Doing Business in New Castle

Building Department Forms

If your business is located within the incorporated city limits of the City of New Castle, or you do business within the City Limits you are required to obtain a City of New Castle Business License each year.  If you have any questions about whether your location is inside the incorporated City limits please call 302-322-9801 before applying for any license.  (Map of City Limits)  

• • If your business is located within the incorporated city limits of the City of New Castle, or you do business within the City Limits you are required to obtain a City of New Castle Business License each year.  If you have any questions about whether your location is inside the incorporated City limits please call 302-322-9801 before applying for any license.  (Map of City Limits)   
    • 2026 City of New Castle Business License Application (Pay online with a credit card – For new businesses or for renewing an existing license if your business is NOT located within the City of New Castle incorporated City limits, but you will be doing work in the City.)
    • 2026 City of New Castle Business License Application (Pay online with a credit card – For businesses who are renewing existing licenses, AND are located within the City of New Castle incorporated City limits.)
    • 2026 Rental Property Business License Application – New Applications & Renewals (Pay online with credit card)
    • 2026 Vendor Permit  & Vendor Information
    • Temporary Storage Unit Permit (Fill out and pay online with a credit card)
    • Temporary Storage Unit Permit  (Print and mail with payment)
    • Temporary Recreational Vehicle Parking Permit  (Fill out and pay online with a credit card)
    • Temporary Recreational Vehicle Parking Permit (Print and mail with payment)
    • Subdivision Form
    • Building Permit Application
    • Historic Area Commission Review Application
    • Board of Adjustment Application
    • Complaint Form City Codes
    • General Complaint Form
    • Vacant Properties Registration
    • City Handicapped Parking Space Application
    • Tree Work Permit Application 
    • Special Trash Pick-Up