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For nearly six decades, Danielian Associates Architects + Planners has called Orange County home. What began in 1968 has grown into a nationally recognized architecture and planning firm, and nearly 60 years later, we’re proud to say we’re still growing.
This year, Danielian Associates was recognized by two leading Southern California publications for our continued presence in the architecture industry.
The Orange County Business Journal ranked Danielian Associates #14 among Orange County architecture firms, moving us up two spots from the previous year. The annual list ranks firms based on Orange County architectural billings, highlighting the firms helping shape the built environment throughout the region.
Our growth was also recognized on a broader Southern California scale, with the Los Angeles Times naming Danielian Associates among the 30 Largest Architecture Firms in Southern California. The 2026 list ranks firms based on Southern California architectural fee income for 2025, representing firms working throughout one of the country’s largest and most diverse design markets.
For us, these rankings represent more than numbers on a list. They reflect our ability to continue evolving while staying grounded in the relationships and expertise that have shaped Danielian since the beginning.
Over the past year alone, our team has celebrated award-winning residential communities, expanded our work throughout California and across the country, and continued to grow our capabilities across multifamily, build-to-rent, single-family, mixed-use, affordable and age-qualified housing.
In 2026, that evolution took another major step forward with the addition of Irwin Partners Architects, a Danielian Associates Company. Bringing together two longstanding Orange County architecture firms expanded our expertise in senior housing, rehabilitation, adaptive reuse, affordable housing and public agency work while adding decades of additional experience to our team.
Today, Danielian Associates is licensed in 44 states, with a portfolio that reaches across the country and internationally.
Orange County will always be home. It’s where Danielian Associates was founded, where our headquarters remain today and where many of our longest client relationships began.
At the same time, our work has grown far beyond our backyard. From build-to-rent communities in Utah and Texas to senior housing in California and Indiana, mixed-use developments in Tennessee and residential communities throughout the West, our team continues to bring nearly six decades of housing expertise to new markets.
Being recognized among the leading architecture firms in both Orange County and Southern California is an exciting milestone, but it’s also a reminder of what has allowed us to keep moving forward: strong relationships, a reputation built over decades and a willingness to continue evolving.
Nearly six decades in, we’re proud of where we’ve been, excited about where we’re going and, most importantly, still growing.
Danielian Associates Acquires Irwin Partners Architects
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IRVINE, Calif. — [8/5/2026] — Danielian Associates Architects + Planners proudly announces that Irwin Partners Architects (IPA) has joined the team as a Danielian Associates company.
Bringing together two of Orange County’s longest-standing residential design firms, the partnership expands the expertise and resources available to clients while preserving the trusted relationships, personalized service, and experienced team that have defined Irwin Partners Architects for more than 60 years.
Irwin Partners Architects, as a Danielian Associates company, will continue serving its clients through the same leadership, project teams, and client relationships, now supported by Danielian’s well-versed design teams. Together, the firms offer expanded expertise in senior housing, rehabilitation and adaptive reuse, affordable housing, Build-to-Rent, multifamily, mixed-use, master-planned communities, and community planning, creating a stronger team ready to serve the evolving housing market across the country.
Irwin Partners Architects joining Danielian Associates also brings full circle a connection that began generations ago at the USC School of Architecture. Both firms were founded by USC architecture graduates who went on to establish their own respected practices in Southern California. Their sons later followed in their footsteps, attending the USC School of Architecture together before eventually carrying forward their respective family firms. Decades later, those parallel legacies come together under the Danielian banner, uniting two generations of shared history, relationships, and a commitment to residential design.
“For nearly six decades, Danielian has been committed to exceptional residential design and lasting client relationships,” said John Danielian, AIA, LEED AP, President of Danielian Associates. “IPA has built an outstanding reputation through its talented team and trusted client partnerships. Together, we are creating an even stronger firm while maintaining the values that have defined both organizations.”
“Joining DA allows us to build on everything our clients already value about Irwin Partners,” said Greg Irwin (head of Irwin Partners Architects). “The people they know and trust remain the same. We now have more resources behind our team to better serve them.”
Together, Danielian Associates and Irwin Partners are building on more than a century of combined residential design experience, creating a stronger platform to serve clients with the same trusted relationships, expanded expertise and greater resources for the future.
About Danielian Associates Architects + Planners
Founded in 1968, Danielian Associates Architects + Planners is an award-winning residential architecture and planning firm with offices in Irvine, Los Angeles, and Nashville. Licensed in 44 states, the firm specializes exclusively in residential design, partnering with leading developers and homebuilders across the country.
About Irwin Partners Architects
For more than 60 years, Irwin Partners Architects has earned a reputation for thoughtful design, personalized service, and lasting client relationships. Now as a Danielian Associates company, IPA continues serving clients with the same experienced team while benefiting from the expanded capabilities, technology, and resources of one of the nation’s leading residential architecture and planning firms.
