Innovative Architecture & Design

Make Great Moments.

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corporate office building architecture example

Corporate Office

commercial interiors architecture example

Commercial Interiors

master planning architecture example

Master Planning

mixed use architecture example

Mixed Use & Retail


Go from Predictable to O'MG.

Founded in 1974 by Jack O’Brien, our firm was built on the idea that people can achieve like a team and still treat each other like family.

The family has grown, but our culture remains surprisingly unchanged. That’s because we take care to work with people who share and support our values.The family-based firm has a long-standing reputation for its innovative design solutions with unique visioning and animation services.

With more than 4,500 projects completed nationwide, O’Brien Architects serves clients in a variety of market sectors including: office, multi-family, retail, mixed-use, industrial, assisted living, healthcare, civic, and interiors.

Lancaster, Texas


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Dallas, TX
Owner: Billingsley Company

3401 & 3501 Olympus

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Frisco, Texas
17 Stories + 158 Units

Twelve Cowboys Way

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Master Planning
Farmers branch, Texas


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Dallas, Texas


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Master Planning and Retail
Frisco, Texas

The Star

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Studio Focus.

We lead, but we don’t force our ideas onto your architecture. Instead, we invite clients to participate in our creative charrettes. We check our egos at the door, and no idea is out of bounds. We avoid working strong ideas into the ground or applying a “signature style”.

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amn healthcare project by obrien architects dallas tx1
Alpha West - Project by O'Brien Architects
cotten belt o'brien architects renderings3
9650 Locke Street - Project by O'Brien Architects
district 121 obrien architects1
obrien architects ntpga
The Star - The Star - Project by O'Brien Architects
2999 Olympus - Project by O'Brien Architects - Architecture Design
Jefferson - Alpha West - Project by O'Brien Architects
Presidium Waterford Austin - Project by O'Brien Architects
3401 + 3501 Olympus - Project by O'Brien Architects
Twelve Cowboys Way - Project by O'Brien Architects
Raising Cane's - Project by O'Brien Architects
KVP - Project by O'Brien Architects
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Big Design without Big Egos.

About Us

O’Brien Architects embodies the character of its founding President, Jack O’Brien. His emphasis on integrity, respect, and service has shaped our corporate culture. By adhering to this value system, our team has established a loyal client base and has developed professional relationships that span decades.

Our work is challenging. We push ourselves to be excellent at it and have a good time doing it. We create an experience with clients that is creative, friendly, professional, and open.

Brands we've served.