New Castle County Property Assessor

Search for New Castle County DE property assessment information. Property Assessments include property tax assessments, property valuations, property tax liens, defaults on property taxes, and property assessment appeals.


New Castle County Assessors determine the value of properties and parcels so that the jurisdiction can levy Delaware property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on New Castle County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. New Castle County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. New Castle County Assessment Offices provide online access to their property assessment records.

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


New Castle County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Delaware municipality. These New Castle County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the New Castle County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. New Castle County Clerks provide online access to their public property tax records, including documents related to property assessments.

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


New Castle County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the Delaware public. The Office of the Recorder of Deeds maintains records on New Castle County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The New Castle County Recorder provides online databases for public records access of property assessments.

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


New Castle County Town Halls and City Halls are the chief administrative office that runs a town or city in Delaware. The Town or City Hall maintains records related to the locality, including property assessment records. These New Castle County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

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


New Castle County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Delaware. The Office of the Treasurer and Tax Collector maintains current data on every New Castle County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on New Castle County property auctions and a property's prior liens or foreclosures. New Castle County Treasurers and Tax Collectors provide online databases to access property assessment records.

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