Property Tax Appeal · New Castle County, DE
Appeal your property taxes
in New Castle County, DE.
Home to Wilmington, New Castle County homeowners appeal through Delaware’s system: the county assessment office sets the value, and the county Board of Assessment Review hears the case. Boards act on evidence of market value as of the assessment date — a licensed, USPAP-compliant appraisal is that evidence. Start with the $5 check to see what you’d save.
Appeal deadlines are set county-by-county in Delaware’s three counties — your reassessment notice states yours. Your assessment notice states the exact date — and the appraiser prepares your report and filing guidance for New Castle County’s procedure.
School taxes make up the bulk of a Delaware property tax bill, so an assessment cut flows through several taxing lines at once. The review board’s question is your home’s market value on the county’s valuation date — documented comparable sales, the substance of a licensed appraisal, are what it can act on.
New Castle County questions
Appeal deadlines are set county-by-county in Delaware’s three counties — your reassessment notice states yours. Your assessment notice states the exact date for New Castle County.
Delaware has just three counties — New Castle, Kent, and Sussex — and each runs its own assessment office and Board of Assessment Review. After decades of frozen, decades-old base-year values, all three counties recently completed court-ordered general reassessments, putting every property on current market value at once. That kind of mass revaluation is precisely when individual errors are made, so checking the new number is worth it. You appeal by filing with your county’s assessment office and presenting evidence to the Board of Assessment Review.
Comparable sales as of the assessment date, adjusted for the differences between those homes and yours — the substance of a licensed appraisal. county Board of Assessment Review panels see hundreds of cases; a signed, USPAP-compliant report is the document they can act on.
We’re not an AVM, a computer model, or a real-estate agent estimate. Every report is prepared under the Uniform Standards of Professional Appraisal Practice (USPAP) and signed by a licensed appraiser in your state — the same qualification required for mortgage appraisals.