Understanding Palm Beach County's local drainage regulations ensures your project proceeds smoothly and receives permit approval on the first submission.

PB-O-128: Fill and grading regulations effective August 2022
ULDC Article 18: Flood Damage Prevention (updated December 2024)
Florida Building Code 8th Edition with PBC Amendments (effective December 2023)
SFWMD Environmental Resource Permit for projects affecting wetlands or surface water

Palm Beach County Environmental Data

Water Table 2-8 feet depending on location (lower near coast)

Flood Zone Mixed AE, X, and VE zones along coast

Permit Authority Palm Beach County Planning, Zoning & Building (PZB)

Palm Beach County Engineering Department

Phone: (561) 684-4000

Palm Beach County requires engineer-stamped drainage plans for residential additions over 200 sq ft. LWDD (Lake Worth Drainage District) approval may be required for properties in their jurisdiction.

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Frequently Asked Questions

Palm Beach County Drainage FAQs

How much does drainage design cost in Palm Beach County?

Residential drainage design in Palm Beach County typically ranges from $2,500 to $7,000 for standard projects. Costs depend on lot size, complexity, and whether LWDD (Lake Worth Drainage District) approval is required. Commercial projects range from $8,000 to $30,000+. Contact us for a free estimate specific to your property.

Do I need a permit for drainage work in Palm Beach County?

Yes. Palm Beach County requires engineer-stamped drainage plans for most modifications, including residential additions over 200 sq ft. Permits are submitted through the ePZB portal. Properties in LWDD jurisdiction may need additional approval. SFWMD Environmental Resource Permits may also be required for projects affecting wetlands or surface water.

How long does drainage permit approval take in Palm Beach County?

Standard drainage permit reviews in Palm Beach County typically take 2 to 4 weeks through the Planning, Zoning & Building department. Projects requiring SFWMD coordination or LWDD approval may take 4 to 8 weeks. Our team handles the entire process, and we maintain a 100% first-time approval rate.

What drainage services does StructureSmart offer in Palm Beach County?

We provide comprehensive drainage engineering throughout Palm Beach County, including residential drainage design, commercial stormwater management, grading plans, French drain design, permit assistance, and SFWMD coordination. As our home base, we offer same-day service availability and deep knowledge of local regulations.

What are the biggest drainage challenges in Palm Beach County?

Palm Beach County faces high water tables (2-8 feet in eastern communities), strict fill regulations under PB-O-128, saltwater intrusion concerns in coastal areas, and many older developments lacking adequate stormwater systems. Our engineers design solutions tailored to these specific local conditions.

Resources

Drainage Guides & Insights

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Drainage Services in Palm Beach County

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Palm Beach County Drainage FAQs

Drainage Guides & Insights

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Florida Drainage Permits: The Complete Guide

SFWMD Permit Requirements for Drainage Projects

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