Onyx is a stone long associated with strength, stability, and protection.
As a property management company, it represents steadiness under pressure, disciplined execution, and quiet resilience. These qualities are essential in property management and portfolio performance.
We chose the name ONYX intentionally. In our industry, true strength is not loud. It is measured by consistency, integrity, and endurance.
At ONYX, we believe strong communities and strong investment outcomes are built the same way through steady leadership, clear processes, and disciplined execution.
Our Philosophy.
Grace in Leadership
How We Treat People
We lead with clarity, respect, and accountability—setting high standards, empowering our teams, and acting with integrity for long term sustainability.
Grit in Execution
How We Execute
We execute with discipline, transparency, and accountability addressing challenges directly, acting decisively, and communicating clearly. We don’t avoid difficult conversations or defer hard decisions. Our commitment to honest reporting and consistent follow-through drives better performance and keeps our clients fully informed.
Growth for Those We Serve
What We Deliver
We focus on sustainable performance creating long-term value for our clients, career growth for our teams, and quality living experiences for residents.
Together, these principles define how we operate — every property, every market.
Read Bio
Ann Marie Bomba
Founder and CEO
Founder and Chief Executive Officer of ONYX Multifamily Group, where she leads the firm with disciplined leadership, operational clarity, and a long-term view of performance. With decades of experience in multifamily property management, Ann Marie has built and led portfolios across conventional, affordable, mixed income, and complex lease-up environments delivering measurable results for property owners and investors...
