For over four decades, SDA, a family-owned firm, has partnered with government agencies to develop spaces that support the people who serve our nation.
For over four decades, SDA has partnered with government agencies to develop spaces that support the people who serve our nation. Learn more about who we are.
Our portfolio reflects more than 40 years of trusted real estate delivery.
Every project under construction represents a commitment to the people who will live, work, and serve within its walls.
Explore active builds across the U.S.—each one serving the people who will live, work, and serve inside.
Explore our portfolio shaped by over 40 years of real estate expertise.
Our legacy projects reflect purpose, trust, and long-term impact. Explore the property showcase.
From site selection to long-term management, SDA delivers real estate expertise—without handoffs or blind spots.
SDA manages your project from start to finish—with no handoffs or confusion.
Founded in 1979 by Stephen Biagiotti, SDA has developed office buildings, medical clinics, neighborhood shopping centers, and land developments valued over $500 Million.
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We blend architectural vision with engineering expertise to create build-to-suit lease-back office buildings that are as functional as they are timeless.
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Broadly licensed in the Western U.S., our expert construction team delivers precision, quality, and reliability in every project—built right, every time.
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With over 40 years of experience, we specialize in managing government office buildings ensuring seamless operations and long-term value for your real estate investments.
Learn MoreWe deliver secure offices, mission-ready clinics, and specialized government facilities.
Government facilities designed for real needs—and lasting impact.
We design, build, and manage properties that serve public missions—and strengthen the communities around them.
We build high-performing government medical clinics—from site planning to final inspection—with one goal: to support the health and dignity of those who served.
We work closely with our partners to develop properties that meet real needs—from secure federal sites to dynamic workplaces that support everyday operations.
On May 12th, SDA celebrated the opening of a state-of-the-art medical facility designed for those who served.
The ribbon cutting brought together SDA team members, veterans, civic leaders, and partners to mark the completion of a shared vision.
Celebrating side-by-side with those we serve reinforces our mission: creating spaces that honor commitment, resilience, and service.
We designed and built this clinic to elevate the experience of care—for both veterans and medical professionals.
