WallDockDeck
Highland Beach · Palm Beach County

How high does a seawall have to be in Highland Beach?

BFEFEMA base flood elevation

Highland Beach requires seawalls west of A1A to be at the FEMA base flood elevation or higher. There is no fixed number; it depends on the property's flood map.

Source: Town of Highland Beach Code, Ch. 6 Art. V Seawalls; Bulkheads; Retaining Walls, Secs. 6-127, 6-128 (Ord. 2025-002) · Verified 2026-10

The detail

West of A1AAt base flood elevation (BFE) or higher per FEMA FIRM - Sec. 6-128(b)
Cap + dock widthCombined max 8 ft - Sec. 6-128(b), 30-68(g)(6)b
Oceanfront ridgeSeawall elevation not less than 16 ft (finished elevation 16 ft 'above mean sea level', no datum year) - Sec. 6-127(d)(1), (d)(4)a; subsection (d) prevails over other chapters per 6-127(d)(12)
ApprovalPlanning board special exception - Secs. 6-127(a), 6-128(a)
Conflicting wordingThe zoning code separately says an oceanfront seawall's finished elevation must be 'consistent with applicable state requirements'; the seawall article says its own subsection, with the 16 ft figure, wins over conflicting chapters - Secs. 30-83(d)(3)b, 6-127(d)(12)

Your city's height sheet

The elevation your city requires, the datum it is measured in, and the section of code that says so. One page.

Available for the cities whose rule we have verified and sourced.

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The county rule behind this

What applies across Palm Beach County, and where each city departs from it.

The same question, nearby

The rule changes at the city line, not the county line.

Other questions about Highland Beach

Twelve signs a seawall is failing

What to look for, where to look for it, and what it means when you find it. Walk your wall in twenty minutes.

A screening sheet for owners, not an engineering inspection.

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