The 2025 property tax bill for 509 4th St was $3,047.
Source: Defiance County assessment roll, as of October 2, 2026
Property Jurisdictions
Type
Name
State
Ohio
County
Defiance County
County Subdivision
Defiance Township
Municipality
Defiance City
Unified School District
Defiance City School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2025
$3,047.00
$79,440 (-16.93%)Land $6,570Building $72,870
2024
$3,047.00 (-33.5%)
$95,630 (-)Land $6,570Building $89,060
$226,950 (+25.59%)Land $18,760Building $208,190
2023
$4,582.00 (+17.01%)
$95,630 (+27.39%)Land $6,570Building $89,060
$180,713Land $18,771Building $161,942
2022
$3,916.00
$75,070Land $6,570Building $68,500
2020
$214,470Land $18,760Building $195,710
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 509 4th St in Zone X, an area of minimal flood risk, though there have been 43 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective March 8, 2021 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone
Zone X minimal risk
Flood Insurance Requirement
Not required lenders may require it
Flood Insurance Cost
Premium on File median of 10 policies
Nearby Flood Policies
10 in force
Nearby Flood Claims
43 (1978–2009)
Claims Outside the SFHA
6 of 43
Most Recent Claim
Mar 2009 · river or lake flooding
Claims by Event
Severe Storms & Flooding, Mar 1982 · 16 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
The area around 509 4th 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
DEFIANCE CITY serves 16,494 people · EPA ID OH2000111
Water Source
Surface water
Last State Inspection
Jul 2025
Lead
Under 1 ppb (2026) action level 15 ppb
Violations Reported to EPA
Water Quality
Total trihalomethanes resolved · Jul 2022
Treatment and Procedure
Corrosion control Jan 2018
Monitoring and Reporting
2 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 269 locations within half a mile, as of December 31, 2025
Provider
Max Down / Up (Mbps)
Brightspeed Fiber
2,000 / 2,000
Spectrum Cable · Fiber in parts of the area
1,000 / 1,000
MetaLINK Technologies Fixed Wireless · Fiber in parts of the area
500 / 100
T-Mobile Fixed Wireless
100 / 20
May also be available: Omni Fiber, RTEC Communications, Verizon.