The current 2021 real estate tax rate for the Town of Londonderry, NH is $18.38 per $1,000 of your property's assessed value. The assessed value multiplied by the real estate tax rate equals the real estate tax. If you would like an estimate of the property tax owed, please enter your property assessment in the field below. Please be aware that this estimate does not include any Exemptions or Credits.
Town of Londonderry, NH Tax Calculator: