Black Hawk County property record for 720 Knoll Ave, Waterloo, IA 50701
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,368 sqft · built 1953 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,532 (2025) |
| Deeds & Mortgages | Jul 2026 Line of Credit |
| Flood Zone | Zone X (reduced by levee) |
| APN | 8913-22-334-023 |
| Primary APN | 8913-22-334-023 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,368 sqft Living Area |
| 1st Floor Area | 720 sqft |
| Basement Area | 720 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,000 sqft (0.23 acres) |
| Lot Dimensions | 125 ft deep x 80 ft wide |
| Garage Type | Detached |
| Garage Area | 800 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 720 KNOLL AVE |
|---|---|
| City | WATERLOO |
| State | IA |
| Zip | 50701-6121 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GALLOWAY ADDITION WATERLOO LOT 286 LOT 287 |
| Legal Range | 13W |
| Legal Township | 89N |
| Legal Section | 22 |
| Legal Subdivision | GALLOWAY ADDITION WATERLOO |
| Legal Lot Number | 286,287 |
| Jurisdiction | BLACK HAWK IA |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1028 |
| Census Tract | 400 |
720 Knoll Ave is owned and occupied by two individuals.
Source: Black Hawk County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 720 KNOLL AVE, WATERLOO, IA 50701-6121 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BLACK HAWK IA |
| Recording Date | Jul 20, 2026 |
| Property Address | 720 KNOLL AVE, WATERLOO, IA 50701-6121 |
| Document Number | 0000010845 |
| Instrument Date | Jul 11, 2026 |
| Instrument | 202610845 |
| Transaction Type | Mortgage |
| Record Updated | Jul 24, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Address | 720 KNOLL AVE, WATERLOO, IA 50701-6121 |
| Document Number | 0000010845, |
|---|---|
| Date | Jul 20, 2026 |
| Instrument | 202610845 |
| Name | UNION CREDIT UNION |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Jul 25, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.52% |
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
The 2025 property tax bill for 720 Knoll Ave was $3,532 with a homeowner's exemption, up 15.3% 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 | $3,532.00 (+15.27%) Homeowner's exemption | $183,960 Land $20,180 Building $163,780 | $183,960 Land $20,180 Building $163,780 |
| 2024 | $3,064.00 | ||
| 2023 | $151,460 (+28.32%) Land $20,180 Building $131,280 | $151,460 Land $20,180 Building $131,280 | |
| 2022 | $2,398.00 Homeowner's exemption | $118,030 Land $20,180 Building $97,850 | |
| 2021 | $118,030 Land $20,180 Building $97,850 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 720 Knoll Ave in Zone X, where a levee reduces flood risk.
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 | 3 in force |
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 720 Knoll 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 625 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Metronet Fiber | 5,120 / 5,120 |
| Mediacom Xtream Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GigFire, Nextlink.
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