Building Inspection Division

A Completed Application is required for all projects. Applications are available at the Building Permit Counter or click here for an application.
For exterior projects such as decks and patio covers, a site plan of your home is also required. The site plan must include the location and size of your project and the distances to your property line.
For proposed fence projects, site plans must show the type of material, height, location and length of the proposed fence. See the Fence Design Standards in the Building Guides Section.
Site plans may be made from the survey you received when you purchased your home or contact the Building Inspection office for other methods of providing a site plan.
For deck, patio cover and shed projects, drawings showing the framing and foundation are required. Please refer to the Building Guides for additional information on these plans.
Applicable fees will be due and payable at the time of permit issuance. See Fee Estimator for additional information.
Typical review time for a “Fast Friday” permit is 30 to 45 minutes.

Restrictions

All exterior projects greater than 480 square feet requires a Minor Development Permit and cannot be processed as a Fast Friday permit.
The Building Inspection Division reserves the right to not issue “Fast Friday” permits if staff finds unusual circumstances.
Typical review time for residential permits that do not qualify as a “Fast Friday” permit is three to five working days.

For additional information please contact

City of Thornton Building Inspection Division

303-538-7250

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