Palm Beach County · Waterfront
Docks, Seawalls & Dredging in North Palm Beach, FL
North Palm Beach sits on Lake Worth Lagoon / ICW, Earman River (C-17 canal) and North Palm Beach Waterway, with waterfront homes in Old Port Cove. Langley Coastal builds and repairs docks and pilings, installs boat and PWC lifts, repairs seawalls and performs dredging for property owners in North Palm Beach. Permitting is handled in full.
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Services in North Palm Beach
Every service below has its own page. Five of them have one written for North Palm Beach.
Dock Construction
New docks, complete tear-outs and rebuilds, and worn deck boards replaced.
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Piling Services
Pilings restored where they can be, replaced where they cannot, under a dock, a lift or a boathouse.
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Seawall Construction
Aging walls removed and replaced, designed with licensed engineers.
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Seawall Repair
Inspection with photo and video, then hydraulic cement, forms and rebar, or foam injection.
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Boat Lift Installation
Fitted on a new dock or one you already have, working with the lift manufacturers.
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Boat Lift Maintenance
Cables, drives and lift pilings kept working in salt water.
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Dredging
Depth restored at docks, canals and shorelines. We handle the permitting.
Explore dredging in North Palm BeachGeneral Construction
The land side of a waterfront property: building, demolition, sitework and pools.
Explore general construction in North Palm BeachNorth Palm Beach's waterfront
What shapes dock, seawall, and dredging work here. Sources are linked.
Waterways
- Lake Worth Lagoon / ICW: the village fronts the Intracoastal Waterway, the Lake Worth Lagoon, Little Lake Worth and the Earman River [en.wikipedia.org]
- Earman River (C-17 canal): an SFWMD flood-control canal that carries freshwater into the Lake Worth Lagoon; it has a saltwater-intrusion dam (S-44) about 4,100 ft west of the North Palm Beach Waterway [law.cornell.edu]
- North Palm Beach Waterway: man-made channel joining Lake Worth Creek / the ICW to C-17 [law.cornell.edu]
Waterfront neighborhoods
- Old Port Cove: gated condo/marina community on a 60-acre peninsula [en.wikipedia.org]
Marinas, bridges and inlets
- Anchorage Park Marina: 603 Anchorage Dr; ramp decal required ($100 first decal, annual Oct 1-Sep 30); wet/dry storage at capacity with a waitlist; two day docks and a walk-up kayak launch [village-npb.org]
- Safe Harbor Old Port Cove: private channel starts at ICW marker 27, 4 mi north of the Lake Worth Inlet with no bridges; 250+ vessels of 20-200 ft [waterwayguide.com]
Permits and rules in North Palm Beach
Rules change; confirm current North Palm Beach requirements with the authority before work starts.
Palm Beach County permit authorities that cover North Palm Beach →
- Seawall rule (Village of North Palm Beach (Village Engineer, Building Division))
- Village Code Sec. 5-72 (adopted by Ord. 2019-07 on 2019-07-25, amended by Ord. 2026-02 on 2026-01-22): seawall caps must sit at a minimum of 4 ft NAVD88 outside the FEMA flood zone and in the SFHA generally, and a minimum of 5 ft NAVD88 for walls in the Intracoastal, Lake Worth or the Atlantic Ocean within the SFHA/Coastal High Hazard Area. [library.municode.com]
- Dock and boat-lift permits
- Village of North Palm Beach Building Division (Chapter 5, Boats, Docks and Waterways) + FDEP + USACE. Ord. 2019-07 requires all dock construction documents to be signed and sealed by an engineer and pollution-control plans to be submitted. [village-npb.org]
- Seawall repair permits
- Village of North Palm Beach (Village Engineer reviews every seawall permit) + FDEP + USACE. Code Sec. 5-73: the village engineer reviews all seawall permits; applications need engineer-sealed plans, a Standard Penetration Test boring at least 5 ft below the deepest wall component, a wall cross-section showing channel-bottom and cap elevations, and concrete meeting ACI 318 exposure class C2. [library.municode.com]
Local conditions that matter
Tides, storms and siltation
- NOAA tidal datums at the PGA Boulevard Bridge, ICWW (station 8722548): mean range 2.64 ft, diurnal range 2.95 ft; MHHW is about 0.46 ft above NAVD88 (5.37 minus 4.91, computed) [api.tidesandcurrents.noaa.gov]
- NOAA datums at North Palm Beach (station 8722557): mean range 2.81 ft, diurnal range 3.19 ft; MHHW about 0.55 ft above NAVD88 (3.93 minus 3.38, computed) [api.tidesandcurrents.noaa.gov]
- SFWMD's Earman River (C-17) maintenance project from Alternate A1A east to the ICW replaced water-control gates and control buildings, removed vegetation and repaired canal slopes, with completion expected in 2022; this type of work follows roughly a 40-year cycle [village-npb.org]
- The Lake Worth Lagoon spans 20 miles from North Palm Beach to Ocean Ridge, receives freshwater through the C-51, C-16 and C-17 canals, and development replaced most of its mangroves and natural shoreline with seawalls and bulkheads [discover.pbcgov.org]
On the water
- The North Palm Beach Waterway and the C-17 canal (east to Lake Worth, west to the S-44 dam) are slow speed year-round; Little Lake Worth has a 50-ft shoreline slow zone; the lagoon from the A1A bridge south to the Blue Heron bridge has a 300-ft shoreline slow zone (FAC 68C-22.009) [law.cornell.edu]
- Seasonal slow speed Nov 15-Mar 31 from about 650 ft north of the Blue Heron Blvd bridge to the Port of Palm Beach turning basin, excluding the inlet area east of Singer Island [law.cornell.edu]
- Donald Ross bridge (AICW mile 1009.3) and PGA Boulevard bridge (mile 1012.6) open on the hour and half-hour; the Parker (US-1) bridge at Riviera Beach (mile 1013.7) opens on the quarter and three-quarter hour (33 CFR 117.261) [law.cornell.edu]
- Old Port Cove's channel begins at ICW marker 27, 4 mi north of the Lake Worth Inlet with no bridges in between [waterwayguide.com]
Recent Dock Work
North Palm Beach — frequently asked questions
What seawall height rule applies in North Palm Beach?
Village Code Sec. 5-72 (adopted by Ord. 2019-07 on 2019-07-25, amended by Ord. 2026-02 on 2026-01-22): seawall caps must sit at a minimum of 4 ft NAVD88 outside the FEMA flood zone and in the SFHA generally, and a minimum of 5 ft NAVD88 for walls in the Intracoastal, Lake Worth or the Atlantic Ocean within the SFHA/Coastal High Hazard Area. (Village of North Palm Beach (Village Engineer, Building Division)). An inspection of your North Palm Beach seawall, with underwater photos and video, shows whether a repair or a rebuild is the right route. [source]
Who permits a new dock or boat lift in North Palm Beach?
Village of North Palm Beach Building Division (Chapter 5, Boats, Docks and Waterways) + FDEP + USACE. Ord. 2019-07 requires all dock construction documents to be signed and sealed by an engineer and pollution-control plans to be submitted. [source]
Which North Palm Beach neighborhoods do you serve?
Waterfront neighborhoods across North Palm Beach, including Old Port Cove (ZIP 33408). North Palm Beach is in Palm Beach County, one of the four counties Langley Coastal serves.
Are there speed or manatee zones near North Palm Beach docks?
The North Palm Beach Waterway and the C-17 canal (east to Lake Worth, west to the S-44 dam) are slow speed year-round; Little Lake Worth has a 50-ft shoreline slow zone; the lagoon from the A1A bridge south to the Blue Heron bridge has a 300-ft shoreline slow zone (FAC 68C-22.009) That sets how a dredge or barge is scheduled and staged in North Palm Beach. [source]
Does Langley Coastal Construction work in North Palm Beach?
Yes. North Palm Beach is in Palm Beach County, one of the four counties Langley Coastal Construction serves; call (954) 406-0696 to schedule North Palm Beach work.
Sources for the North Palm Beach facts above are linked inline (15 public pages); they describe North Palm Beach, not Langley projects, and rules change, so confirm with the permitting authority.
Nearby Waterfront Areas We Serve
What North Palm Beach area customers say
Langley Coastal built my wife and I a rather outstanding dock and seawall down here in Ft Lauderdale. Langley Coastal provided me with up front information and costs, Highly recommended for your marine construction needs.