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850 Summit Ave, Oconomowoc, WI 53066 Property Records

Waukesha County property record for 850 Summit Ave, Oconomowoc, WI 53066

Property Summary

Property TypeCommercial
Details4 bd · 2.5 ba · 5,868 sqft
Lot Size1 acre (43,560 sqft)
OwnerCompany Name on File
Last Sale$550,000 (May 2009)
Tax Bill$7,890 (2025)
Deeds & MortgagesDec 2020 Sale
Flood ZoneZone X (minimal risk)
APNOCOC-0589-998

Property Details

APN / Parcel Number

Primary APNOCOC-0589-998

Interior

Units2 Units

Exterior

Lot Area43,560 sqft

Location & Zoning

Street Address850 SUMMIT AVE
CityOCONOMOWOC
StateWI
Zip53066-3920
Property CategoryCommercial
Property TypeCommercial > Retail
Legal DescriptionPT SE1/4 OF NE1/4 SEC 4 T7N R17E; COM SW CRNR; N 800.07 FT ALNG W LINE TO CNTRLNE OF ROAD; S3930E 434.4 FT ALNG CNTRLNE OF ROAD TO BGN; N4940E 304.85 FT; S4020E 160 FT; S4940W 307.18 FT TO CNTRLNE OF ROAD; N3930W 160.02 FT TO BGN
Legal Range17E
Legal Township7N
Legal Section4
Legal Block17
Legal Lot Number7
JurisdictionWAUKESHA WI
Township / Civil DivisionOCONOMOWOC
Census Block Group3
Census Block3020
Census Tract204302

Owner

850 Summit Ave, a commercial property, is owned by a company that acquired it in February 2017.

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

Owner of RecordCompany Name on File
Mailing Address850 SUMMIT AVE, OCONOMOWOC, WI 53066-3920
Owner TypeCompany
VestingCompany

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 5, 2009 · Amount on File
Deed SaleMay 5, 2009 · Amount on File
Deed Document Number20093652446
Last Transfer DateFeb 22, 2017
Transfer Doc0004265594
Record UpdatedSep 20, 2026

December 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionWAUKESHA WI
Recording DateDec 14, 2020
Property Address850 SUMMIT AVE, OCONOMOWOC, WI 53066-3920
Document Number0004539085
Instrument DateDec 11, 2020
Instrument4539085
Transaction TypeTransfer
Record UpdatedJan 7, 2021
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address614 LAKE BLUFF DR OCONOMOWOC WI 530661766, OCONOMOWOC, WI 53066-1766

Tax Assessment & Valuation

The 2025 property tax bill for 850 Summit Ave was $7,890.

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

Property Jurisdictions

TypeName
StateWisconsin
CountyWaukesha County
MunicipalityOconomowoc City
Unified School DistrictOconomowoc Area School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$7,890.00$750,000 Land $211,600 Building $538,400$761,000
2023$6,164.00 (-18.02%)$549,200 (+11.42%) Land $211,600 Building $337,600$573,100 (+15.08%)
2022$7,519.00$492,900 Land $211,600 Building $281,300$498,000

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

Flood

FEMA maps place 850 Summit Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 19, 2025

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 850 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 RiskLow
lower than 97% of the US · lower than 92% of Wisconsin
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 SystemOCONOMOWOC WATERWORKS
serves 15,805 people · EPA ID WI2680227
Water SourceGroundwater
Last State InspectionApr 2025
Lead7 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 220 locations within half a mile, as of December 31, 2025

ProviderMax 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
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber in parts of the area		100 / 20

May also be available: Netwurx.

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