Delaware City, New Castle County, Delaware Property Taxes
Median Delaware City, DE effective property tax rate: 0.59%, significantly lower than the national median of 1.02%.
Median Delaware City, DE home value: $182,250
Median annual Delaware City, DE tax bill: $1,006, $1,394 lower than the national median property tax bill of $2,400.
How are property taxes in New Castle calculated?
Property taxes in Delaware City, DE 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 March 1, 2025
Delaware City, New Castle County, Delaware Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.59%
Estimate Property Tax Bill
$1,075
$998
Property Tax Rates Across Delaware City, New Castle County, Delaware
Local government entities in Delaware set property tax rates, which can vary significantly across the state. Each year, counties estimate their necessary budgets to deliver essential services. This budget is then divided by the total value of all taxable properties within the county to determine the property tax rate. While votes and legislative measures play a role in setting these rates and budgets, this is essentially how the process unfolds annually.
In Delaware City, located in New Castle County, the effective property tax rate is 0.59%, which is notably lower than the national median of 1.02%. This rate is consistent across the state, with Delaware City having both the highest and lowest median tax rate within its zip code of 19706. Compared to the national landscape, Delaware offers a more affordable property tax environment, with the median tax bill being significantly lower than the national median of $2400. This can be an attractive factor for property owners seeking to minimize their tax liabilities.
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
0.59%
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
0.84%
Median Effective Delaware Tax Rate
1.41%
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 | 0.11% | 0.35% | 0.59% | 0.85% | 2.78% |
Source: Ownwell
Property Tax Assessment Values Across Delaware City, New Castle County, Delaware
When examining property taxes in Delaware City, DE, 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 appraisal district 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.
In New Castle County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 $182,250, with tax bills ranging significantly across the county. Zip code 19706 has the highest median home price at $182,250.
Property Tax Assessment Values Across Delaware City, New Castle County, Delaware
Source: Ownwell

$71,775
$387,113
$702,450
Median Delaware City Market Value
$182,250
Median New Castle County Market Value
$248,490
Median Delaware Market Value
$64,200
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 | $20,970 | $108,802 | $182,250 | $225,270 | $286,173 |
Source: Ownwell
Property Tax Bills Across Delaware City, New Castle County, Delaware
Property Tax Bills Across Delaware City, New Castle County, Delaware
Source: Ownwell

$702
$6,369
$12,036
Median Delaware City Tax Bill
$1,006
Median New Castle County Tax Bill
$2,154
Median Delaware Tax Bill
$1,362
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 | $260 | $515 | $1,006 | $1,450 | $2,021 |
Source: Ownwell