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

Newport Beach pond builders, water feature care and leak repair

Salt air and coastal fog are hard on pumps and lighting. We spec marine-grade equipment for Newport Coast, Corona del Mar and Balboa ponds and fountains.

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








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    Showa and kohaku koi through an acrylic viewing window
    Showa and kohaku through the viewing window
    Multi-tier estate stream and waterfall lit at night
    Estate stream, lit for evening
    Raised formal koi pond with stacked-stone spillway wall and stamped concrete
    Raised formal koi pond with spillway wall

    Pond and water feature conditions in Newport Beach

    Every pond, fountain and lake is a small ecosystem that answers to local conditions. These are the ones that shape how we build and service water features in Newport Beach.

    Tap water and fill water

    City of Newport Beach water is roughly three-quarters local groundwater and one-quarter imported, moderately hard and chloraminated. Salt spray, not the tap water, is the equipment killer here.

    Heat, evaporation and wind

    Marine: summer highs in the low 70s, fog through June, almost no frost. Evaporation is low, but onshore wind on bluff and bayfront lots drives splash loss from waterfalls and fountains.

    Soil, grade and excavation

    Sand and fill on the Peninsula and Balboa Island with a high water table; marine terrace and clay in Newport Coast and Corona del Mar; steep slopes above the Back Bay that need geotechnical attention before any excavation.

    Predators and wildlife

    Upper Newport Bay is the largest estuary in Southern California and home to great blue herons, snowy egrets, night herons and ospreys that treat Eastbluff and Dover Shores koi ponds as a buffet. Raccoons are everywhere near the bay.

    Black-crowned night heron holding a fish
    Night herons hunt after dark, when most deterrents are off

    Leaf and debris load

    Palms, Torrey and Canary Island pines, and ficus. Pine needles acidify water and mat on the bottom; salt-laden dust coats everything in a Santa Ana.

    Koi pond under a pergola with waterfall, lantern and koi, wide view
    Pergola koi pond, wide view

    Water features we build and service in Newport Beach

    Estate koi ponds and formal reflecting pools in Newport Coast, Pelican Hill and Harbor Ridge, bayfront courtyard fountains on Lido and Balboa Island, resort fountains at the Fashion Island hotels, and HOA lakes and streams in Eastbluff, Big Canyon and Bonita Canyon.

    Neighborhoods and communities we work in: Newport Coast, Corona del Mar, Balboa Island, Lido Isle, Eastbluff, Dover Shores, Big Canyon, Harbor Ridge, Pelican Hill.

    Residential pond, waterfall and fountain services

    Design and construction

    Scheduled care

    Repair and water loss

    Commercial water feature services in Newport Beach

    Property types

    Lake and large-feature programs

    How Newport Beach service is scheduled

    Newport Beach is inside our Orange County home route. Assessments, repairs and maintenance visits are scheduled within days, and emergency aeration can be on-site the same day for maintenance clients.

    Local water features worth knowing

    If you want to see what balanced water looks like at scale before planning your own feature, Newport Beach has good public examples nearby: Upper Newport Bay Nature Preserve; Fashion Island fountains; Sherman Library & Gardens koi pond (Corona del Mar). The same principles — depth, circulation, filtration sized to the biological load, and shade — apply to a backyard koi pond.

    Nearby cities

    Pond and water feature service in Newport Beach

    Koi ponds, waterfalls, fountains and lakes, built and cared for by crews based 30 minutes away in Orange.

    Work in Newport Beach

    Photos from Newport Beach projects go here as they are completed. Each one links to a project page.

    See more pond, waterfall and fountain projects

    Pond care guides for Newport Beach owners

    Maintenance · 19 min

    How Much Does Pond Maintenance Cost in 2026?

    Pond maintenance costs $450 to $5,000 per year depending on pond size, type, and service frequency. Breakdown by...

    Construction · 9 min

    Koi Pond Installation: What Every Homeowner Should Know

    How to plan, design, and maintain a koi pond. Koi pond installation steps, costs, and why hiring a professional...

    Maintenance · 4 min

    What to Do When Your Pond Pump Not Working?

    Learn how to fix common pond pump problems, including equipment that won't prime, leaks, and clogged filters. Keep...

    All pond care guides

    Koi Pros pond design and construction projects

    Check out Koi Pros projects

    Koi ponds and water features we've designed, built and maintain across Southern California, from the crews that serve Newport Beach.

    Pond service questions from Newport Beach

    Is Newport Beach tap water safe for koi?

    Yes, once it's treated. City of Newport Beach water is roughly three-quarters local groundwater and one-quarter imported, moderately hard and chloraminated. Salt spray, not the tap water, is the equipment killer here. We dechlorinate every refill and top-off and test the tap on the first visit.

    Why does my Newport Beach pond turn green every summer?

    Heat, light and nutrients. Marine: summer highs in the low 70s, fog through June, almost no frost. Evaporation is low, but onshore wind on bluff and bayfront lots drives splash loss from waterfalls and fountains. Add the local leaf and debris load (Palms, Torrey and Canary Island pines, and ficus. Pine needles acidify water and mat on the bottom; salt-laden dust coats everything in a Santa Ana) and an undersized filter can't keep up. UV clarification, shade and a maintenance schedule fix it.

    What's eating the fish in my pond?

    Upper Newport Bay is the largest estuary in Southern California and home to great blue herons, snowy egrets, night herons and ospreys that treat Eastbluff and Dover Shores koi ponds as a buffet. Raccoons are everywhere near the bay. Depth of 3–4 ft, overhangs, fish caves and motion-activated deterrents are the fixes that actually work; netting is the last resort.

    How much does koi pond maintenance cost here?

    Monthly residential service is priced by pond volume, fish load and access, and quoted after a first visit. Most local homeowners land on a monthly plan with a spring clean-out; we'll tell you if your pond needs less.

    Do you build new koi ponds locally?

    Yes. Sand and fill on the Peninsula and Balboa Island with a high water table; marine terrace and clay in Newport Coast and Corona del Mar; steep slopes above the Back Bay that need geotechnical attention before any excavation. We plan the excavation and base around that, then design filtration, rockwork and planting for a fixed-scope quote.

    Pond or fountain in Newport Beach?

    Schedule an on-site assessment. We'll test the water, check the equipment and tell you what it needs.

    Call Request assessment