Taxes in New Castle
New Castle's tax picture inherits Delaware's real, favorable statewide structure on two of three major categories, alongside New Castle County's own real, disclosed reassessment-related billing delay.
Exploring the idea of moving?
We can connect you with a local real estate professional who knows the area -- no pressure, just a starting point.
Learn moreA real, flat 0% sales tax, everywhere
Delaware levies no general sales tax at any level of government, anywhere in the state.
A low, statewide-cited property tax rate
New Castle's own cited effective property tax rate runs approximately 0.70%-0.741%, New Castle County's own statewide-cited range -- still well below the national average.
A real, disclosed county-wide reassessment delay
New Castle County's own court-ordered property reassessment has pushed 2026 tax bills to a mid-November 2026 mailing -- confirm the current, post-reassessment bill directly for a specific New Castle property.
Key takeaways
- New Castle inherits Delaware's real, flat 0% sales tax at every level, everywhere in the state.
- New Castle's own cited property tax rate (0.70%-0.741%) runs well below the national average.
- New Castle County's 2026 property tax bills are now expected to mail in mid-November -- confirm the current bill directly.
Want to know what your budget actually buys here?
Tell us a bit about what you're looking for and we'll connect you with someone local who can walk you through real numbers.
Get local guidanceRead the full New Castle overview for the complete picture -- housing, taxes, climate, and who this place genuinely fits.
Planning a move?
Tell us what you're looking for and we'll connect you with a local expert who can help you make it happen.
Talk to a local expert