The Business Improvement Grant (BIG), administered by the Office of Economic Development, is available to help fund business improvements that will result in the creation and retention of jobs, increased sales revenue, and increased capital investment in Thornton facilities. BIG is primarily a matching funds program. Once approved, the Planning, Development Engineering, and Building Divisions work with awardees to coordinate permits, inspections, and project requirements.
Eligibility:
- A commercially licensed business in Thornton for at least 24 months.
- Located in non-residential zoning designations and not on public property.
- In compliance with all city taxes, licensing, and applicable laws and ordinances.
- Exclusions: Funding cannot be used for non-profits, marijuana businesses, or residential living facilities.
- Grant amount is up to $20,000 once every 3 years.
The 2026 application deadline has passed. Please check back in January 2027.
For assistance, please first read the Information & FAQ below, then contact Carla Courter at 303-538-7665 or carla.courter@ThorntonCO.gov.
If you prefer to download a printable PDF of the application, information and requirements, or FAQs, click the links below.


