Black Hawk County property record for 521 E Park Ave, Waterloo, IA 50703
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 3,085 sqft · built 1902 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,488 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 8913-24-352-005 |
| Primary APN | 8913-24-352-005 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,085 sqft Living Area |
| 1st Floor Area | 1,272 sqft |
| Attic | Attic |
| Attic Area | 445 sqft |
| Basement Area | 1,328 sqft |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Year Built | Built 1902 |
|---|---|
| Effective Year Built | Effective 1902 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 574 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 226 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 521 E PARK AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50703-3530 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | COOLEY ADDITION SW 10 FT SE 100 FT LOT 1 BLK 62 NE 40 FT SE 100 FT LOT 4 BLK 62 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 24 |
| Legal Subdivision | COOLEY ADDITION |
| Legal Block | 62 |
| Legal Lot Number | 1,4 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Walnut Street Historic District listed 2019 · 90 contributing resources · NRIS 100004414 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
521 E Park Ave 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 | 521 E PARK AVE, WATERLOO, IA 50703-3530 |
| 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 521 E Park Ave was $2,488 with a homeowner's exemption, up 38.4% 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 | $2,488.00 (+38.38%) Homeowner's exemption | $147,360 Land $5,500 Building $141,860 | $147,360 Land $5,500 Building $141,860 |
| 2024 | $1,798.00 | ||
| 2023 | $106,830 (+12%) Land $5,500 Building $101,330 | $106,830 Land $5,500 Building $101,330 | |
| 2022 | $1,900.00 Homeowner's exemption | $95,380 Land $5,500 Building $89,880 | |
| 2021 | $95,380 Land $5,500 Building $89,880 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 521 E Park Ave in Zone X, where a levee reduces flood risk, though there have been 2 flood claims nearby since 1978.
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 2 (1978–1991) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | May 1991 · river or lake flooding |
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.
The area around 521 E Park Ave 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 186 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GigFire, Nextlink.
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