Sewer Service Repair Permit Application

Sewer/water service repair jobs must have a permit from either the Infrastructure Department or the Building Department, not both. If you are unsure if your work will extend into the right-of-way (ROW) call 720-977-6210 for assistance.

Effective Monday, August 29, 2022: The scheduling of and inspections for Sewer/Water service repair permits will only occur Monday, Wednesday, and Friday. Calls received on Tuesday/Thursday may not be returned until the following business day..

Construction Application Information


25 MB upload limit. CTRL+click files in the file picker to select multiple files.
Upload Traffic Control Plans and other relevant documents.

Fee Schedule

Contract Costs
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Describe miscellaneous costs in the Special Conditions field.

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Our team will review the application and send a link to pay the permit fee from a noreply email address.

Compliance Agreement

Applicant hereby agrees to comply with all provisions of the City of Thornton's Building Code, standards specifications, and drawings for design and construction, approved plans, or any other ordinance, code, law, rule or regulation, and that this permit shall be invalid, if, during the performance of the work, a violation of any of the above ensued. Should violations occur and corrective directives are not followed, this permit shall be deemed to be cancelled and the improvements shall be made to conform with these provisions or they shall be removed and replaced at the applicant's expense.