A man in a blue jacket and hat cleaning a wooden dock with a hose at sunset. There is a workboat labeled 'WORKBOAT' moored nearby.
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Professional Dock Cleaning and Maintenance Services.

Protect your waterfront investment with Janderson Marine Services—your trusted partner committed to delivering licensed, insured, and environmentally-safe marine solutions. Our innovative approach ensures that every project not only enhances the value and beauty of your property but also safeguards the surrounding ecosystem. Choose expertise that respects nature and protects your asset for years to come.

  • For light buildup and seasonal touch-ups

    • Decking only Pressure wash

    • Cleans decking, ladders, bumpers, & hardware

    • EPA-friendly, no harsh chemicals

    Starting at:$.50–$1.25 per sq ft
    Pricing depends on build-up and amount of ladders/hardware/bumpers/etc

  • Restores dock appearance + safety

    • Full dock pressure wash

    • Algae, mildew, grime & UV buildup removal

    • Pile & lift frame cleaning

    • Ladder & railing detail

    • Light rust/metal polish on cleats/hardware

    Starting at:$1.25–$2.25 per sq ft
    Pricing depends on build-up and amount of ladders/hardware/bumpers/etc

  • For heavily weathered docks

    • Full Standard wash and Brighten

    • Two-stage deep cleaning

    • Mildew & organic growth treatment (safe & biodegradable)

    • Brush agitation on problem areas

    • Lift cradle cleaning (where accessible)

    Starting at:$2.25–$4.00 per sq ft

  • Hands-off dock care for waterfront homeowners

    • 2–4 scheduled cleanings/year (seasonal)

    • Priority booking

    • Special pricing & touch-ups included

    • Inspection notes provided (loose boards, rust, hazards)

    Monthly Plans From: $85/mo depending on dock size

  • We perform minor topside dock repairs to keep your waterfront safe, functional, and looking its best. Our services cover small‐to‐medium dock fixes with minimal disruption to your property.

    Services include:

    • Replacing damaged or rotted deck board.

    • Sanding and Staining decking.

    • Tightening or replacing loose hardware & fasteners

    • Repairing or replacing rub rails & bumpers

    • Ladder repair & replacement

    • Small fascia and trim repairs

    • Minor structural touch-ups to braces & joists above the waterline

    • Cleat installation & relocation

    • Deck board leveling and trip-hazard correction

    We specialize in fast, clean, and reliable shoreline service, ideal for maintaining safety and extending the life of your dock — without the cost or hassle of major construction crews.
    Repairs start at $75 per hour.


    To stay focused and safe, we do not perform barge work, diving, pile replacement, underwater welding, salvage, towing, or heavy marine construction. Our services are designed for maintenance, inspection, and support — not major rebuilds.

Underwater drone exploring a submerged environment near metal structures with moss

Underwater ROV Video and/or Sonar Inspections

(Coming Soon in summer of 2026)

  • Using professional grade ROV Technology, we inspect underwater structures without the need for a dive team. We capture HD video or sonar imagery to illuminate major damages, growth, or sunken hazards in and around your docks immediate surrounding waters.

  • We provide ROV-assisted pre-dive sweeps to identify entry points, mark target locations, assess underwater conditions, and locate potential hazards before divers enter the water. Our service improves diver safety, reduces search time, and increases mission efficiency.

  • We provide Professional ROV Video/Sonar documentation of docks, pilings, seawall. bulkheads, lifts, and shoreline structures before and after construction or severe weather events. This service creates a verified record of existing conditions, confirms completed work, and helps identify damage or changes over time.

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