Septic Design, Site Evaluation and Permits in Miami-Dade
A septic permit in Miami-Dade comes from two offices: the Florida Department of Health in Miami-Dade issues the construction permit...
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Septic Design and Permits: the short answer
A septic permit in Miami-Dade comes from two offices: the Florida Department of Health in Miami-Dade issues the construction permit after a site evaluation, and DERM approves new and whole replacement systems with plans signed and sealed by a Florida professional engineer.
The site evaluation measures the soil and the wet-season water table; the design then sets the treatment unit, the drain field size and height, and the setbacks: 100 feet from surface water and, without public water, 50 feet from property lines.
State fees are modest, $100 for a new system application and plan review and $115 for a site evaluation, but the engineering, County review and site work are where time and money go. We prepare one package for both agencies.
Services in this category
Septic System Design and Permitting in Miami: Professional Engineering & DERM Approval
We design septic systems for Miami-Dade sites and take them through permitting.
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Septic Permit Application and Approvals in Miami: DERM Permit Process & Requirements
We handle the permits for septic work in Miami-Dade: the state construction permit and, for new or fully replaced...
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Site Evaluation for Septic Installation in Miami: Professional Soil Testing & Feasibility Assessment
We arrange the site evaluation a septic permit needs: soil, water table and setbacks.
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Septic design and permits by city
Each page covers what is different about design and permits in that place: septic counts, groundwater and housing age, from County and Census data.
Questions
Who issues septic permits in Miami-Dade?
The Florida Department of Health in Miami-Dade issues construction permits; DERM approves new and whole replacement systems under Ordinance 22-83.
What does a site evaluation measure?
The soil profile and the wet-season high water table, which decide how high the drain field must sit and what treatment unit is needed.
Sources
Last updated: October 28, 2026. Facts and figures on this page come from these sources, opened on October 28, 2026. Prices are typical published ranges, not a quote.
- Onsite Sewage FAQ: Permitting, Florida Department of Environmental Protection (last modified 24 Sep 2026). Opened 28 Oct 2026.
- Ordinance relating to Onsite Sewage Treatment and Disposal Systems (Ordinance 22-83, adopted 7 Jul 2022), Miami-Dade County Board of County Commissioners. Opened 28 Oct 2026.
- Rule 62-6.030, F.A.C.: Fees, Florida Administrative Code, Florida Department of State (flrules.org). Opened 28 Oct 2026.
- Rule 62-6.006, F.A.C.: Site Evaluation Criteria, Florida Administrative Code, Florida Department of State (flrules.org). Opened 28 Oct 2026.