Property Tax Analysis for New Castle County, DE

Property tax rates, assessment ratios, and appeal potential in New Castle County.

Effective Tax Rate

0.8%

Annual Tax Bill

$2,371

Monthly Escrow

$198

Tax Burden

2.8% of income

Tax Assessment Details

Current Assessment

Market Value$312,000
Est. Assessed Value$265,200
Assessment Ratio~85%
Effective Rate0.8%

Appeal Potential

Potential Annual Savings$356
5-Year Savings$1,780
vs National Averagebelow (1.1%)
Appeal Success Rate~40-60%

About Property Taxes in New Castle County

New Castle County in Delaware has an effective property tax rate of 0.8%, which is below the national average of 1.1%. On a median home value of $312,000, that translates to $2,371 annually or $198 per month in escrow.

Property tax assessments can often be successfully appealed. Our calculator models assessment ratios, comparable sales analysis, and appeal timing to estimate your potential savings with Monte Carlo simulation.

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Enter your property details and get a full tax analysis with appeal potential, assessment comparison, and projected savings over 5, 10, and 30 years.

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Other Counties in Delaware

County-level data from U.S. Census Bureau American Community Survey (ACS) 2022 5-Year Estimates. Additional sources: Tax Foundation, county assessor records. Estimates are county-level medians. This is not tax advice.