Economic development, retail operations, and commercial and residential building all work as a single entity here in Thornton.
There is a tremendous amount of opportunity within the City of Thornton for existing businesses to thrive and grow. Our elected officials and City staff dedicate a substantial amount of our efforts to creating an atmosphere that provides businesses located in Thornton with every possible advantage.
Starting a business? Licensing is an important step toward doing business in the city. This page presents licensing information and all of the forms needed to get started in one place. All persons engaged in business in the City are required to have a City Sales and Use Tax Business License.
Information on the city's Contracting and Purchasing processes, how to obtain solicitation documents, and more.
Contractors working in the City are subject to use tax on the materials and equipment used to complete the work.
The City of Thornton maintains an economic development website, including business listings, development news, business resources, Thornton Development Authority information, etc.
Save time and file and pay your sales and use tax return online.
The City of Thornton Revenue Division collects sales tax, use tax, lodging tax, telephone tax, E-911 fees, franchise fees, PEG fees, and pawnbroker surcharge fees. These funds are essential to providing services that make the city a vital, business and family-friendly place to live.
It's the behind-the-scenes services that keep our lives running smoothly. So whether it's making sure clean water flows out of your tap, collecting your curbside trash and recyclables, issuing a building permit, or any number of other city services, you'll find the information you need here.
Americans with Disabilities Act contact information, ADA grievance information and ADA notice.
The Thornton Animal Control unit currently consists of four full-time officers who are available between the hours of 8 a.m. and 5 p.m., seven days a week, including all holidays.
The Building Inspection Division is responsible for the Plan Review, Permit Issuance and Inspection of new construction projects and remodel of existing structures in the City of Thornton.
The city has adopted codes (or standards) that govern the use and maintenance of private property in order to ensure that property across the community is maintained to the same standard.
The City of Thornton requires licensing for all contractors involved in the construction, alteration, remodeling, repairing and equipping of buildings and structures; installation of underground utilities; construction of roads and streets and construction of all City-owned water, sewer, and storm drainage facilities.
Depending on your location, electric and gas services are provided to residents of Thornton by Xcel Energy or United Power. This information should be on your electric or gas utility bill.
Mapping information and data analysis involving the City’s Geographic Information Systems (GIS) used to assist City staff in making informed decisions about our community.
In the event of any snowstorm, the city’s first commitment is to clear the primary routes, then secondary routes – and keep them clear. In the case of a Class III storm (and only in this case) the city will plow all residential streets.
The Cone Zone provides information regarding lane closures and detours impacting the City of Thornton.
The city is committed to providing a safe and efficient transportation system for all road users.
The Environmental Services Team provides curbside trash and recycling collection services to over 29,000 homes in the City, as well as a number of other collection services for our citizens.
The City Clerk’s Office is a U.S. Department of State designated Passport Application Acceptance Facility. U.S. citizens planning international travel may apply for passports at the office, located at City Hall, 9500 Civic Center Drive, Second Floor. Passport applications are accepted by appointment only.
The City of Thornton provides water, sewer, and trash services to its citizens. One or more of these services are reflected in your bill each month.
Thornton is committed to providing dependable and sustainable water resources for our customers to enjoy…now and into the future. Thornton is proud to provide quality water services, from the protection of source water, delivery of safe drinking water, wastewater collection and stormwater management and protection.
The City of Thornton has a commitment to keep our community a safe, secure, and healthy place to live, work, and raise a family. The Police and Fire Departments and City Court system are key components of that commitment.
Sign up to be notified via phone or email by your local emergency response team in the event of emergency situations or critical community alerts.
The Thornton Office of Emergency Management plans, coordinates and supports activities to reduce community vulnerability by preparing for, responding to, recovering from, and mitigating impacts to natural and man-made disasters and large-scale emergencies.
The City of Thornton maintains a full-service Fire Department with six 24-hour fire stations. Each fire response crew consists of a station officer, firefighter/engineer, and firefighter/paramedic.
The Thornton Police Department, in an on-going partnership with residents and businesses, now has a voluntary security camera sharing program.
The Thornton Police Department is led by Chief of Police Randy Nelson and operates under the three divisions: Patrol, Administration, and Detectives, each of which is led by a Deputy Chief.
By joining the Thornton Police Department, you are choosing to be part of an exciting profession that delivers unparalleled job satisfaction.
The City of Thornton has a commitment to keep our community a safe, secure, and healthy place to live, work, and raise a family.
Through the TPD Online Reporting System, you can report non-violent crimes such as damaged property, lost property, theft, forgery, identity theft or theft from a vehicle and should only be reported if the crime is not an emergency, is not traffic related, occurred within Thornton city limits, there are no known suspects, is not a violent crime and no physical evidence was left by the suspect.
Call the non-emergency number when police, fire, and animal control services are needed, but there is no urgency or emergency in the situation. Fitting circumstances could be non-violent crimes, deceased animals in the road, or vandalism with no suspect information.
This page contains applications to our many different Festivals and Special Events. Please select the application you wish to submit and be sure to fill it out completely (incomplete applications or applications without accompanying payment will not be accepted). Print your completed application and mail with payment to the address indicated on the application. If you have any questions please send an email to
Colorado Sales Tax Remittance