
Creating a hip and urban edge with luxury amenities and community park.

Connecting Santa Ana's industrial heritage with 21st century urban tech

Modern and sleek wrap community with expansive skydeck.

An apartment trio realizing the potential of a commercial site.




Contemporary apartment living transforming Rancho Cucamonga.
Projects Multifamily
At AO’s Multifamily Studio, we believe that a successful multifamily project captures and contributes to the spirit of its surroundings, while providing cost-effective solutions for its developer. The efficiently-planned and well-designed residential project is the foundation of any successful community.
Projects Multifamily
News | Ideas
by David Barista | Building Design + Construction
Arcadis North America, Stantec, Gensler, KTGY, Perkins Eastman, AO, Niles Bolton Associates, Perkins&Will, and Hord Coplan Macht top Building Design+Construction's ranking of the nation's largest multifamily housing sector architecture and architecture/engineering (AE) firms for 2025, as reported in BD+C's 2025 Report.
by Commercial Construction & Renovation
AO completed the first phase of AMLI’s first development in the San Diego region. 97 units were completed in this phase with the whole project expected to be conducted in five stages. Notable architectural features of the seven-story development are its monochromatic black-and-white exterior, rounded corners and three courtyards. AMLI Aero also incorporates work/play through a variety of amenities including a rooftop pool + sunset deck with dining + cooking areas, co-working space, clubhouse, fitness center, leasing space and more. The full 4-acre project is expected to be completed in spring 2026.
by Ray Huard | San Diego Business Journal
A Chicago-based developer, AMLI Residential, has finished the first phase of a Kearny Mesa apartment that will ultimately have 442 luxury apartments. AMLI Aero at 3585 Aero Court at the corner of Aero Drive and Aero Court marks the company’s entry into the San Diego County market. “We were looking to do our first project in San Diego. We hadn’t been able to do that yet, so, when the opportunity came along, we were excited to do it,” said John Readey, AMLI vice president of development.
by Leah Draffen | Multifamily Executive
Once a former warehouse, The Row at Red Hill is a bold reinterpretation of Santa Ana, California’s industrial legacy. Displaying the raw character of its past mixed with contemporary lines, the building features floor-to-ceiling windows, gray brick veneer, and steel X-bracing, while light stucco, bold window patterns, and a glass tower create juxtaposition. Custom LED lighting spotlights architectural features.
by Allison Chayo | Idea Hall
AO, a leading full-service architecture and planning firm with design expertise spanning the entire commercial and multifamily residential real estate spectrum, was a multiple-award winner at the 62nd Annual PCBC Gold Nugget Awards ceremony held last night at The Westin Anaheim Resort.
Archetype is an efficient design system for multifamily developers that simplifies and accelerates both design and construction processes, reducing time, complexity, and costs. Offering a customizable "kit of parts," it allows developers to create a flexible prototype that can be adapted across multiple projects and jurisdictions. This approach helps mitigate risks, ensuring more consistent budgets and predictable products and outcomes across developments.
by Steven Sharp | Urbanize LA
Completion is nearing for a new multifamily residential development in the Irvine Business Complex, according to a social media post by AO. The project from Intracorp, located at 2055 Main Street, is named Aurum. The five-story, wrap-style apartment complex includes 178 residential units and a parking garage. According to AO's social media post, the complex also includes a rooftop deck with a pool and other amenities.
by Rebusiness Online
Legacy Partners and DWS Group have started construction on Legacy Ontario, a 346-unit apartment property in Ontario. Located at 2510 S. Euclid Ave., the community will consist of eight three- and four-story buildings with tucked-under garage parking and covered carports. Additionally, the property will offer 6,000 square feet of ground-floor retail space facing Euclid Avenue.
by Elizabeth Himchak | The San Diego Union-Tribune
Redevelopment and construction, both underway and in the future, were the predominant topic in Rancho Bernardo and 4S Ranch during 2024. Throughout this year, the SkyLINE construction project — or at least its crane — at the Rancho Bernardo Transit Center has been visible for miles.