Delaware Real Estate Transfer Tax Calculator

Delaware's realty transfer tax carries the highest fixed combined rate of any state in the country: a 2.5% state tax under Title 30, Chapter 54, plus a local rate of up to 1.5% that New Castle County, Kent County, and most Delaware municipalities have all enacted at the full permitted level. Added together, that produces a typical combined rate of 4% of the sale price, which on a $380,000 home works out to $15,200, a figure that surprises buyers moving from states where 1% or 2% combined is considered high.

Delaware law does not fix which party pays, and local custom commonly splits the combined 4% evenly between buyer and seller, though the purchase contract governs the actual allocation and practices can vary by transaction. Because both the state and local components are already at their statutory ceilings in nearly every Delaware jurisdiction, there is little of the county-by-county variation found in a state like Maryland, where local rates range from 0% to 1.5%.

Delaware's combined transfer tax is a flat rate applied to the entire sale price:

$$\text{Transfer Tax} = \text{Sale Price} \times (0.025 + 0.015) = \text{Sale Price} \times 0.04$$

The calculator's engine runs this through the calculateStateRealEstateTransferTax primitive using Delaware's statutory state rate of 0.025 (2.5%) plus an average local rate of 0.015 (1.5%), reflecting that New Castle, Kent, and most Delaware municipalities have enacted their full local rate. The combined 4% figure is applied uniformly to the entire sale price with no bracket structure, meaning the calculation shape never changes regardless of how much the home costs.

Using the calculator's baseline $380,000 sale price:

• Sale Price: $380,000
• Delaware state realty transfer tax: 2.5%
• Delaware local realty transfer tax (typical): 1.5%
• Combined rate: 4.0%
• Transfer Tax Due: $380,000 × 0.04 = $15,200.00
• Net Proceeds After Tax: $380,000 − $15,200 = $364,800.00
• Effective Rate: 4.000%

At the higher-value scenario of $1,500,000, the same flat combined rate applies: $1,500,000 × 0.04 = $60,000.00 in tax due. For comparison, that same $1,500,000 sale would owe only $1,500 in Georgia or $1,650 in California under their respective flat state rates, underscoring how far Delaware's combined 4% rate outpaces most of the country on identical sale prices.

• First-time homebuyer reductions. Delaware offers a reduced transfer tax rate for qualifying first-time homebuyers on their primary residence, which can lower the effective rate below the 4% standard combined figure this calculator uses. This calculator models the standard non-exempt rate.
• Sussex County and municipalities with a lower local rate. While New Castle, Kent, and most municipalities charge the full 1.5% local rate, a small number of jurisdictions may charge less, which would lower the combined rate below 4% for those specific properties.
• Split payment by contract. Delaware customarily divides the transfer tax between buyer and seller (commonly 50/50 by local practice), though this calculator reports the total tax due rather than each party's individual share.
• Recording fees and title insurance. Delaware county recorders of deeds charge separate flat recording fees, and title insurance premiums are entirely separate from the realty transfer tax calculated here.

• Underestimating Delaware's rate relative to neighboring states. Buyers relocating from Pennsylvania (2% combined typically) or Maryland (around 1% combined) sometimes budget using a rate from a neighboring state, dramatically underestimating what a Delaware closing will actually cost.
• Forgetting to check first-time homebuyer eligibility. Delaware's reduced rate for qualifying first-time buyers can meaningfully lower the effective tax; buyers who might qualify should confirm eligibility before assuming the full 4% rate applies to their purchase.
• Assuming the state and local rates are optional or capped. Because nearly every Delaware locality has adopted the full 1.5% local rate, the "typical" 4% combined figure is effectively the default assumption for the vast majority of the state, not a worst-case scenario.
• Splitting the tax incorrectly at closing. Local custom in Delaware commonly splits the transfer tax 50/50 between buyer and seller, but this is a matter of contract, not statute, and should always be confirmed in the purchase agreement rather than assumed.

• Delaware Division of Revenue: Realty Transfer Tax guidance, Delaware Code Title 30, Chapter 54
• Engine table: engine/tables/2026/state-real-estate-transfer-tax.json, Delaware entry, verified 2026-08-21