New Castle County Building Departments

Search for New Castle County DE building and zoning records. Building records include building plans, building code evaluations, building surveys, and building code violations, and zoning records include zoning violations, zoning boundaries, and zoning regulations.


New Castle County Building Departments develop and enforce building codes to ensure the construction of safe buildings in New Castle County, Delaware. The Building Department maintains building and zoning records, including design plans for construction and renovation projects, records on the current structures on any parcel, maps showing property lines, and New Castle County building permits issued by the department. They also keep records on a property's compliance with New Castle County building codes, including building and zoning violations, as well as records of inspection reports. Many Building Departments provide online access to building records.

Middletown Permits Middletown DE 19 West Green Street 19709 302-378-1171

New Castle Permits New Castle DE 900 Wilmington Road 19720 302-322-9813

Newark City Building Department Newark DE 220 South Main Street 19711 302-366-7055

Newark Planning Department Newark DE 220 South Main Street 19711 302-366-7030


New Castle County Building Inspectors ensure that building construction is in compliance with building and zoning codes in New Castle County, DE. They maintain documents on permits issued by the New Castle County Building Department, including construction, relocation, demolition, and occupancy permits. Building Inspectors also keep approved and rejected building plans and blueprints, records on a property's compliance with New Castle County building codes, and records on building and zoning violations and inspection reports. Many Building Inspectors make these building and zoning records available to the public online.

Middletown Building Inspector Middletown DE 19 West Green Street 19709 302-378-1171


New Castle County Assessors evaluate the value of properties and parcels in order to determine property taxes. The Assessor's Office maintains current data on every property in the New Castle County, DE including inventories of parcels and structures, zoning boundaries, and the value of all the property in the jurisdiction. Assessors may also keep New Castle County building and zoning records, such as reports from on-site inspections, maps of property lines and zones, and value assessments for building improvements. Many Assessor's Offices provide online access to their records, including documents on building and zoning.

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


New Castle County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in DE. The Office of the Treasurer and Tax Collector maintains and updates records on every parcel in the district, as well as maintaining certain building and zoning records. These records include building valuations, zoning boundaries, and building construction. Treasurers and Tax Collectors also keep documents on New Castle County property taxes, including property tax assessments, defaults on property taxes, and tax liens. The office may also maintain information on property auctions and a property's prior liens or foreclosures. Many Treasurers and Tax Collectors provide online databases to access their New Castle County building records, including documents on building and zoning.

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


New Castle County Code Enforcement Departments ensure compliance with building and zoning codes for a county or local government. Code Enforcement Departments in Delaware keep records on building code violations, zoning regulations, and zoning violations. They also maintain records on New Castle County building inspections, complaints filed against properties or businesses, violations issued by the department, and other local rules and regulations. The records maintained by the Code Enforcement Department are often available online.

New Castle Delaware Code Enforcement New Castle DE 900 Wilmington Road 19720 302-322-9813