Dunedin vs Largo
How do grading & drainage rules compare between Dunedin, FL and Largo, FL?
Dunedin and Largo 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 →Largo, FL
Pinellas County
Largo regulates site grading and drainage through CDC Chapter 11 stormwater rules and Chapter 8 general design standards, requiring runoff to be managed on site without harming neighbors or the public storm system.
View full Largo rules →Key Facts Comparison
| Fact | Dunedin | Largo |
|---|---|---|
| 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 | - | CDC Chapter 11 |
| Companion rules | - | CDC Chapter 8 and Section 11.5 |
| Review | - | Engineering Services |
| Outside layer | - | SWFWMD permits |
| Floodplain fill | - | Restricted |
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.
Largo FAQ
Can I raise my Largo yard with fill to fix drainage problems?
Significant fill or regrading requires an engineering review under Chapter 11 to confirm runoff is contained on site. In a FEMA Special Flood Hazard Area, Section 11.5 also limits fill that would alter base flood elevations.
My neighbor's new driveway pushes water onto my Largo lot - what can I do?
Largo code prohibits redirecting runoff onto adjacent parcels. You can file a code compliance complaint, and Engineering Services can require corrective grading or drainage improvements under Chapter 11.
Compare other topics
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