Waukesha County property record for 331 Summit Ave, Oconomowoc, WI 53066
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,064 sqft |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $135,000 (Oct 2015) |
| Tax Bill | $2,547 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | OCOC-0590-099 |
| Primary APN | OCOC-0590-099 |
|---|
| Lot Area | 6,970 sqft (0.16 acres) |
|---|
| Street Address | 331 SUMMIT AVE |
|---|---|
| City | OCONOMOWOC |
| State | WI |
| Zip | 53066-3748 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT LOT 9 WESTOVERS PLAT THE SUMMIT ADDITION TO THE VILLAGE OF OCONOMOWOC PT NW1/4 SEC 4 T7N R17E; COM ELY COR LAND DESC IN VOL 35/51 DEEDS; SWLY 128.04 FT; NWLY 55.9 FT; NELY 128.04 FT; SELY 55.9 FT TO BGN :: DOC# 4172551 |
| Legal Range | 17E |
| Legal Township | 7N |
| Legal Section | 4 |
| Legal Subdivision | WESTOVERS PLAT THE SUMMIT ADDITION TO TH |
| Legal Lot Number | 9 |
| Jurisdiction | WAUKESHA WI |
| Township / Civil Division | OCONOMOWOC |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 204302 |
331 Summit Ave is owned by two individuals who bought it in October 2015.
Source: Waukesha County records, as of June 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1490 S CONCORD RD, OCONOMOWOC, WI 53066-6522 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Oct 19, 2015 · Amount on File |
| Deed Sale | Oct 19, 2015 · Amount on File |
| Deed Document Number | 20154172551 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAUKESHA WI |
| Property Address | 331 SUMMIT AVE, OCONOMOWOC, WI 53066-3748 |
| Transaction Type | Mortgage |
| Record Updated | Oct 20, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0004619568 |
|---|---|
| Date | Sep 23, 2021 |
| Instrument | 4619568 |
| Name | BANK FIVE NINE |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 1, 2051 |
| Rate Type | Fixed Rate |
|---|
The 2025 property tax bill for 331 Summit Ave was $2,547.
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 | $2,547.00 | $230,900 Land $54,600 Building $176,300 | $234,300 |
| 2023 | $2,380.00 | $197,000 Land $54,600 Building $142,400 | $205,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 331 Summit Ave 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 331 Summit Ave is low, with less than 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 98% of the US · lower than 94% of Wisconsin |
|---|---|
| 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 | 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 421 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 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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