Federal Justice Tower
Las Vegas, NV • Department of Justice • 62,110 ft² • 20 Year Lease • $71mm
We develop, design, build, and manage government and private facilities—under one roof. Denver-based and working nationwide, SDA brings development, design-build construction, and long-term management together through a build-to-suit leaseback model.
A Legacy of Excellence in Real Estate Development Since 1979
With 40+ years of experience, SDA is a fully integrated development firm specializing in U.S. Government build-to-suit medical and office properties.
Who We Are
One Team From Development to Delivery
We bring development, design, construction delivery, and long-term property management together with fewer handoffs from start to finish.
How We Work
Spaces That Serve
Our properties are more than buildings—they’re mission-driven environments designed to support the people and agencies who use them.
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Just Opened: A New Home For Healing
On May 12, SDA marked the opening of the Castle Rock VA CBOC—a modern space for healing, connection, and community care.
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40+ Years of Excellence, $500M+ in Impact
SDA specializes in developing high-value U.S. Government build-to-suit office buildings, delivering projects worth over $500 million.
Our Process
Innovative Design. Enduring Value
We blend architectural vision with engineering expertise to create build-to-suit leaseback office buildings that are as functional as they are timeless.
Behind The Blueprint
We Manage What We Build
Property management is part of our blueprint. We keep properties running smoothly, answer requests quickly, and maintain assets for the long haul.
How We Manage
The SDA leadership team — partners in building for over 40 years.
Built on Experience.
Est. 1979
Our Story
For over four decades, SDA, a family-owned firm, has partnered with government agencies to deliver build-to-suit facilities through an integrated model— development, design, construction, and long-term management
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 Projects, Past and Present
Our portfolio reflects more than 40 years of trusted real estate delivery.
Every Phase. Every Detail. One Team.
From site selection to long-term management, SDA delivers real estate expertise—without handoffs or blind spots.
One Team. Every Step.
SDA manages your project from start to finish—with no handoffs or confusion.
Real Estate Development
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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Architectural Design
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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Construction & Contracting
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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Property Management
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 MoreDesigned to Serve. Built to Endure.
We deliver secure offices, mission-ready clinics, and specialized government facilities.
Built for Purpose. Ready for the Future.
Government facilities designed for real needs—and lasting impact.
General Services Administration
We design, build, and manage properties that serve public missions—and strengthen the communities around them.
Medical / VA
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.
Building For Those That Serve the People Who Serve
We work closely with our partners to develop properties that meet real needs—from secure federal sites to dynamic workplaces that support everyday operations.
A New Home For Healing: Castle Rock VA Clinic
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.
Showing Up, Shoulder to Shoulder
Celebrating side-by-side with those we serve reinforces our mission: creating spaces that honor commitment, resilience, and service.
Spaces That Serve
We designed and built this clinic to elevate the experience of care—for both veterans and medical professionals.