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🌍 Environmental Rules/Flood Zones

Dunedin vs Largo

How do flood zones rules compare between Dunedin, FL and Largo, FL?

Dunedin and Largo have similar restriction levels.

Dunedin, FL

Pinellas County

Heavy Restrictions

Dunedin's Chapter 105 floodplain regulations apply to construction in FEMA Special Flood Hazard Areas. New buildings and substantial improvements must meet base flood elevation, freeboard, and the FEMA 50% rule for renovations.

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Largo, FL

Pinellas County

Heavy Restrictions

Section 11.5 of Largo's Comprehensive Development Code regulates floodplain construction, requiring elevation, flood-resistant materials, and substantial improvement compliance for buildings in FEMA Special Flood Hazard Areas.

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Key Facts Comparison

FactDunedinLargo
Code chapterChapter 105 Division 4-
AuthorityBuilding Official as Floodplain AdministratorCDC Section 11.5
Maps usedFEMA FIRM panels-
FEMA 50% ruleTriggers full compliance-
V-zonePile foundations required-
Trigger-FEMA Special Flood Hazard Area
Standard-Elevate to design flood elevation
Substantial improvement-50% market value rule
Administrator-City Floodplain Administrator

Highlighted rows indicate differences between cities.

Dunedin FAQ

What is the FEMA 50% rule in Dunedin?

If repairs or improvements equal or exceed 50% of a building's market value, the entire structure must be brought up to current floodplain standards including base flood elevation.

Do I need a permit to build in a flood zone?

Yes. Any construction in a Special Flood Hazard Area requires a Dunedin floodplain development permit and must meet base flood elevation, freeboard, and design requirements.

Largo FAQ

Do I need a Largo flood permit to renovate my McKay Creek home?

Yes. Any improvement or repair in a Special Flood Hazard Area needs a floodplain development permit, and Section 11.5 evaluates whether the project is a substantial improvement requiring full code compliance.

What is substantial improvement under Largo CDC Section 11.5?

An improvement or repair whose cost equals or exceeds 50 percent of the structure's market value before improvement triggers Section 11.5 substantial improvement provisions, including elevation to the design flood elevation.

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