Newark Business Filing Deadlines & Ongoing Requirements
What a business in Newark keeps doing after it opens: recurring filings, renewals and the events that trigger new obligations. Change the business details to fit yours.
Where Newark, DE filings and renewals are tracked
- County/city business license — Newark, New Castle County, Delaware · County or municipality: Newark / New Castle County (city)
- Obtain certificate of occupancy for premises in Newark · Newark (New Castle County) building department (city)
- Obtain a City of Newark business license · City of Newark Planning Department (city)
- Annual reports: Delaware Division of Corporations
- Tax returns and payments: Delaware Division of Revenue
- Unemployment insurance filings: Delaware Department of Labor
Renewals, filing triggers and recurring deadlines in Newark
6 items in your plan repeat on a schedule. Each one lists its authority and when it comes due.
Recurring filings and renewals
- File federal income tax return: Form 1040 with Schedule C · every year · April 15 · IRS
- Pay LLC annual tax (Delaware) · every year · June 1 · Delaware Division of Corporations
- Register for and file Delaware entity-level taxes · every year · Delaware Division of Revenue
- Delaware business license and gross receipts tax · every year · Delaware Division of Revenue
- File the annual unclaimed property holder report (Delaware) · every year · March 1 · Delaware unclaimed property program
- County/city business license — Newark, New Castle County, Delaware · every year · County or municipality: Newark / New Castle County
Filings triggered by an event
- Notify residents and regulators of a data breach within 60 days (Delaware): applies when Business operates in DE
Federal
State
City
Conditionally applicable
Common questions about Newark
These items in your plan repeat on a schedule for Newark:
- File federal income tax return: Form 1040 with Schedule C · every year · April 15
- Pay LLC annual tax (Delaware) · every year · June 1
- Register for and file Delaware entity-level taxes · every year
- Delaware business license and gross receipts tax · every year
- File the annual unclaimed property holder report (Delaware) · every year · March 1
- County/city business license — Newark, New Castle County, Delaware · every year
Sources: corp.delaware.gov, revenue.delaware.gov
Some filings are not on a calendar. They are due when something changes:
- Notify residents and regulators of a data breach within 60 days (Delaware): applies when Business operates in DE
Once you are open in Newark, filings go to four levels. Delaware handles state taxes and annual reports; the city and county handle local licenses and taxes.
- Federal (2): Obtain an Employer Identification Number (EIN); File federal income tax return: Form 1040 with Schedule C
- State (6): Maintain a registered agent in Delaware; Pay LLC annual tax (Delaware); Register for and file Delaware entity-level taxes; Delaware business license and gross receipts tax…
- City (3): County/city business license — Newark, New Castle County, Delaware; Obtain certificate of occupancy for premises in Newark; Obtain a City of Newark business license
Sources: corp.delaware.gov, revenue.delaware.gov
With employees, these obligations stay on your calendar:
- Register for unemployment insurance with Delaware Department of Labor.
- Workers' compensation: Delaware Office of Workers' Compensation. Required when: 1 employee
- Delaware Paid Family and Medical Leave contributions: applies from 10 employees.
- Register to withhold Delaware income tax from wages.
Sources: labor.delaware.gov, labor.delaware.gov, revenue.delaware.gov
The rules for Newark were checked against official sources as of 2026-10-25. Agencies change dates and fees, so confirm on the agency site before you file.
Sources: corp.delaware.gov, revenue.delaware.gov, labor.delaware.gov