Planning and Zoning

How do I apply for a Development Permit or Specific Use Permit?
What is a Development Permit or Specific Use Permit?

Accessory Dwelling Units ("mother-in-law" units)

Are accessory dwelling units, also called "mother-in-law" apartments, allowed in Thornton?
How do I apply for a building permit?
When is a building permit required?

Construction Debris Concerns

Where do I report concerns about construction debris or construction projects?

Decks, Porches, and Patios

How do I apply for a building permit?
Is there a way to get a building permit while I wait?
What are the city's requirements for decks, porches, and patios?
When is a building permit required?

Development Projects

How can I find out what is proposed to be built at a certain location?
How can I get information on the current business projects in the city of Thornton?

Driveways

How do I apply for a building permit?
What are the city's driveway requirements for residential properties?
When is a building permit required?

Fences

How do I apply for a building permit?
Is there a way to get a building permit while I wait?
What are the city's fence requirements?
What do I do if a fence is in poor condition?
When is a building permit required?

Flood Plain Information

How can I learn about flood plains or flood insurance?

Garages and Sheds Regulations

How do I apply for a building permit?
How do I find out if my garage or shed has a permit?
If I want to make changes to my garage or shed, do I need a permit?
What are the requirements for constructing a garage or shed on my property?
When is a building permit required?

Home Additions

How do I apply for a building permit?
What are the city's requirements for home additions or renovations?
When is a building permit required?

Hydrant Meter Rental

How can I rent a hydrant meter for my construction project?
How do I schedule a hydrant flow test?

Maps

What types of city maps are available and how can I obtain a copy?

Subdivision Plats

How can I obtain a copy of my property's subdivision plat?
How do I apply for a new subdivision or subdivision amendment?
What is a subdivision plat?

Zoning

How do I apply for a re-zoning?
How is my property zoned?
What uses are allowed on my property?

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