Washington property tax late penalties and interest
3 sourced points for Washington, each linked to the official page it comes from.
- Delinquent tax on residential property with four or fewer units, including manufactured homes, carries interest of nine percent a year. Other property is charged twelve percent. app.leg.wa.govOct 21
- Homes with four or fewer units aren't charged late penalties. Other property gets a 3% penalty on June 1 and another 8% on December 1. app.leg.wa.govOct 21
- Once three years have passed since the tax became delinquent, the county treasurer must issue certificates of delinquency on the property to the county. app.leg.wa.govOct 21
The dates
| Date and source | Deadline | Applies to |
|---|---|---|
| April 30 every yearapp.leg.wa.govOct 21 | Last day without penalty First half due (or all of it, if under $50) | All 39 Washington counties |
| October 31 every yearapp.leg.wa.govOct 21 | Last day without penalty Second half due | All 39 Washington counties |