The 2025 property tax bill for 3315 Neptune Ave was $3,550, up 4.4% from the year before.
Source: Sangamon County assessment roll, as of June 2, 2026
Property Jurisdictions
Type
Name
State
Illinois
County
Sangamon County
County Subdivision
Capital Township
Municipality
Springfield City
Unified School District
Springfield School District 186 (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2025
$3,550.00 (+4.38%)
$49,852 (+7.22%)Land $5,515Building $44,337
$149,556 (+7.22%)Land $16,545Building $133,011
2024
$3,401.00Homeowner's exemption
$46,495Land $5,144Building $41,351
$139,485Land $15,432Building $124,053
2022
$3,041.00Homeowner's exemption
$39,942Land $4,458Building $35,484
$119,826Land $13,374Building $106,452
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Flood
FEMA maps place 3315 Neptune Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2002.
Source: FEMA National Flood Hazard Layer, effective May 4, 2016 · 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
3 in force
Nearby Flood Claims
2 (2002–2020)
Claims Outside the SFHA
2 of 2
Most Recent Claim
Mar 2020
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 3315 Neptune Ave is low, with 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 94% of the US · lower than 65% of Illinois
Wildfire Likelihood
0.01% annual chance
Exposure
Direct burnable vegetation
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
SPRINGFIELD serves 117,444 people · EPA ID IL1671200
Water Source
Surface water
Last State Inspection
Sep 2024
Lead
Under 1 ppb (2026–2028) action level 15 ppb
Violations Reported to EPA
Water Quality
None last 10 years
Treatment and Procedure
None last 10 years
Monitoring and Reporting
3 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 89 locations within half a mile, as of December 31, 2025