Maryland State Department of Assessments and Taxation (SDAT)

May 8, 2025

Access the Maryland State Department of Assessments and Taxation (SDAT) here.

The Maryland State Department of Assessments and Taxation (SDAT) is a state agency responsible for assessing and valuing properties for tax purposes in Maryland. They also maintain business entity records and oversee the collection of certain state taxes.

Agency Accounts

Maryland State Department of Assessments and Taxation (SDAT) Account

Access your online account via Maryland Business Express.

The Maryland State Department of Assessments and Taxation (SDAT) Account allows you to set up and manage the following information:

  • State Department of Assessments and Taxation (SDAT) ID
  • Registration Date : Date that your business was registered with the Maryland State Department of Assessments and Taxation (SDAT).

Find out more on how to stay compliant with the Maryland State Department of Assessments and Taxation (SDAT):

Review your compliance risks, free.

More from the blog

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

What Is the New DOL Overtime Rule for 2024?

Overtime pay is a fundamental element of labor law, ensuring that employees are fairly compensated when they work beyond their standard 40 hours a week. It’s designed to protect workers from overwork and to encourage employers to hire additional staff if needed rather than relying on excessive hours from existing employees. Starting in 2024, the Department of Labor (DOL) is implementing significant updates to the overtime rule, potentially impacting millions of employees and the businesses that employ them.

Gabrielle Sinacola | Jul 5, 2024

How To Issue a 1099: A Comprehensive Guide

Many business owners — particularly those who work with independent contractors and freelancers — are responsible for issuing a 1099 form. Understanding the ins and outs of different 1099s can help your business remain compliant with the Internal Revenue Service (IRS). Whether you’re a small business owner or part of a larger partnership, knowing when and how to issue these tax forms is crucial. Improper issuing could negatively impact your tax filings, leading to penalties and unnecessary complications during tax season.

Gabrielle Sinacola | Jan 31, 2025

What Is Local Tax? States with Local Income Taxes in 2024

Business tax planning can be complicated. It’s particularly involved for employers with multi-state payroll, who need to figure out withholding obligations in every state where they employ workers. If you do business or employ workers in one of the 15 states that allow local jurisdictions to impose income taxes, you might also need to withhold and remit local income taxes where your employees live, work, or both. What is local income tax?

Gabrielle Sinacola | Aug 11, 2023

Ready to get started?

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