- Hydroelectricity
- Identity Theft
- Immigrant Heritage Month
- Inclusionary Housing
- Indigenous Peoples Day
- Indigenous Peoples Projects
- Industrial Pretreatment Program
- Iniciativa de servicios para la juventud
- Instream Flow Program
- Integrated Pest Management Program
- Intergovernmental Affairs
- Investment and Grant Compliance
- Itinerant Merchant (Door to Door Sales) License
- Juneteenth
- Junior Ranger Program
- Kickball
- La Vida Mágica de los Árboles
- Land Acquisition and Real Estate Services Program
- Landlord, Tenant and Roommate Resources
- Landmark Alteration Certificate Application and Review
Use Boulder For Me to see what services you qualify for.