Jefferson County property record for 340 Knowlton St, Waterloo, WI 53594
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.208 acres (9,104 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $112,900 (Jan 2000) |
| Tax Bill | $3,287 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 290-0813-0714-069 |
| Primary APN | 290-0813-0714-069 |
|---|
| Lot Area | 9,104 sqft (0.208 acres) |
|---|---|
| Lot Dimensions | 120 ft deep x 76 ft wide |
| Street Address | 340 KNOWLTON ST |
|---|---|
| City | WATERLOO |
| State | WI |
| Zip | 53594-1421 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BEG AT NW/C OF OUT LOT 139, E76FT, S120FT, W76FT, N120FT TO POB |
| Legal Range | 13E |
| Legal Township | 08N |
| Legal Section | 07 |
| Legal Quarter | NE |
| Quarter-Quarter Section | SE |
| Legal Subdivision | ASSESSORS CITY/WATERLOO |
| Legal Lot Number | 139 |
| Jurisdiction | JEFFERSON WI |
| Township / Civil Division | WATERLOO |
| Census Block Group | 1 |
| Census Block | 1035 |
| Census Tract | 100400 |
Source: Jefferson County records, as of February 16, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 340 KNOWLTON ST, WATERLOO, WI 53594-1421 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 28, 2000 · Amount on Record |
| Deed Sale | Jan 28, 2000 · Amount on Record |
| Deed Document Number | 1150660 |
| Record Updated | Jun 8, 2026 |
Source: Jefferson County assessment roll, as of May 31, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Jefferson County |
| Municipality | Waterloo City |
| Unified School District | Waterloo School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,287.00 (+17.98%) Homeowner's exemption | $179,400 (+28.33%) Land $38,500 Building $140,900 | $198,000 |
| 2023 | $2,786.00 Homeowner's exemption | $139,800 Land $32,500 Building $107,300 |
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 November 5, 2020 · 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 Policies | 1 in force |
| Nearby Flood Claims | 11 (1979–2008) |
| Claims Outside the SFHA | 1 of 11 |
| Most Recent Claim | Jun 2008 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
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 | Low lower than 98% of the US · lower than 94% of Wisconsin |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 WATERWORKS serves 3,520 people · EPA ID WI1280115 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2023 |
| Lead | 1 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line replacement Oct 2019 Lead public education Jan 2018 |
| Monitoring and Reporting | 1 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 59 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 35 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Netwurx.
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