A pond with colorful koi fish swimming among plants and rocks, with a lush green hedge and trees in the background.
A backyard with a rectangular pond surrounded by rocks and plants, a small wooden bridge over the pond, and a white wall with two potted ferns behind it. There is a wooden pergola overhead and a wooden fence in the background.
A small pond surrounded by rocks and grass in an outdoor setting.
Koi fish swim in a pond near the edge of a wooden deck, with some green foliage at the top left corner.
Water garden with steps. This Japanese water feature is entered through a large tori gate built by an expert Japanese wood worker.
Modern koi pond with self cleaning state of the art pond filtration system. Koi pond bridge is made with IPE wood and has a metal frame.
Outdoor koi pond with swimming fish, surrounded by benches, a pink shade sail, string lights, and plants.
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What we do.

We specialize in the consulting, design, and installation of koi pond mechanical, filtration, and waterproofing systems.

We are focused on working with high value clients, and collaborating with other niche contractors that are highly focused on building the most outstanding koi pond and water feature projects in northern California and beyond.

We pride ourselves in being able to collaborate and work closely with general contractors, client representatives, architects, engineers, consultants, and homeowners in a collaborative and professional manner to provide the best results and have fun doing so.

OTHER SERVICES WE PROVIDE

  • Koi pond and water feature resurfacing.

  • Koi pond cleaning.

  • Koi pond and water feature maintenance training.

  • Expert review and inspection of new and existing water features.

  • Project coordination.

  • Historical water feature conservation projects.

  • Expert water quality monitoring and management.

Our work featured

Creators of the new apex oxygenator

Visit our store to find out more about how our Apex Oxygenator may be the perfect upgrade for your koi pond.

ApexO2 Store

Upgrade your pond’s filtration System

Most pond filtration systems are either outdated or undersized.

We can make your fish noticeably more active, happier, and healthier by designing and installing one of our custom filtration systems tailored to your particular pond.

Fish grow and pond owners relax on their pond maintenance duties requiring a filtration upgrade to bring their pond back to what it was like when it was new. Crystal clear water, healthy fish, and dramatically reduced pond maintenance! Also great for pond owners who travel for work or play throughout the year and don’t want to have to worry about their pond and fish pets.

Koi Pond Filter System
Professional Koi Pond Filter System
Pool filtration system with large black filter tank, pump, and various pipes against a brick wall and green shrubbery.
Pool pump system with a large black filter tank, a pump, and various pipes, set against a red brick wall, with a potted plant with red flowers on the left.
Swimming pool pump system with filters and pipes, installed outdoors on concrete pad, surrounded by gravel and wooden border, with a wooden fence and greenery in the background.
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From The Owner

A man with a beard and light blue eyes sitting outdoors under a red canopy, with a gathering of people and buildings in the background.

“In this industry it is only those who have a deep understanding of fish husbandry, water chemistry, and koi pond filtration that are able to see a project through and have it be a truly lasting source of enjoyment and for the client.”

“The koi ponds that we build keep our customers beloved koi pets safe & healthy. Our ponds also create a place for reflection and conversation in the landscape…a place for calm, a place for peace, and a place for relaxation to unplug from this ever changing and chaotic world.”

-Noah Twitchell

CONTACT

Reach Out Today!

info@bayareakoiponds.com

510-984-8947

C-53 LICENSE# 1052682

SERVICE AREAS

Moraga, San Mateo, Redwood City, Palo Alto, Atherton, Woodside, Los Gatos, Saratoga, Marin Fremont, Hayward, Oakland, Berkeley, San Francisco, San Jose, Orinda, Lafayette, Walnut Creek, Alamo, Danville, San Ramon, Burlingame, Contra Costa County, Santa Clara County, San Mateo County, Sonoma, Portola Valley, Napa, St. Helena, Marin County, Sonoma County, Half Moon Bay, Santa Cruz, Brentwood