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City of Thornton
Building Permit General Info
Are accessory dwelling units, also called "mother-in-law" apartments, allowed in Thornton?
How can I report a potential violation of the Building Code?
How can I schedule a building inspection?
How do I apply for a building permit?
How do I find out if my garage or shed has a permit?
How much will my building permit cost?
If I want to make changes to my garage or shed, do I need a permit?
What are the city's driveway requirements for residential properties?
What are the city's fence requirements?
What are the city's requirements for decks, porches, and patios?
What are the city's requirements for home additions or renovations?
What are the requirements for constructing a garage or shed on my property?
What do I do if a fence is in poor condition?
What documents do I need to submit when I request a building permit?
When is a building permit required?
Where do I report concerns about construction debris or construction projects?
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