Long Island Architects
For over 40 years, Mojo Stumer Associates has been designing award-winning modern architecture across Long Island. Founded by Mark Stumer and Thomas Mojo, the firm has built a reputation for thoughtful design, whether crafting expansive Hamptons retreats or sophisticated corporate environments. Our work reflects a commitment to clarity, precision, and lasting value, supported by deep local roots and an uncompromising focus on quality. Based in Greenvale, NY, Mojo Stumer continues to set the standard for design excellence throughout the region as one of the leading architects on Long Island.
PHONE
F. 516.625.3418
The Mojo Stumer Advantage
Principal-Led Service
Every project is personally overseen by Mark Stumer or Thomas Mojo, ensuring our signature aesthetic and attention to detail from start to finish.
Integrated Design
Architecture and interior design are harmonized through a single, collaborative process that ensures consistency, efficiency, and a bespoke experience.
40+ Years of Results
Our portfolio reflects a legacy of satisfied clients. It speaks to decades of design discipline, architectural precision, and a reputation built on trust and enduring impact.
Award-Winning Designs
Recognized in top industry publications with over 130 prestigious awards, including The Herald's Top Commercial Architect Award in 2024.
Our Design Process
As one of the most established modern architecture firms serving the region, our approach balances innovation with proven systems to deliver outstanding results for clients seeking top-tier Long Island interior designers and architects on Long Island.
At the heart of our process is the initial consultation, where we dive deep into understanding your aspirations, needs, and design vision. This isn’t just a meeting; it’s a collaborative dialogue that sets the tone for the entire project. We believe that truly listening to your ideas is the first step toward crafting a space that resonates with your unique identity.
Once we’ve gathered your insights, we move into the concept design phase. Our team transforms your vision into a dynamic plan that confidently melds modern aesthetics with practical functionality. The goal is to create a design that not only dazzles but also enhances the way you live and work within the space.
As we progress to design development, we take that compelling concept and meticulously refine it into detailed plans. This stage is all about aligning your vision with specific project goals and the nuances of the site, ensuring that every element contributes cohesively to the overall experience. We strike a balance between beauty and practicality to elevate the final outcome.
The journey continues through the permitting and approvals stage, where we adeptly navigate the intricate zoning and regulatory landscape of Long Island. With our experience, we help you move smoothly through the maze of approvals, allowing you to focus on the exciting aspects of your project while we manage the necessary paperwork.
Finally, during construction oversight, we maintain active involvement through frequent site visits and close collaboration with contractors. Our hands-on approach ensures that every detail is executed flawlessly, reflecting the vision we crafted together. We are committed to creating a space that not only meets your expectations but also embodies your dreams for years to come.
Roslyn House: Where Long Island Interior Design and Modern Architecture Unite
Are You Ready to Start Your Project?
We understand that embarking on a new project can be both exciting and daunting. Our team of Long Island architects and interior designers is here to guide you every step of the way, ensuring your vision becomes reality with clarity and confidence. Whether you’re planning a contemporary waterfront retreat or a state-of-the-art commercial facility, or simply seeking expert insight from one of the most experienced modern architecture firms in the region, we’re ready to listen and help shape your next chapter.
Schedule Your Consultation
Don’t wait any longer to turn your ideas into reality. Reach out today to schedule your design consultation. Fill out the contact form below, and one of our experts will contact you to discuss your project needs. Let’s get started on making your dream project a reality! Whether you're building from the ground up or refining an existing space, our team brings the experience and insight to inspire the process. For over 40 years, Mojo Stumer has redefined Long Island modern architecture, with an award-winning portfolio that spans residential icons and commercial landmarks. Let us help you write the next chapter of your story inspired, elevated, and unmistakably yours.