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Kent County, DE

Kent County property tax appeal 2027: deadline, forms and how to file

Scan from recent salesFacts not yet verified by a person — confirm on your notice

To appeal a Kent County assessment, file with the Kent County Board of Assessment Review; in Delaware the deadline is March 15 in New Castle County and March 31 in Kent and Sussex. Confirm the exact date on your notice or with the assessor; we add each county's 2027 date here when it is published.

Data as of 20 Oct 2026 · the Kent County assessor
Your home

Check your own assessment

Free. We compare the value on your notice with recent sales of similar homes nearby and tell you whether an appeal is worth filing. Have your assessment notice and tax bill handy.

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How to file

How to file in Kent County

  1. Step 1

    File the appeal

    Use the method your notice lists, by the deadline on the notice.

  2. Step 2 · before the hearing

    Prepare and submit your evidence

    Comparable assessed values, photographs of condition issues and recent sales where they are public. Ask the appraisal office for the evidence it will use.

  3. Step 3

    Meet, then hear

    An informal review usually comes before a formal hearing; most reductions happen at the informal stage.

Before you file: how to read your notice · evidence that works · informal vs formal hearing · when not to appeal

Questions

Kent County questions

Data as of 20 Oct 2026 · Delaware statutes
When is the property tax appeal deadline in Kent County?

Delaware law sets it: Annual, set by statute or county rule: New Castle before March 15 (9 Del. C. §8311(a)); Kent and Sussex by March 31 under county rules, with hearings March 1 to May 31 (§8311(b)–(c)). Confirm the exact date on your notice or with the assessor.

Who hears a appeal in Kent County?

The Kent County Board of Assessment Review hears the first appeal. Filing rules: 9 Del. C. §8311, §8312.

What value should I compare on my Delaware notice?

Delaware notices often do not show a market value; compare the assessed value (“Assessed Value”) with what similar homes sold for, as of The county’s reassessment base date (9 Del. C. §8306(a)): July 1, 2024 in New Castle; July 1, 2023 in Kent and Sussex.

Your home

Check whether yours is over-assessed

Nearby

Nearby counties

Sussex County · New Castle County

Sources
  1. 9 Del. C. ch. 83, subch. I (§§8306, 8310–8313, 8321)
  2. 9 Del. C. ch. 13, subch. V (§§1371A–1371F, New Castle BOAR)
  3. 30 Del. C. ch. 54 (§5409 value stated in deed)
  4. New Castle County Assessment (base date July 1, 2024)
  5. U.S. Census Bureau, county population estimates (2024) and county gazetteer (2024).