Basement Permit Information For the City of Thornton, Colorado

Each city in Colorado has it’s own set of rules and own set of permits that are required to complete a job in their city.  Thornton, Colorado is no exception to that rule as we have complied a list of requirements from the city as well as included the building permit guide for you to look over.Thornton, Colorado

Where Do Basement Permits Get Filed in Thornton, CO?

All permits and related information are submitted to the City of Thornton located at 9500 Civic Center Drive.  

Who Is Responsible for Plan Reviews?

The Building Inspection Division is responsible for the Plan Review, Permits, and Inspection of new construction projects and remodel of existing structures in the City of Thornton.

What are the Office Hours For the Planning Department In Thornton, CO?

Office hours are as follows:

Monday – 8 am – 5pm

Tuesday – 8 am – 5pm

Wednesday – 8 am – 5pm

Thursday – 8 am – 5pm

Friday – 8 am – 5pm

Saturday – CLOSED

Sunday – CLOSED

*Payments are only accepted until 4:30 during normal business hours so if you are making a payment be sure to get it to the office by 4:30.

When is a Permit Required?

According to the City of Thornton’s Website, a building permit is required any time you construct, erect, enlarge, remodel, alter, repair, move, improve, remove, convert, demolish, or change the type of occupancy of any building.  Simply put, anytime you want to make any sort of change to any building you will need a permit in Thornton.  


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