339 Summit Ave, Oconomowoc, WI 53066 Property Records

Waukesha County property record for 339 Summit Ave, Oconomowoc, WI 53066

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.5 ba · 1,764 sqft
Lot Size	0.35 acres (15,246 sqft)
Owner	2 Individual Names on File
Last Sale	$376,000 (Jun 2024)
Tax Bill	$3,895 (2025)
Deeds & Mortgages	Jun 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`OCOC-0590-098`

Property Details

APN / Parcel Number

Primary APN	`OCOC-0590-098`

Exterior

Lot Area	15,246 sqft (0.35 acres)

Location & Zoning

Street Address	339 SUMMIT AVE
City	OCONOMOWOC
State	WI
Zip	53066-3748
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 8 WESTOVERS PLAT THE SUMMIT ADDITION TO THE VILLAGE OF OCONOMOWOC PT NW1/4 SEC 4 T7N R17E
Legal Range	17E
Legal Township	7N
Legal Section	4
Legal Subdivision	WESTOVERS PLAT THE SUMMIT ADDITION TO TH
Legal Lot Number	8
Jurisdiction	WAUKESHA WI
Township / Civil Division	OCONOMOWOC
Census Block Group	3
Census Block	3002
Census Tract	204302

Owner

339 Summit Ave is owned and occupied by two individuals who bought it in June 2024.

Source: Waukesha County records, as of June 23, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	339 SUMMIT AVE, OCONOMOWOC, WI 53066-3748
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 11, 2024 · Amount on File
Deed Sale	Jun 11, 2024 · Amount on File
Prior Sale	Jun 14, 2001 · Amount on File
Deed Document Number	20244770114
Record Updated	Oct 29, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	339 SUMMIT AVE, OCONOMOWOC, WI 53066-3748
Document Number	0004487424
Instrument Date	Jun 22, 2020
Transaction Type	Mortgage
Record Updated	Aug 13, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	339 SUMMIT AVE OCONOMOWOC WI 530663748, OCONOMOWOC, WI 53066-3748

Mortgage

Document Number	0004487424
Date	Jun 26, 2020
Instrument	4487424

Lender

Name	LANDMARK CU
Type	Credit Union
Address	NEW BERLIN, WI 53151

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jun 25, 2035

Tax Assessment & Valuation

The 2025 property tax bill for 339 Summit Ave was $3,895.

Source: Waukesha County assessment roll, as of June 23, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	Waukesha County
Municipality	Oconomowoc City
Unified School District	Oconomowoc Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,895.00	$376,000 Land $80,400 Building $295,600	$381,600
2023	$3,667.00 Homeowner's exemption	$328,600 Land $80,400 Building $248,200	$342,900

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 339 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

Wildfire risk around 339 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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