New Castle County Property Search

Search free New Castle County DE property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The New Castle County Assessor is responsible for determining the value of property in order to determine New Castle County property taxes. The New Castle County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The New Castle County Tax Assessor maintains current data on every parcel in the New Castle County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the New Castle County, DE. The New Castle County Assessor’s Office can answer questions regarding New Castle County property tax appeals and assessments, New Castle County property tax rates and payment due dates.

New Castle County Assessor's Office New Castle DE 87 Reads Way 19720 302-395-5520


New Castle County Auditors are responsible for maintaining accurate financial records on properties, including the appraisal and assessment of a property's value, which is used to determine New Castle County property taxes. The New Castle County Auditor’s Office collects data from on-site inspections, information submitted by owners, prior sales, and statistical analyses. The Auditor maintains current data on New Castle County property value, owner information, inventories of parcels and structures, and parcel maps. The Office also provides property search databases for New Castle County, DE.

Wilmington Auditor Wilmington DE 820 North French Street 19801 302-577-3870


The New Castle County Clerk files important documents and preserves municipal records in order to maintain an archive of New Castle County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in New Castle County, Delaware. The New Castle County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including New Castle County deeds, mortgages, and liens on properties.

New Castle County Clerk Wilmington DE 800 North French Street 19801 302-395-7730


The New Castle County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in New Castle County, DE. The Office of Recorder of Deeds in New Castle County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including New Castle County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

New Castle County Recorder of Deeds Wilmington DE 800 North French Street 19801 302-395-7700


New Castle County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including New Castle County property taxes, property value assessments, and land transactions, as well as property sales and transfers in New Castle County, Delaware.

Bellefonte Town Hall Wilmington DE 901 Rosedale Avenue 19809 302-761-9638

Delaware City Town Hall Delaware DE 407 Clinton Street 19706 302-834-4573

Elsmere Town Hall Wilmington DE 11 Poplar Avenue 19805 302-998-2215

Middletown Town Hall Middletown DE 19 West Green Street 19709 302-378-9120

New Castle City Hall New Castle DE 220 Delaware Street 19720 302-322-9812

Newark City Hall Newark DE 220 South Main Street 19711

Newport Town Hall Newport DE 226 North James Street 19804 302-994-6403

Townsend Town Hall Townsend DE 661 South Street 19734 302-378-8082


The New Castle County Treasurer and Tax Collector’s Office is responsible for the collection of New Castle County property tax revenue. The Treasurer and Tax Collector maintains current New Castle County property tax information including New Castle County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in New Castle County, Delaware.

New Castle County Treasurer & Tax Collector Wilmington DE 87 Read Avenue 19804 302-395-5520

Wilmington City Treasurer Wilmington DE 800 North French Street 19801 302-576-2480