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

Torrance pond builders, water feature care and leak repair

South Bay homes and office parks; a regular stop on our LA maintenance route.

    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.

    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 Torrance

    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 Torrance.

    Tap water and fill water

    Torrance Municipal Water blends imported supply with locally desalted groundwater; moderately hard, chloraminated.

    Heat, evaporation and wind

    Mild South Bay: upper 70s in summer, marine layer, frost-free; the Hollywood Riviera gets more wind.

    Soil, grade and excavation

    Sandy loam on the flats, terrace clay on the Riviera slopes.

    Predators and wildlife

    Madrona Marsh, the last vernal wetland in the South Bay, keeps herons and egrets in the air over Torrance ponds; raccoons citywide.

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

    Leaf and debris load

    Pine, ficus and liquidambar; moderate load.

    Water garden with lily pads, flagstone edging and perennial borders
    Water garden with lilies and flagstone edge

    Water features we build and service in Torrance

    Hollywood Riviera and Walteria homes with view ponds and fountains, 1950s–60s tract homes with original features, and office parks and hotels along Hawthorne and the 405 with entry fountains.

    Neighborhoods and communities we work in: Hollywood Riviera, Walteria, West Torrance, Old Torrance, North Torrance.

    Residential pond, waterfall and fountain services

    Design and construction

    Scheduled care

    Repair and water loss

    Commercial water feature services in Torrance

    Property types

    Lake and large-feature programs

    How Torrance service is scheduled

    Torrance is on our Los Angeles route: weekly routed maintenance, repair visits scheduled around the route, and construction crews dispatched from Orange County for the duration of a build.

    Local water features worth knowing

    If you want to see what balanced water looks like at scale before planning your own feature, Torrance has good public examples nearby: Madrona Marsh Preserve; Wilson Park; Torrance Cultural Arts Center plaza. 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 Torrance

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

    Work in Torrance

    Photos from Torrance 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 Torrance owners

    Maintenance · 10 min

    Algae Removal and Control: Keeping Your Pond Clear All Year Long

    Practical algae removal and prevention for Southern California ponds: causes, eco-friendly control methods, UV...

    Maintenance · 20 min

    Seasonal Pond Maintenance in California: Year-Round Care Guide

    Seasonal pond maintenance in California covers water chemistry, algae control, equipment inspection, and fish care...

    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...

    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 Torrance.

    Pond service questions from Torrance

    Is Torrance tap water safe for koi?

    Yes, once it's treated. Torrance Municipal Water blends imported supply with locally desalted groundwater; moderately hard, chloraminated. We dechlorinate every refill and top-off and test the tap on the first visit.

    Why does my Torrance pond turn green every summer?

    Heat, light and nutrients. Mild South Bay: upper 70s in summer, marine layer, frost-free; the Hollywood Riviera gets more wind. Add the local leaf and debris load (Pine, ficus and liquidambar; moderate load) 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?

    Madrona Marsh, the last vernal wetland in the South Bay, keeps herons and egrets in the air over Torrance ponds; raccoons citywide. 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. Sandy loam on the flats, terrace clay on the Riviera slopes. We plan the excavation and base around that, then design filtration, rockwork and planting for a fixed-scope quote.

    Pond or fountain in Torrance?

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

    Call Request assessment