307 William St, Avoca, WI 53506 Property Records

Iowa County property record for 307 William St, Avoca, WI 53506

Property Summary

Property TypeSingle Family Home
Lot Size1.23 acres (53,579 sqft)
OwnerIndividual Name on Record
Tax Bill$2,939 (2025)
Flood ZoneZone X (moderate risk)
APN102-0155

Property Details

APN / Parcel Number

Primary APN102-0155
Alternative APN
  • 102 0155.0

Exterior

Lot Area53,579 sqft (1.23 acres)

Location & Zoning

Street Address307 WILLIAM ST
CityAVOCA
StateWI
Zip53506-9650
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionA PT OF THE NE PT OF THE SOUTH PT THE SW1/4 OF THE SW1/4 DESC AS COMM AT A POINT 258 1/2' DUE WEST OF THE NW CORNER OF LOT 16
Legal Range01E
Legal Township08N
Legal Section12
Legal Block38
Legal Lot Number16
JurisdictionIOWA WI
Township / Civil DivisionAVOCA
Census Block Group2
Census Block2088
Census Tract950200

Owner

Source: Iowa County records, as of April 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address307 WILLIAM ST, AVOCA, WI 53506-9650
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateMar 27, 2024
Transfer Doc0000386650
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

Source: Iowa County assessment roll, as of April 21, 2026

Property Jurisdictions

TypeName
StateWisconsin
MunicipalityAvoca Village
CountyIowa County
Unified School DistrictRiverdale School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$2,939.00$168,500 Land $20,100 Building $148,400$161,969 Land $19,321 Building $142,648

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

Flood

Source: FEMA National Flood Hazard Layer, effective December 15, 2015 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims8 (2000–2008)
Claims Outside the SFHA1 of 8
Most Recent ClaimJun 2008 · Severe Storms, Tornadoes, And Flooding
Claims by Event
  • Severe Storms, Tornadoes, And Flooding, Jun 2008 · 8 claims

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.

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
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemAVOCA WATERWORKS
serves 545 people · EPA ID WI1250074
Water SourceGroundwater
Last State InspectionMay 2025
LeadUnder 1 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureLead service line inventory
Oct 2024
No certified operator
Jul 2024
Monitoring and Reporting2
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 50 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Starlink
Satellite
280 / 30
T-Mobile
Fixed Wireless
100 / 20
Brightspeed
DSL
100 / 10
Bug Tussel Wireless
Fixed Wireless
25 / 5

May also be available: Verizon.

Nearby Properties on William St

Nearby Streets

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