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MyDETax
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Take Action Today

Don't let the complexity overwhelm you. Get the information and help you need.

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Check Your Property

Find your exact tax impact and see how you compare to neighbors

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Senior Credit Analysis

Check if you qualify for additional senior tax savings up to $800+ annually

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Tax Relief Programs

Access eight relief programs including senior citizen and veteran benefits

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Stay Updated

Get alerts about relief programs, new laws, and deadlines

About This Project

MyDETax was built by Kevin Kahn as an independent public resource after New Castle County's first property reassessment in over 40 years left homeowners without clear answers. Every calculation uses official county assessment data, school district tax rates, and legislatively enacted split-rate formulas.

Read the Full Case Study→

This website is independently operated and is not affiliated with New Castle County or the State of Delaware. Property information is sourced from publicly available county property and GIS records and is provided for informational purposes only. Data is displayed as-is and is subject to the same limitations and accuracy considerations noted by the county for public records.

Individual property removals are not processed, and no private or contact information is published.

Website designed by Kevin Kahn

200 N POPLAR ST, WILMINGTON, DE, 19801 | MyDETax