Waukesha County property record for 921 Oak St, Delafield, WI 53018
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,594 sqft · built 1952 |
| Lot Size | 0.39 acres (16,988 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,986 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | DELC-0787-034 |
| Primary APN | DELC-0787-034 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| 1st Floor Area | 1,592 sqft |
| Basement Area | 1,592 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 16,988 sqft (0.39 acres) |
| Lot Dimensions | 171 ft deep x 100 ft wide |
| Garage Type | Detached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Sewer | Connected |
|---|---|
| Water Source | Well |
| Street Address | 921 OAK ST |
|---|---|
| City | DELAFIELD |
| State | WI |
| Zip | 53018-1646 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 9 NAGAWICKA LAKE HOMESITES PT SW1/4 SEC 17 T7N R18E DOC# 3786320 |
| Legal Range | 18E |
| Legal Township | 7N |
| Legal Section | 17 |
| Legal Subdivision | NAGAWICKA LAKE HOMESITES |
| Legal Lot Number | 9 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | DELAFIELD |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 203704 |
Source: Waukesha County records, as of June 23, 2026
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 | 921 OAK ST, DELAFIELD, WI 53018-1646 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Oct 20, 2010 |
| Transfer Doc | 0003786320 |
| Record Updated | Sep 20, 2026 |
Source: Waukesha County assessment roll, as of June 23, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Waukesha County |
| Municipality | Delafield City |
| Unified School District | Kettle Moraine School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,986.00 (+4.92%) | $377,400 (+33.83%) Land $129,800 Building $247,600 | $391,900 (+11.56%) |
| 2023 | $3,799.00 Homeowner's exemption | $282,000 Land $98,300 Building $183,700 | $351,300 |
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 October 19, 2025 · 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 Claims | 5 (1993–2011) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | May 2011 · other causes |
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 80% of the US · above 57% 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 | DELAFIELD SQUARE private · serves 587 people · EPA ID WI2685812 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2024 |
| Lead | 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 133 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Bertram Communications.
5G (outdoors only) and 4G LTE
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