The 2025 property tax bill for 306 State St was $4,821.
Source: Rock County assessment roll, as of April 2, 2026
Property Jurisdictions
Type
Name
State
Wisconsin
Municipality
Beloit City
County
Rock County
Unified School District
Beloit School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2025
$4,821.00
$291,200Land $25,200Building $266,000
$319,800
2023
$2,718.00
$171,500Land $25,200Building $146,300
$195,100
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 306 State St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective May 3, 2017 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone
Zone AE high risk
100-Year Floodplain
Yes 1% annual chance
Floodway
No
Base Flood Elevation
Varies along the reach; see FIRM
Flood Insurance Requirement
Required federally backed loans
Flood Insurance Cost
Premium on File median of 30 policies
Nearby Flood Policies
30 in force
Nearby Flood Claims
13 (1979–2019)
Claims Outside the SFHA
1 of 13
Most Recent Claim
Sep 2019 · river or lake flooding
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
The area around 306 State St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Not rated no burnable land within 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
CITY OF BELOIT serves 36,677 people · EPA ID WI1540112
Water Source
Groundwater
Last State Inspection
Nov 2024
Lead
5 ppb (2023) action level 15 ppb
Violations Reported to EPA
Water Quality
Radium resolved · Oct 2019
Treatment and Procedure
None last 10 years
Monitoring and Reporting
1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Internet Providers
Source: FCC Broadband Data Collection, based on 129 locations within half a mile, as of December 31, 2025