509 Lock St, Portage, WI 53901 Property Records

Columbia County property record for 509 Lock St, Portage, WI 53901

Property Summary

Property TypeResidential Vacant Land
Lot Size0.094 acres (4,138 sqft)
OwnerIndividual Name on File
Tax Bill$71 (2025)
Flood ZoneZone X (minimal risk)
APN11271-1053

Property Details

APN / Parcel Number

Primary APN11271-1053
Alternative APN
  • 2231353

Exterior

Lot Area4,138 sqft (0.094 acres)

Location & Zoning

Street Address509 LOCK ST
CityPORTAGE
StateWI
Zip53901-1737
Property CategoryResidential
Property TypeVacant Land > Residential
Legal DescriptionS 45' OF W1/2 OF LOT 8 & S 45' OF LOT 9, BLK-235, JJ GUPPEY'S
Legal Range09E
Legal Township12N
Legal Section05
Legal SubdivisionJJ GUPPEY
Legal Block235
Legal Lot Number8-9
JurisdictionCOLUMBIA WI
Township / Civil DivisionPORTAGE
Census Block Group1
Census Block1025
Census Tract970402

Owner

509 Lock St, residential vacant land, is owned by an individual.

Source: Columbia County records, as of February 20, 2026

Owner of RecordIndividual Name on File
Mailing Address6024 SADDLE RDG, PORTAGE, WI 53901-9102
Owner TypeIndividual

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
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 509 Lock St was $71.

Source: Columbia County assessment roll, as of January 1, 2025

Property Jurisdictions

TypeName
StateWisconsin
CountyColumbia County
MunicipalityPortage City
Unified School DistrictPortage Community School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$71.00$3,400 Land $3,400$3,776 Land $3,776
2023$60.00$3,400 Land $3,400$3,563 Land $3,563

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

Flood

FEMA maps place 509 Lock St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 15, 2016

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 509 Lock 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 RiskLow
lower than 80% of the US · above 57% of Wisconsin
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemPORTAGE WATERWORKS
serves 10,437 people · EPA ID WI1110039
Water SourceGroundwater
Last State InspectionNov 2025
Lead6 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 372 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
Spectrum
Cable · Fiber in parts of the area
1,000 / 50
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

Nearby Properties on Lock St

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