The 2025 property tax bill for 511 Greene St was $814, up 2% from the year before.
Source: Linn County assessment roll, as of October 5, 2026
Property Jurisdictions
Type
Name
State
Iowa
County
Linn County
Municipality
Walker City
Unified School District
North Linn Community School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2026
$52,200 (-8.9%)Land $10,500Building $41,700
$52,200 (-8.9%)Land $10,500Building $41,700
2025
$814.00 (+2.01%)
$57,300Land $10,500Building $46,800
$57,300Land $10,500Building $46,800
2024
$798.00
2023
$47,300Land $10,500Building $36,800
$47,300Land $10,500Building $36,800
2022
$862.00
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 511 Greene St in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 2009.
Source: FEMA National Flood Hazard Layer, effective May 31, 2026 · 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
Community Rating System
Class 7 (15% premium discount)
Nearby Flood Policies
5 in force
Nearby Flood Claims
6 (2009–2013)
Claims Outside the SFHA
4 of 6
Most Recent Claim
Jun 2013 · rainfall accumulation
Claims by Event
Severe Storms, Tornadoes, And Flooding, May 2013 · 3 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
Wildfire risk around 511 Greene St 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 Risk
Low lower than 98% of the US · lower than 82% of Iowa
Wildfire Likelihood
Under 0.01% annual chance
Exposure
None 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 System
WALKER WATER WORKS serves 688 people · EPA ID IA5792059
Water Source
Groundwater
Last State Inspection
Sep 2024
Lead
5 ppb (2023–2025) action level 15 ppb
Violations Reported to EPA
Water Quality
None last 10 years
Treatment and Procedure
None last 10 years
Monitoring and Reporting
None 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 153 locations within half a mile, as of December 31, 2025
Provider
Max Down / Up (Mbps)
East Buchanan Telephone Cooperative Fiber
1,000 / 1,000
Windstream DSL
200 / 20
May also be available: GigFire, ImOn Communications.