A brief explanation of what the permit is needed for is listed in the first column in alphabetical order. Names of the permit applications are listed in the second column. Just click on the name to view or print the permit application. The third column provides an explanation of how to process the permit, cost, and contact information should you have any questions.

This table is intended as a guide when deciding if a permit is necessary. There may be instances when a permit is required and it is not listed here. In addition, there may be times when activities require multiple permits. We encourage you to call 305-372-6789 if you do not see your particular case listed below or to receive additional information about what other permits might be needed in your situation.

Request time extensions for permits

Those requiring a time extension for a Class II, Class III, Class V or Class VI permit need to submit the following application 30 days before the permit expires. For more information, please call 305-372-6681.

• View the Time Extension Application 

DERM Permit Applications
This permit is needed for:	Permit Application	FAQs
Aboveground storage tank installation (within a structure)	N/A	FAQs
Aboveground storage tank installation for emergency generator	N/A	FAQs
Air pollution sources - required prior to the construction or modification of any facility or emissions unit	Miami-Dade County Air-Construction Permit	FAQs
Air pollution sources - required for the operation of any facility or emissions unit	Miami-Dade County Air-Operating Permit	FAQs
Asbestos-containing materials - needed before all demolition projects & any renovation where asbestos might be disturbed	Notice of Asbestos Renovation or Demolition Affidavit for Asbestos Survey	FAQs
Boat docking and storage facilities	Marine Facilities Operating Permit	FAQs
Biomedical waste - storage and/or processing	Solid Waste Permit Application	FAQs
Coastal construction projects such as installation or repair of docks, piers, pilings, moorings, marinas, boatlifts, davits, seawalls, and seawall caps. A Class I permit is required prior to doing any work in, on, over, or upon the tidal waters of Miami-Dade County or any of its incorporated municipalities	Class I	FAQs
Construction within non-tidal canals, canal rights-of-way, canal maintenance easements & reservations	Class III Permit	FAQs
Demolition disposal business or transfer/recycling facility - construction and operation	Solid Waste Permit Application	FAQs
Dewatering or whenever water is removed from an excavation or depressed ground	Class V Permit	FAQs
Dock(s) construction, installation or repair (including piers, pilings, moorings, marinas, boatlifts, davits, seawalls, and seawall caps). A Class I permit is required prior to doing any work in, on, over, or upon the tidal waters of Miami-Dade County or any of its incorporated municipalities	Class I	FAQs
Drainage construction in non-residential sites or landfills, remedial waste sites, etc	Class VI Permit
Drainage construction with outfalls or connection to an existing outfall	Class II Permit	FAQs
Elevation of new structures and substantially improved or damaged structures (elevation certificate) to show your structure is built in compliance with the National Flood Insurance Program (NFIP) - mandatory for all	Flood Elevation Certificate  Flood Proofing Bulletin	FAQs
Grease waste to the sewer system-flow is less than 25,000 gpd	Grease Discharge Operating Permit	FAQs
Hazardous & biohazardous waste transport-waste oil, septic waste, waste radiator fluid, photographic chemicals & other non-hazardous industrial waste	Liquid Waste Transporter	FAQs
Hazardous materials or hazardous waste - large user or generator	Industrial Facilities (IW-O) Permit	FAQs
Hazardous material or hazardous waste - small user or generator, facilities include mechanical repair facilities, machine shops, paint & body shops, chemical storage facilities, x-ray & photo developing facilities, printers & salvage yards	IW5 Permit	FAQs
Industrial pretreatment facility - a new facility to be constructed or significant changes to an existing facility	Industrial Pretreatment Facility Construction Permit	FAQs
Industrial pretreatment facility modifications being made to existing facilities	Minor Revision to an Industrial Pretreatment Facility	FAQs
Lake fill	Solid Waste/Lake Fill	FAQs
Wellfield protection areas not served by sanitary sewers – Construction within this area	IW6 Permit	FAQs
Land use - non-residential, within major wellfield protection areas not served by sanitary sewers.	IW6 Permit	FAQs
Mangrove trimming or removal and any project that involves filling or the placement of fill in coastal or mangrove wetlands. A Class I permit is required prior to doing any work in, on, over, or upon the tidal waters of Miami-Dade County or any of its incorporated municipalities.	Class I	FAQs
Mulching or composting facility - construction and operation	Solid Waste Permit Application	FAQs
Ozone-depleting compounds (ODCs) including, but not limited to, Freon (R-12 and R-22) - needed to purchase, sell, handle	Stratospheric Ozone Protection Operating Permit	FAQs
Privately owned or operated sanitary sewer systems - operation	Private Sanitary Sewer Operating Permit	FAQs
Renovation or demolition projects where Asbestos material(s) might be present or disturbed	Notice of Asbestos Renovation or Demolition Affidavit for Asbestos Survey	FAQs
Sewer pipes and pump stations (new construction OR modification of existing)	Construct a Domestic Wastewater Collection/transmission System	FAQs
Sewer system able to handle the additional flow - all applicants need this before building permit is issued	Sewer Capacity Certification (Allocation Letter)	FAQs
Sewage treatment plants (commercial greater than 5,000 gallons per day/ residential greater than 10,000 gallons per day & a public sewer system is neither operable nor available within ¼ mile of operation) - construction	Interim Domestic Wastewater Permit	FAQs
Storage tank - abandonment of a storage tank: aboveground or underground	Storage Tank Abandonment Application	FAQs
Storage tank - removal of a storage tank: aboveground or underground	Storage Tank Removal Application	FAQs
Surface Water Management Standard General Permit (Environmental Resource Permit)	ERP Permit (Surface Water Management Permit)	FAQs
Tire processing or collection	Solid Waste Permit Application	FAQs
Trees-cutting down, bulldozing, removal or relocation in Miami-Dade County, except for certain exemptions.	Tree Removal Permit Application	FAQs
Vapor recovery systems at motor vehicle refueling facilities - needed for installation & operation	Vapor Recovery Construction/Operating Permit	FAQs
Water treatment plants - construction for community systems	Potable Water Supply Operating Permit PWO - Permit Application Package	FAQs
Wellfield protection areas not served by sanitary sewers – Construction within this area	IW6 Permit	FAQs
Wetlands (Freshwater) - a Permit is required for direct and indirect impacts to freshwater wetlands including clearing, filling and/or demucking	Class IV Application Package  Class IV Application Form	FAQs