Delaware City, New Castle County, Delaware Property Taxes
Property Taxes in Delaware City, Delaware
Median Delaware City, Delaware effective property tax rate: 0.56%, significantly lower than the national median of 1.02%, and lower than the Delaware state median of null%.
Median Delaware City, Delaware home value: $227,880
Median annual Delaware City, Delaware tax bill: $1,125, $1,275 lower than the national median property tax bill of $2,400.
How are property taxes in New Castle calculated?
Property taxes in Delaware City, Delaware are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Delaware City's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Delaware City, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Delaware City, New Castle County, Delaware Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.56%
Estimate Property Tax Bill
$1,276
$1,184
How Does the Delaware City Property Tax Calculator Work?
Use this Delaware City property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Delaware City's median effective tax rate of 0.56% — based on actual property records in New Castle County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Delaware City's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Delaware City: rates can differ based on local levies and assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Delaware City.
About Delaware City Property Taxes
About Property Taxes in Delaware City, New Castle, Delaware
Delaware City’s median effective property tax rate of 0.56% is lower than the Delaware state median and lower than the national median of 1.02%. This rate reflects the New Castle County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Delaware City. Homeowners in the highest ZIP code carry a median effective rate of 0.56%, while those in the lowest pay 0.56%. This spread reflects how school district boundaries and local assessment districts are drawn across New Castle County. Understanding which part of Delaware City you live in can make a meaningful difference to your annual tax bill.
Delaware City homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the March 14, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Delaware City, New Castle County, Delaware
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Delaware City’s effective property tax rate to other cities in Delaware and the median property tax rates in Delaware and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Delaware City Tax Rate
0.56%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective New Castle County Tax Rate
0.80%
Median Effective Delaware Tax Rate
1.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Delaware City, New Castle County, Delaware
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 19706 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Delaware City, New Castle County, Delaware
When examining property taxes in Delaware City, Delaware, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The New Castle County assessment process estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In New Castle County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the season.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Delaware City.
For example, the median home price in Delaware City is $227,880, with tax bills ranging significantly across the county. The median property tax bill is $1,125, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Property Tax Assessment Values Across Delaware City, New Castle County, Delaware
Source: Ownwell
$99,090
$472,410
$845,730
Median Delaware City Market Value
$227,880
Median New Castle County Market Value
$290,430
Median Delaware Market Value
$66,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Delaware City, New Castle County, Delaware
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 19706 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Delaware City, New Castle County, Delaware
How are property tax bills calculated in Delaware City?
Property tax bills in Delaware City are based on the assessed value of a home, not its market price. Local taxing authorities apply their tax rate to that assessed value to determine the annual bill. The final amount can vary depending on the home’s location within New Castle County and any local levies that apply.
What factors affect the bill? The home’s assessed value, the local tax rate, and any exemptions or special assessments all play a role. Homes with higher assessed values generally face larger tax bills, while lower-assessed properties tend to owe less. For homeowners, this means a bill that reflects both property value and local tax policy.
How much do homeowners typically pay? In Delaware City, the 25th percentile tax bill is $556, the 75th percentile is $1,607, and the 90th percentile is $2,231. With a median home price of $227,880, many homeowners pay below the national median property tax bill of $2,400.
Property Tax Bills Across Delaware City, New Castle County, Delaware
Source: Ownwell
$783
$6,865
$12,947
Median Delaware City Tax Bill
$1,125
Median New Castle County Tax Bill
$2,329
Median Delaware Tax Bill
$1,454
Median United States Tax Bill
$2,400
Property Tax Bills Across Delaware City, New Castle County, Delaware
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 19706 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 14 |
Links | |
|---|---|
| New Castle Tax Assessor | |
| Website | www3.newcastlede.gov |