About MBK Senior Living at MBK Senior Living in Irvine, California.

MBK Senior Living

We Are

MBK Senior Living and our parent company, Tokyo-based Mitsui & Co., use a people-first approach to senior living wherein we are committed to the health and happiness. This approach is based on Japanese care philosophies emphasizing exceptional care and services, delicious and nutritious dining, and the highest level of honor and respect.

Founded in 1990, MBK Senior Living has focused on ownership and operation of Independent Living, Assisted Living, and Memory Care communities. With over 30 years of service, the company has utilized its unmatched experience to develop innovative programming that focuses on high-quality service, enrichment, and a culture of genuine care. MBK Senior Living is an award-winning leader and innovator in senior housing as a branch of MBK Real Estate. Today, we have expanded to 39 communities in California, Oregon, Washington, Utah, Colorado, and Arizona. From our home office in Irvine, CA, we see to it that each of our locations upholds the MBK Senior Living name.

Resident with grandson at a MBK Senior Living
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Mission & Vision

At MBK Senior Living, we work every day to embrace innovations in senior care, build trust with fairness and humility, and empower a culture of open-mindedness and clear communication. Our aim is to encourage the full potential of every individual in our communities, a goal that encompasses residents, their families, and our exceptional care teams.

Resident with worker at MBK Senior Living in Irvine, California

We're often asked
What MBK stands for

Figuratively, we’d say that we stand for: exceeding expectations, mutual trust and respect, open communication, teamwork, continuous improvement, honesty, accountability, a passion for excellence, enriching lives, offering well-designed, high-quality communities, programming that enhances independence, individuality, self-esteem and happiness.

But in Japanese, we literally stand for:
Mitsui, Bussan, Kaisha (MBK)


“Founder’s Family Name”





MBK Senior Living Yoi Shigoto

Yoi Shigoto

Yoi Shigoto, simply translated from Japanese, means “the good work.” At MBK Senior Living, Yoi Shigoto signifies our desire to do good work that benefits our residents, their families and our team members. It also reflects our commitment to positively impact our local community and even the world through selfless endeavors, striving to make a difference, and working together as a company and community.

In addition, we believe as a company that Yoi Shigoto is about doing the right thing above all else. That includes upholding the highest standards of ethics and knowing that in doing so, success will follow.

Planting at MBK Senior Living in Irvine, California

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It's What We're Here For


An amazing community with a home-like atmosphere, caring residents and a host of amenities. With great joy, I also found friendly residents who genuinely look out for one another

- Lee S.