Waukesha County property record for 648 E Washington St, Oconomowoc, WI 53066
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,040 sqft |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $165,000 (Apr 2015) |
| Tax Bill | $3,850 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | OCOC-0561-423 |
| Primary APN | OCOC-0561-423 |
|---|
| Lot Area | 7,841 sqft (0.18 acres) |
|---|
| Street Address | 648 E WASHINGTON ST |
|---|---|
| City | OCONOMOWOC |
| State | WI |
| Zip | 53066-3108 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT W1/2 NE1/4 SEC 33 T8N R17E; COM 50 FT N OF N INTERSEC LOTS 29 & 30 BLK D OCONOMOWOC HEIGHTS; N 120 FT; W 66 FT; S 120 FT; E 66 FT TO BGN :: DOC# 4133695 |
| Legal Range | 17E |
| Legal Township | 8N |
| Legal Section | 33 |
| Legal Subdivision | OCONOMOWOC HEIGHTS |
| Legal Block | D |
| Legal Lot Number | 8 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | OCONOMOWOC |
| Census Block Group | 3 |
| Census Block | 3030 |
| Census Tract | 204301 |
648 E Washington St is owned and occupied by two individuals who bought it in April 2015.
Source: Waukesha County records, as of June 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 648 E WASHINGTON ST, OCONOMOWOC, WI 53066-3108 |
| 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 |
|---|---|
| Last Sale | Apr 3, 2015 · Amount on File |
| Deed Sale | Apr 3, 2015 · Amount on File |
| Deed Document Number | 20154133695 |
| Prior Transfer Date | Jun 22, 2010 |
| Prior Transfer Doc | 0003752428 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 648 E Washington St was $3,850.
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | Oconomowoc City |
| Unified School District | Oconomowoc Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,850.00 | $371,600 Land $59,500 Building $312,100 | $377,100 |
| 2023 | $3,418.00 Homeowner's exemption | $306,600 Land $59,500 Building $247,100 | $320,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 648 E Washington St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 19, 2025
| 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.
Wildfire risk around 648 E Washington St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 90% of Wisconsin |
|---|---|
| Wildfire Likelihood | 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 | OCONOMOWOC WATERWORKS serves 15,805 people · EPA ID WI2680227 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2025 |
| Lead | 7 ppb (2023) 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 259 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 50 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures