $5,340 Building $97,360 |
| 2024 | $1,584.00 (+31.34%) | ||
| 2023 | $73,000 (+14.42%) Land $5,340 Building $67,660 | $73,000 (+14.42%) Land $5,340 Building $67,660 | |
| 2022 | $1,206.00 Homeowner's exemption | $63,800 Land $5,340 Building $58,460 | |
| 2021 | $63,800 Land $5,340 Building $58,460 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 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 571 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 |
May also be available: GigFire, Nextlink, Waterloo Fiber.
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