Forms for Doing Business in Longmont - City of Longmont

Forms for Doing Business in Longmont

Forms for Doing Business in Longmont

Licenses and forms that you need to do business in Longmont

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NOTE: As of January 5, 2021, there is a new sales and use tax process.
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The City has sent out registration letters to existing business with information about logging in to the new sales and use tax system. This letter includes your activation code. After you’ve registered, you will see any open tasks due to the City in your Business Center, and you also will receive reminders by email. City will send out reminders via email.
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What if I don’t receive a registration letter?

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Please check your spam folder, and add the email address support@munirevs.com to your safe sender list. If you do not know your activation code, email support@munirevs.com for assistance. Or, you can contact the City at Sales.Tax@LongmontColorado.gov or 303-651- 8672
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Longmont Sales and Use Tax License

As an entity engaged in business within the City of Longmont, you are required to have a Sales and Use Tax License. This applies to retailers, manufacturers, wholesalers, contractors, professionals, and service businesses. Charitable, nonprofit and tax-exempt entities also are included. The one-time license fee is $25. License processing may take up to 10 working days from the date the application is received by the City.
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Apply for a Sales and Use Tax License

Click here for Instructions for Registering a new business (.pdf)  If you need an accommodation to access these instructions, please contact the ADA Office.
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Completed PDF or Excel application can be dropped off in person (8 am to 5 pm Monday – Friday) or by mail to:

Longmont Sales Tax Division

350 Kimbark St.

Longmont, CO 80501
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There is a one-time processing fee of $25, which may be paid by cash or check. For assistance, please contact the Sales Tax Office at 303-651-8672 or email Sales.Tax@LongmontColorado.gov. You also can visit the Sales Tax Office in the Longmont Civic Center at 350 Kimbark Street.
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There is a one-time Temporary Sales Tax license for special events. To obtain a copy, contact the Sales Tax office.
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File Your Sales and Use Tax Return

Business that are purchased may have a Use Tax obligation

A one-time initial use tax return form will need to be completed and filed by the 20th of the month after the purchased business begins. Please contact our office for more information and to request a copy of the special return form.

Construction Use Tax Requirements and Reporting

Visit this page for construction use tax requirements and reporting

State of Colorado Business Registration

You also must register your business with the State of Colorado. Please visit the Colorado Business Express website to complete their forms.

Other Information for New Businesses

  • A list of contacts [PDF] that may be helpful to your business.
  • City Map -Streets and street names (with index), private roads, parks and recreation areas, golf courses, city facilities, schools, waterways, city limits and railroads.
  • Frequently Asked Questions (DOCX) about sales tax, licenses, and doing business in Longmont.
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Telecommunication Providers that offer local exchange service in Longmont must comply with the ordinance.

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The occupation tax is $7.5718 per line, per year based on the line count provided to the City by the vendor as of June 30 of each year.  Click here to be directed to the Telephone Occupation Tax Ordinance.
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City Clerk Special Licensing Requirements

Please check with the City Clerk’s Office for special licensing requirements required by city code for:
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  • Junk dealers, secondhand dealers and pawnbrokers
  • Establishments that serve liquor
  • Use of Public Places for special events
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Other Special Licensing Requirements

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