Black Hawk County property record for 308 Walnut St, Waterloo, IA 50703
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 3 ba · 1,886 sqft · built 1897 |
| Lot Size | 0.104 acres (4,560 sqft) |
| Owner | Company Name on Record |
| Last Sale | $67,500 (Sep 1990) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 8913-24-312-003 |
| Primary APN | 8913-24-312-003 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,886 sqft Living Area |
| 1st Floor Area | 943 sqft |
| Basement Area | 943 sqft |
| Flooring | Combination, Other |
| Interior Walls | Plaster |
| Year Built | Built 1897 |
|---|---|
| Architectural Style | A-Frame |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Foundation Type | Stone |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 4,560 sqft (0.104 acres) |
| Lot Dimensions | 120 ft deep x 38 ft wide |
| Porch | Open Porch |
| Porch Area | 310 sqft |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 308 WALNUT ST |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50703-3815 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | COOLEY ADDITION SE 1/4 LOTS 2 AND 3 BLK 63 |
| Legal Range | 13 |
| Legal Township | 89 |
| Legal Section | 24 |
| Legal Subdivision | COOLEY ADDITION |
| Legal Block | 63 |
| Legal Lot Number | 2,3 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 2 |
| Census Block | 2011 |
| 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.
Source: Black Hawk County records, as of October 16, 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 Record |
|---|---|
| Mailing Address | 306 WALNUT ST, WATERLOO, IA 50703-3815 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 29, 1990 · Amount on Record |
| Deed Sale | Sep 29, 1990 · Amount on Record |
| Deed Document Number | 0000293223 |
| Record Updated | Jun 8, 2026 |
Source: Black Hawk County assessment roll, as of May 1, 2025
| Type | Name |
|---|---|
| State | Iowa |
| County | Black Hawk County |
| Municipality | Waterloo City |
| Unified School District | Waterloo Community School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $156,700 (+61.78%) Land $4,510 Building $152,190 | $156,700 (+61.78%) Land $4,510 Building $152,190 |
| 2023 | $96,860 | $96,860 |
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 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.
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 279 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, T-Mobile.
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