Building the best and fixing the rest · Mon–Fri 8–4 · Sat 9–5 · Orange, CA · Serving Southern California & Arizona [email protected]
Koi Pros

Shoreline stabilization and bank erosion repair for lakes and basins

Eroding banks silt in the lake, undercut walkways and eventually become a liability claim. We rebuild edges with a stabilization method matched to slope, wave action and how the shoreline is used.

    Request an assessment

    Tell us about the feature and where it is. We reply within one business day.








    Or call (714) 613-0123. No marketing emails; we only follow up about your request.

    Community swimming lagoon with sand beach, palms and the Santa Ana Mountains behind
    Community lagoon, Rancho Santa Margarita
    Refilled turquoise community lagoon with beach club and umbrellas behind
    Lagoon refilled and reopened, Rancho Santa Margarita
    Panorama of a drained community lagoon with new white liner being covered in sand
    Lagoon relining underway, Rancho Santa Margarita

    Methods

    • Riprap and rock armoring for high-energy edges
    • Coir logs and geotextile with native plantings for natural banks
    • Articulated concrete block and gabion walls where walkways sit at the edge
    • Regrading and drainage correction to stop runoff scouring
    Panorama of a community lake with new boulder shoreline and plantings, Orange County
    New boulder shoreline on a community lake, Orange County

    Signs you need shoreline help

    • Banks are undercut or slumping
    • Walkways, tee boxes or fences near the water are cracking or tilting
    • The lake is visibly shallower from washed-in soil
    • Storms leave muddy water for weeks

    What drives the cost

    Priced per linear foot by method: coir and plantings at the low end, riprap and geotextile in the middle, articulated block and gabions at the high end. Access and equipment staging affect cost more than the method does.

    What this service covers

    Shoreline restoration sits under the wider heading of lake management. Clients tend to call it shoreline repair or bank stabilization; whatever the name, the work breaks down into a few distinct jobs:

    Riprap and rock armoring

    Graded rock over geotextile for high-energy edges.

    Coir log and geotextile edges

    Biodegradable logs and fabric that establish a planted, natural bank.

    Articulated concrete block

    Interlocking block mats for edges with walkways and heavy foot traffic.

    Gabion walls

    Rock-filled wire baskets for steep or undercut banks.

    Planted and bioengineered banks

    Native plantings and live stakes that hold soil as they grow.

    Regrading and drainage correction

    Stopping the runoff that scours the bank in the first place.

    Terms you'll hear from our technicians on this work: wave action, scour, undercutting, sediment, native plantings, geotextile, riprap, retention basin, flood control.

    Where we offer it

    Routed service through Orange County, Los Angeles, San Diego County, the Inland Empire and the Coachella Valley, with construction and commercial crews traveling to Arizona.

    Shoreline Restoration across Southern California and Arizona

    Orange County home base, routed crews from Los Angeles to San Diego and the desert. One call, one crew, written findings.

    Before and after: shoreline calls

    Boulders being set along a community lake shoreline with homes and boats behind
    During: boulders set along the shoreline
    Community lake edged with new boulders and a fishing-boy statue, lakefront homes behind
    After: finished boulder shoreline, same lake

    Check out Koi Pros projects

    Koi ponds, waterfalls and water features we've designed, built and maintain across Southern California, in one minute. The same crew handles shorelines.

    Guides on shorelines

    Maintenance · 8 min

    Signs Your Pond Needs Professional Cleaning Services

    Learn the key signs your pond needs professional cleaning services, from murky water to algae growth. Keep koi...

    Maintenance · 18 min

    How to Remove Pond Sludge and Muck: Methods by Pond Size

    Pond sludge accumulates from fish waste, leaf litter, and decaying algae. Covers vacuuming, beneficial bacteria,...

    Maintenance · 7 min

    How to Clean Green Water in Your Pond

    Struggling with green water in your pond? Learn proven tips to clear algae, improve filtration, and restore clean,...

    All pond care guides

    Questions about shorelines

    Does shoreline work need a permit?

    Work on private recirculating lakes usually doesn't. Anything touching a natural waterway or a flood-control basin may involve the county or a state agency; we'll tell you at the assessment.

    Need shoreline help?

    We assess the whole system first, then quote a fixed scope. Call or send the form.

    Call Request assessment