Plainfield, Union County — property tax & assessments

10,755 parcels in MOD-IV 2026 file. Rate shown is tax year 2025 (latest available — not yet matched to assessment year).

Assessments are tax year 2026; latest published general rate we have is 2025. Estimate uses that rate until the 2026 rate is loaded.

2025 general tax rate: 8.926

Dollars per $100 of assessed value. Example on $300,000 net: $26,778/yr estimated. Assessment file year: 2026.

Schools
$7,284 27.2%
County
$3,900 14.6%
Municipal
$15,594 58.2%

Prior year (2024) general rate: 8.732.

Find a parcel