City of Delaware Income Tax Department

Oct 30, 2025

Access the City of Delaware Income Tax Department here.

The City of Delaware Income Tax Department is a state agency in Ohio responsible for administering and enforcing income tax laws within the city limits of Delaware. This department ensures that residents and businesses comply with state tax regulations to maintain funding for essential city services and programs.

Agency Accounts

Delaware Withholding Tax Account

The Delaware Withholding Tax Account allows you to set up and manage the following information:

  • Delaware Withholding Account ID : Enter your EIN if you don't have an account number

City of Delaware Business Tax Account

The City of Delaware Business Tax Account allows you to set up and manage the following information:

  • Delaware Net Profit Tax ID

Zero payroll penalties, zero distractions.

Agencies in Ohio

See all

More from the blog

Learn how to keep your business compliant in all 50 states across payroll, HR, Secretary of State, and tax.

Multi-State Compliance Quiz: Spot Your Blind Spots in Just 3 Minutes

When it comes to multi-state compliance, what you don’t know can cost you. A lot. As HR leaders juggle remote teams, ever-changing labor laws, and disconnected systems, it’s never been easier for compliance risks to slip through the cracks. One missed registration. One outdated policy. Suddenly you’re facing fines, lawsuits, or serious reputational damage. And the worst part? Most companies don’t realize they’re at risk until it’s too late.

Paul Boynton | Jun 23, 2025

How To Register a Business Step by Step

As an entrepreneur, it’s easy to get caught up in the thrill of innovation, product development, and marketing — but none of these can happen without the foundational step of business registration. In this guide, we’ll cover how to register a business, why it’s important, and what advantages it offers. Why Do You Need To Register Your Business? Understanding how to register a business is essential for overall business compliance. Operating a new business without proper registration is not only frowned upon, but can be illegal in many jurisdictions — small businesses especially can face non-compliance penalties (such as hefty fines).

Alex Kehayias | Dec 17, 2023

Illinois Right to Privacy in the Workplace Act: An Employer's Guide

The Illinois Right to Privacy in the Workplace Act (IRPWA) is an important piece of legislation designed to protect employees’ personal rights while balancing employers’ needs. This guide covers the major aspects of the IRPWA, including social media privacy, lifestyle discrimination protections, and compliance with federal E-Verify requirements. Here’s what employers need to know about the act and how you can use Mosey to manage state compliance.

Kaitlin Edwards | Jan 7, 2025

Ready to get started?

Schedule a free consultation to see how Mosey transforms business compliance.