Irwin Partners Architects opened its doors and by our founder by Carl Irwin as general practice architectural firm


Carl Irwin was appointed to the boards at Southland Lutheran Homes in Norwalk California. During this period he developed his knowledge of senior housing and was able to expand hid architectural ideas of how to enhance the lives of our senior population by experiencing how the home functioned on a daily basis.

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Carl Iwin steps down from the Southland Luthernan home board and starts his first senior housing architectural project. The building at Southland Lutheran Homes.

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Carl Irwin is awarded with Christian of the Year from the Kiwanis Club of Long Beach.


Irwin Partners Architects designs the $2-million expansion at Plymouth Village in Redlands, California, incorporating all of the senior community’s needs into one place. The village includes dining facilities, beauty parlor, assembly hall, retail shops, recreational and craft areas.

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Carl Irwin is elected the Regional Vice President of the executive board for the National Association for the Senior Living Industries.

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Inspired by a passion for improving the lives of seniors, Carl Irwin transforms IPA into an expert architectural practice focused on senior housing and church design.

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The State of California establishes a committee to write its first Residential Care for the Elderly (RCFE) codes. Recognizing Carl Irwin’s expertise, the state names him to the committee.

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Irwin Partners Architect starts work with Josephine Sunset Home, a senior caregiving community first established in 1908. This early project blossoms into a working relationship lasting more than 10 years.

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Greg Irwin, son of Carl Irwin, begins working at Irwin Partners Architects.


Carl Irwin becomes a the founding member of California Assisted Living Facilities Association (CALFA).


Marriott Senior Living Services turns to Irwin Partners Architects to adapt its senior-living model to meet California standards. This leads to the design of the company’s Brighton Gardens project.

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Silverado Senior Living turns to Irwin Partners Architects for overall concept and building designs for the company’s entry into the memory-care market.

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The firm begins work on some of the first West Coast projects for KISCO Senior Living.


Irwin Partners Architects is honored with the Best Practices Award from Hillcrest Retirement Community for its work on the Southwoods Lodge in LaVerne, California.

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Irwin Partners works with Best Bath on an innovative solution to improve shower access for limited-mobility users. The new collapsible dam invention provides a useful advance for seniors desiring to age in place while maintaining personal independence.

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After a lifetime of growing up and working in his father’s firm, Greg Irwin is promoted to partner.
This same year, Irwin Partners Architects is given a 10-year employ pin by Josephine Sunset Home, a touching tribute to a close and enduring partnership

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Greg Irwin attends an Eden Alternative course at the home of the philosophy’s founder, Dr. Bill Thomas; the experience provides new inspiration to advance the quality of life for senior communities.

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Carl Irwin is named Person of the Year at the SAGE Awards for his years of service and advancements in senior housing.


Melisa Pence joins Irwin Partners Architects. With her expertise in BIM 3D imaging software, and architectural credits that include retail spaces, sports stadiums, and college campus facilities, Melisa brings a fresh perspective to multi-use design for seniors.

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Greg Irwin completes his tenth year of service on the Orange County Senior Housing Board, and steps down to general member.


In recognition of her contributions to the firm’s success and client-service culture, Melisa Pence is promoted to the position of partner in the firm.

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NAHB honors Irwin Partner Architects as its Firm of the Year.


Inland Empire Senior Living Project of the Year-Protea, Temecula California.