# Bradenton's Site Plan Requires Slab Elevation, Crown of Road Elevation at the Driveway, and an Infiltration System
Most residential site plans in Florida show property lines, setbacks, and the structure footprint. Bradenton's requirements add four specific elements that trip up most first-time applicants:
1. Slab elevation — the proposed elevation of the concrete slab or floor system, shown on the site plan (not just on the foundation drawings).
2. Crown of road elevation — the elevation at the centerline of the road, shown at the driveway entry point. This verifies that your lot's finish grade drains toward the road rather than pooling at the property.
3. Infiltration system — a stormwater infiltration or drainage system shown on the site plan with dimensions. This is Bradenton's way of documenting that stormwater from new impervious surfaces is managed on-site before leaving the property.
4. Landscaping plan — required as part of the permit application.
These aren't optional additions. Missing any of them means an incomplete submission.
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Full Bradenton Site Plan Checklist
| Element | Bradenton Requirement |
|---|---|
| Property lines | Lot boundaries with accurate dimensions |
| Setbacks | Front 25 ft, rear 20 ft, interior side 7.5 ft (RSF zones) |
| Proposed structure | Location, footprint, dimensions, use |
| Parking | Number of required spaces and location |
| Slab elevation | Proposed slab elevation shown on site plan |
| Landscaping plan | Required — existing and proposed trees and landscaping |
| Crown of road elevation | Elevation at road centerline shown at driveway entry |
| Infiltration system | Stormwater infiltration system with dimensions |
| North arrow | Required |
| Scale | Stated on drawing |
| Title block | Address, owner, date |
Additionally, for enclosures and additions:
- Architectural floor plans (all levels)
- Elevation drawings
- Structural calculations for load-bearing changes
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Bradenton Setbacks (RSF Zones)
| Yard | Setback |
|---|---|
| Front yard | 25 ft |
| Rear yard | 20 ft |
| Interior side | 7.5 ft |
| Pool and pool cage | No encroachment into easements or drainage swales |
Verify your specific zoning district with the Building & Construction Permitting department — RSF setbacks above are for standard Residential Single Family zones. Waterfront lots and other special districts may have different requirements.
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Deck and Patio Permit Thresholds
Two permit triggers that catch homeowners off guard:
Decks: Decks more than 30 inches above grade require a permit and site plan. Decks at or below 30 inches are typically exempt — but confirm with the city, as attached decks may have different thresholds.
Screened patios: Screened patios under a roof require a permit as an enclosure — even if the screen is just aluminum framing and screen material. Once there's a roof over the screen, it becomes an enclosed structure under Florida Building Code and requires a permit.
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Bradenton vs. Manatee County
Bradenton city limits and unincorporated Manatee County use different permit offices:
| Jurisdiction | Permit Office |
|---|---|
| City of Bradenton | City Building & Construction Permitting |
| Unincorporated Manatee County | Manatee County Building Department |
A Bradenton mailing address doesn't automatically mean your parcel is inside city limits. Check the Manatee County GIS or Property Appraiser to confirm your parcel's jurisdiction before submitting. The wrong office means starting over.
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Room Additions: Full Plan Review Required
Room additions in Bradenton require a complete plan review process — not just a site plan. Full requirements include:
- Site plan with all Bradenton-required elements (including slab elevation and infiltration system)
- Architectural floor plans (all levels)
- Elevation drawings
- Structural calculations for any load-bearing changes
- Inspections: footing, framing, and final
Do not proceed on a room addition without the full plan review package approved.
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Project-by-Project Requirements
| Project | Key Bradenton Consideration | Guide |
|---|---|---|
| Deck | Permit if deck > 30 inches above grade; site plan with slab elevation | Permit if elevated |
| Pool | Site plan; no pool cage in easements or drainage swales | Permit required |
| Screened patio | Permit required if under a roof — treated as enclosure | Permit if roofed |
| Shed | Footprint, setbacks, infiltration note | Permit required |
| Fence | Property lines, fence location, height | Verify requirement |
| Garage | Full site plan — slab elevation, crown of road, infiltration | Permit required |
| Addition | Full plan review — site plan plus floor plans, elevations, structural calcs | Permit required |
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Using the Site Plan Creator for a Bradenton Permit
- Enter your Bradenton address. Manatee County parcel data loads — lot boundaries and dimensions from county records.
- Place your project. Setback lines at 25/20/7.5 ft generate from the lot boundaries. Verify your RSF zone setbacks.
- Add slab elevation. Note the proposed slab elevation (e.g., "Proposed slab elev. = 12.5 ft NAVD") in the title block or plan notes.
- Add crown of road elevation. Note the road centerline elevation at the driveway entry point — this comes from your property survey or the city's GIS elevation data.
- Sketch infiltration system. Add a simple drainage/infiltration area to the site plan with a note like "French drain / infiltration trench, 25 ft × 3 ft" or reference to the system type and location.
- Note landscaping. Add existing trees and proposed landscaping areas on the drawing.
- Export and upload. The city accepts digital plan submissions — upload the site plan as a separate PDF from the permit application form.
See how to edit your title sheet to add elevation notes and compliance information before exporting.
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What This Doesn't Replace
The site plan creator produces preliminary, conceptual drawings. It does not produce a licensed land survey, a stormwater engineering plan, or a structural engineering report. Slab elevation, crown of road elevation, and infiltration system sizing should be based on site-specific data from a licensed surveyor or civil engineer where accuracy is critical. Room additions require structural calculations from a licensed design professional. Final permit approval is at the sole discretion of the City of Bradenton Building & Construction Permitting department.
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Local Resources
- City of Bradenton Building & Construction Permitting
- Manatee County Property Appraiser GIS — confirm city vs. county jurisdiction
- FEMA Flood Map Service Center
- Florida Building Code 8th Edition Resources
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Nearby Florida Cities
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Frequently Asked Questions
1. What is the slab elevation requirement in Bradenton?
The proposed slab elevation — the elevation of the concrete floor or slab system for the proposed structure — must be shown on the site plan. This is typically expressed as an elevation above mean sea level (NAVD 88). It lets the city verify floodplain compliance and drainage relationships to adjacent properties.
2. What is crown of road elevation and why does it appear on a site plan?
Crown of road elevation is the elevation at the centerline of the public road, measured at the point where the driveway connects to the street. It documents that the lot's drainage grades correctly toward the road. If your lot's finish grade is lower than the road crown, water pools on the lot — a code compliance issue. Note this elevation on the site plan at the driveway entry.
3. What is an infiltration system in the context of a Bradenton site plan?
A stormwater infiltration system is any drainage feature designed to absorb surface water into the ground on-site — French drains, dry wells, infiltration trenches. Bradenton requires the system to be shown on the site plan with dimensions. The intent is to manage the stormwater runoff from new impervious surfaces without sending it directly to the street or neighboring properties.
4. At what height does a deck require a permit in Bradenton?
Decks more than 30 inches above grade require a building permit and site plan. Verify with the Building department whether this threshold applies to all decks or only attached decks — definitions can vary.
5. Why does a screened patio under a roof require a permit in Bradenton?
Under the Florida Building Code, any structure with a roof — even a screened enclosure — is treated as a building and requires a permit. The "under roof" designation triggers the enclosure category. An open pergola without a solid roof has a different permit threshold.
6. How do I tell if my property is in Bradenton city limits or Manatee County?
Use the Manatee County Property Appraiser's GIS to look up your parcel. The ownership record will indicate whether the jurisdiction is the City of Bradenton or unincorporated Manatee County. Call the city's permitting department to confirm if you're uncertain.
7. Can I submit my Bradenton permit application online?
Yes — the city accepts digital permit applications with plans uploaded as separate PDF files. The building permit application must be uploaded as a separate file from your electronic plans.
8. What structural requirements apply to room additions in Bradenton?
Room additions require floor plans, elevation drawings, and structural calculations for any load-bearing changes — plus footing, framing, and final inspections. Wind bracing and hurricane resistance details are non-negotiable under Florida Building Code. Engage a licensed design professional for the structural calculation package.
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Start Your Bradenton Site Plan
Slab elevation labeled. Crown of road elevation at driveway. Infiltration system shown. Setbacks from RSF zone. Enter your address, pull Manatee County parcel data, place your project, add the elevation notes and drainage system, and export. First plan is free.
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