District Of Columbia LLC Tax Registration – (Apr. 2026) Guide

To create a Limited Liability Company (LLC) in the District of Columbia, you need to submit your Articles of Organization. You do so through the Department of Licensing and Consumer Protection (DLCP). After your LLC is established, you’re required to secure a Basic Business License before legally operating.

That said, before applying for that license, your LLC needs to be registered for District of Columbia tax with the Office of Tax and Revenue (OTR). Once your tax registration is processed, you’ll get a Notice of Business Tax Registration letter. The Notice Number included in that letter is necessary to complete your Basic Business License application.

Below, I’ll outline the main requirements and steps you need to take for your District of Columbia LLC tax registration.

District Of Columbia LLC Tax Registration Overview

Form FR-500, also known as the Combined Business Tax Registration Application, is required for every LLC starting a business in Washington, DC. This form registers your business with both the DC OTR and the Department of Employment Services (DOES).

You need to file the FR-500 online through MyTax DC to set up tax accounts for sales, use, and withholding taxes. There is NO filing fee for this application.

You should submit the form after obtaining your EIN and before applying for a Basic Business License. The reason for this is that the EIN is required to complete the registration. Plus, the Notice Number issued after approval is needed to finalize your DC business license application.

OTR typically processes registrations within 10 business days. Once approved, you’ll get your Notice of Business Tax Registration by mail.

How To Complete DC LLC Tax Registration Online

1. Open The Form

Go to the MyTax DC homepage and find the “Business” section. Select “Register a New Business – Form FR-500.” This will take you directly to the application.

2. Review The Instructions

The instructions page outlines everything required to complete your District of Columbia FR-500 registration, including:

• Your Federal Employer Identification Number (FEIN), Individual Taxpayer Identification Number (ITIN), and/or Social Security Number (SSN).
• Your business’s legal structure (Articles of Organization).
• The main business address and any DC locations where sales tax will be collected.
• Names, titles, home addresses, and SSN and/or ITIN details for the owner, partners, or principal officers.
• Information about any prior registration with the District of Columbia, if applicable.

Once ready, select “Next.”

3. Enter Business Details

a. Business Name And ID

Fill out the Business Information section:

• Choose “Limited Liability Company” from the entity type dropdown.
• Pick your ID type (FEIN, ITIN, or SSN), enter the number, and confirm it.
• Enter your legal business name.
• If your business operates under a different name, check “Register Accounts Using Doing Business As (DBA)/Trade Name.” Then, provide the alternate name in the pop-up field.

b. Physical Address

Enter your business’s physical location and click “Verify Address.”

From the address options shown, select the correct one. Often, a verified version will appear along with your original entry. Next, click “Save.”

Then, select “Next“.

4. Provide General Details

a. Operating Date

Choose the date your business began or is expected to begin operations in DC. You can use the calendar tool or enter the date manually.

Indicate whether your business was previously registered in DC. If you select “Yes”, you’ll need to supply additional details, such as:

• Previous entity name.
• Previous trade name.
• Business tax registration number.
• Name of the former owner.

The Business Website Address field is optional and may be left blank.

b. Business Activity Code (NAICS)

The North American Industry Classification System (NAICS) code identifies your business’s primary economic activity.

Click “Add/Lookup NAICS” to select your code.

b1. Enter A Keyword

Type in a single keyword related to your business (for example, “clothing”) and click “Search.”

b2. Choose A Code

Browse through the list of available codes and their short descriptions. Use the page navigation controls to view additional results. For a more detailed explanation of any code, select the code number.

Review the full description. If it accurately reflects your business activity, select “Yes”. If not, choose “No” and continue searching with different keywords or codes.

c. Officers

This section is used to add information for LLC members or managers. It will also allow you to assign a specific title to each person.

To begin, click “New/Edit Officer” to enter officer details for your LLC.

c1. Add An Officer Record

Choose “Add a record”.

Provide the individual’s information, including:

• Start date.
• End date (optional and may be left blank).
• Title (such as CEO, Officer, Partner, Owner, President, Secretary, etc.) selected from the dropdown menu.
• ID type (SSN or ITIN) and ID number.
• Full name.
• Email address and phone number.

Next, enter their address and click “OK.”

c2. Review The Officer Result Table

The officer’s details will show up in a summary table. Repeat the same process to add additional officers.

To update or remove an officer, click “New/Edit Officer,” then select the person’s title (for example, “Officer”) to make changes.

Once finished, click “Next.”

5. Account Registration

Fill out the Account Registration section by answering each tax-related question with “Yes” or “No.” This will be based on your business type, location, and income sources. At least one question should be marked “Yes.”

Let’s say you select “Yes” to register a tax account. Then, the Account Start Date will automatically match the business start date entered on the previous page. If a specific tax account begins on a different date, you’ll need to adjust it by clicking the date field.

After responding to all questions, click “Next” to proceed.

6. Account Registration Summary

After selecting the tax accounts you want to register and go through each account’s questionnaire, this page displays a summary. This way, you can confirm that no required tax types were missed.

Select “Next” to continue and begin completing the questionnaires for the selected tax types.

If you need to modify any details, click “Previous” to return to the Account Registration page and edit or remove any tax account.

7. Business And Account Verification

The Verify and Submit page is the final step in the tax registration process. Here, you can review your entire business tax registration before filing it with the OTR.

Once submitted, you won’t be authorized to make changes online. If edits are needed, click “Previous” before filing.

Scroll to the bottom of the page and select “Add Attachment.”

When uploading your document:

• Choose file type: Articles of Organization.
• Description: Articles of Organization + [Your LLC Name] (for example, Articles of Organization for John Doe LLC).
• File format: PDF is recommended.

Select “OK”.

After confirming that all information is complete and accurate, choose “Next” to submit your application.

8. Submission

Input your email address to receive confirmation and select “Submit”.

9. Tax Registration Approval & Notice Number

Once you submit Form FR-500 to the OTR, the agency reviews and processes your application.

Within about 10 business days, you’ll get a Notice of Business Tax Registration by mail. This official letter confirms that OTR has successfully registered your DC LLC.

In the top-right corner of the notice, you’ll find a critical alphanumeric code known as your Notice Number. You will use this number to apply for your Basic Business License, which I will cover in a later lesson.

Certificate Of Occupancy Or Home Occupation Permit

After completing your FR-500 filing and receiving your Notice Number, there is another step. You’ll need to secure either a DC LLC Certificate of Occupancy or a Home Occupation Permit. One of these is required as part of the business license application process. You can refer to my guides below for step-by-step instructions on how to get each permit:

• DC LLC Certificate Of Occupancy.
• DC LLC Home Occupation Permit.

Why Your LLC Is Required To Complete Tax Registration

1. You Can’t Get A Business License Without It

Every LLC operating in Washington, D.C. is required to get a District Business License before conducting business. Under DLCP guidelines, you first need to complete tax registration and receive a Tax Registration Notice Number. Only after these steps are complete, do you apply for a business license. 

Operating without a required license can lead to penalties. For instance, the District of Columbia may fine an insurance company $100 per day for operating without the required license. This can come along with additional civil penalties and fees, as outlined in DC Code § 47–2604.

2. Penalties For Failing To Meet Tax Obligations

District law imposes strict consequences for not complying with tax requirements, regardless of whether the failure is intentional. Under DC Code § 47–4103:

• Failing to file required tax returns may result in misdemeanor charges, including fines and up to 180 days in jail.
• Omitting to pay taxes or estimated taxes is also a misdemeanor, punishable by fines and/or up to 180 days of imprisonment.
• Failing to maintain required tax records or supply requested tax information can lead to misdemeanor penalties, fines, and court costs. Plus, it can result in up to 180 days in jail.

Under DC Code § 47–4102, businesses that fail to collect or remit DC taxes may face even more severe consequences:

• Owing more than $10,000 can result in felony charges, substantial fines, and up to 10 years in prison.
• Owing $10,000 or less may still lead to misdemeanor charges, fines, and up to 180 days of incarceration.

DC OTR Contact Information

If you have any inquiries, you can reach out to the Office of Tax & Revenue: 

• By phone: 202-727-4829. 
• Office hours: 8:15 A.M. to 5:30 P.M., Monday through Friday.
• Address: 1101 4th Street, SW, Suite 270, Washington, DC 20024.

Frequently Asked Questions