Dunedin vs Seminole
How do grading & drainage rules compare between Dunedin, FL and Seminole, FL?
Dunedin and Seminole have similar restriction levels.
Dunedin, FL
Pinellas County
Dunedin requires drainage plans and proper lot grading for new construction and site development. Plans must show finished grades, retain stormwater on site where required, and meet minimum pipe size and storm-event design standards.
View full Dunedin rules →Seminole, FL
Pinellas County
Seminole regulates lot grading and drainage through the Land Development Code in Subpart B and Florida Building Code site provisions, requiring positive drainage away from structures and prohibiting redirection that harms neighboring properties.
View full Seminole rules →Key Facts Comparison
| Fact | Dunedin | Seminole |
|---|---|---|
| Plan requirement | Drainage plan with finished grades | - |
| Min pipe diameter | 15-inch RCP | - |
| Design storm | 10-year minimum | - |
| Inlet spacing | 400-foot ridgeline maximum | - |
| Time of concentration | 15 minutes minimum | - |
| Authority | - | Land Development Code Subpart B |
| Building code | - | Florida Building Code site rules |
| Foundation slope | - | 6 inches per 10 feet |
| Neighbor protection | - | No adverse diversion |
| State permit | - | SWFWMD ERP for fill |
Highlighted rows indicate differences between cities.
Dunedin FAQ
Do I need a drainage plan to build in Dunedin?
Yes. Site plans must include finished grades and a drainage plan, and projects must meet Dunedin's pipe sizing, storm-event, and inlet spacing standards.
Can I regrade my yard freely?
Significant grading that changes drainage patterns or impacts neighboring properties or public rights-of-way requires city review and approval to avoid violations.
Seminole FAQ
Do I need a permit to regrade my Seminole yard?
Minor landscaping usually does not, but adding fill, changing lot elevation, or altering drainage patterns typically requires a city permit and may trigger an SWFWMD Environmental Resource Permit.
My neighbor's grading is flooding my Seminole yard - what can I do?
File a complaint with Seminole code compliance. The Land Development Code prohibits redirecting drainage that harms adjacent properties, and the city can require corrective grading or engineered fixes.
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