Black Hawk County property record for 1640 Cornwall Ave, Waterloo, IA 50702
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 976 sqft · built 1931 |
| Lot Size | 0.682 acres (29,700 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $3,452 (2025) |
| Deeds & Mortgages | Jun 2022 Second Mortgage Feb 2022 Second Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8913-36-328-030 |
| Primary APN | 8913-36-328-030 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 976 sqft Living Area |
| 1st Floor Area | 976 sqft |
| Basement Area | 976 sqft |
| Game Room | Game Room |
| Flooring | Carpet |
| Interior Walls | Plaster |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1931 |
|---|---|
| Effective Year Built | Effective 1931 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 29,700 sqft (0.682 acres) |
| Lot Dimensions | 300 ft deep x 99 ft wide |
| Garage Type | Detached |
| Garage Area | 1,536 sqft |
| Parking Spaces | 6 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 172 sqft |
| Patio Area | 32 sqft |
| Shed | 1 Shed |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 1640 CORNWALL AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50702-2637 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GOLDEN GARDENS ADDITION W 53.5 FT LOT 18 LOT 19 EXC THE W 26.75 FT THEREOF BLK 10 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 36 |
| Legal Subdivision | GOLDEN GARDENS ADDITION |
| Legal Block | 10 |
| Legal Lot Number | 18,19 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 1000 |
Source: Black Hawk County records, as of May 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 1640 CORNWALL AVE, WATERLOO, IA 50702-2637 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 2, 2022 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage UNITE CU |
| Feb 8, 2022 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage UNITE CU |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BLACK HAWK IA |
| Property Address | 1640 CORNWALL AVE, WATERLOO, IA 50702-2637 |
| Transaction Type | Mortgage |
| Record Updated | Jun 16, 2022 |
| Name | Verified Name |
|---|---|
| Address | 1640 CORNWALL AVE, WATERLOO, IA 50702-2637 |
| Document Number | 202200023355 |
|---|---|
| Date | Jun 2, 2022 |
| Instrument | 202200023355 |
| Name | UNITE CU |
|---|---|
| Type | Credit Union |
| Address | CEDAR FALLS, IA 50613 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 239 Months |
| Due | May 28, 2042 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BLACK HAWK IA |
| Property Address | 1640 CORNWALL AVE, WATERLOO, IA 50702-2637 |
| Transaction Type | Mortgage |
| Record Updated | Feb 21, 2022 |
| Name | Verified Name |
|---|---|
| Address | 1640 CORNWALL AVE, WATERLOO, IA 50702-2637 |
| Document Number | 202200016131 |
|---|---|
| Date | Feb 8, 2022 |
| Instrument | 202200016131 |
| Name | UNITE CU |
|---|---|
| Type | Credit Union |
| Address | CEDAR FALLS, IA 50613 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Feb 4, 2037 |
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 | $3,452.00 Homeowner's exemption | $180,600 (+6.64%) Land $37,420 Building $143,180 | $180,600 (+6.64%) Land $37,420 Building $143,180 |
| 2024 | $3,452.00 (+20.45%) | ||
| 2023 | $169,360 (+21.54%) Land $37,420 Building $131,940 | $169,360 (+21.54%) Land $37,420 Building $131,940 | |
| 2022 | $2,866.00 Homeowner's exemption | $139,340 Land $37,420 Building $101,920 | |
| 2021 | $139,340 Land $37,420 Building $101,920 |
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
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 82% of Iowa |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 479 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GigFire, Nextlink.
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