Joshua Nimmo
Known for modern, context-sensitive residential design through his firm, NIMMO Architecture, Joshua “Josh” Nimmo blends minimalist modernism with innovative use of materials, clean lines, and strong indoor-outdoor connections that respond to site and environment. His projects range from sleek glass-encased homes inspired by the Ludwig Mies van der Rohe–influenced modern tradition to mid-century-inflected, Palm Springs-style residences and thoughtfully positioned rural ranch retreats that frame landscape views and preserve existing nature. His work emphasizes sustainability, spatial experience, and architectural honesty, creating elegant, functional homes that are both contemporary and timeless. Nimmo’s design excellence has been recognized with multiple Honor, Merit, Citation, and Unbuilt Design Awards from the American Institute of Architects Dallas, and several of his residences have been selected for the prestigious AIA Dallas Tour of Homes, underscoring his influence within the region’s architectural landscape.
Roberto Castanheira
Known for high-impact architectural visualization and design through his firm, RC3D Visualization Design, Roberto Castanheira blends technical precision with a strong architectural sensibility to help architects, builders, and developers clearly communicate design intent. With a background rooted in architecture and decades of industry experience, Castanheira has developed a refined approach to 3D modeling, photorealistic renderings, virtual walkthroughs, and construction-ready design support that bridges concept and execution. His work spans custom residential, production housing, and mixed-use projects, playing a critical role in design development, client presentations, and award-winning marketing. RC3D has earned multiple industry honors, including McSAM Awards, Vesta Awards, and an ARC Award, recognizing long-standing excellence in residential design visualization and innovation. Castanheira’s work is widely respected among peers for its clarity, accuracy, and ability to elevate architectural storytelling across the Dallas–Fort Worth market.
Scott Marek
Known for thoughtful, modern residential design through his firm, Marek Architecture, Joshua “Scott” Marek, AIA blends contextual sensitivity with a deep understanding of materiality, light, and spatial experience. After earning his architecture degree at Texas A&M University and working in the studio of Texas modernist Frank Welch, Marek developed a design voice that respects architectural tradition while advancing contemporary residential living. His work spans elegantly detailed urban homes and modern residences that celebrate site, sustainability, and community context, with notable projects in Dallas’s Urban Reserve and White Rock Valley neighborhoods. Several Marek-designed residences have been featured on the prestigious AIA Dallas Tour of Homes, including his contemporary modern house at 24 Vanguard Way in Urban Reserve, making his work accessible to the public and celebrated among peers for design excellence. His firm’s commitment to high-quality architecture has also earned recognition from the American Institute of Architects with multiple design awards and inclusion on D Magazine’s “Best Of” lists for architecture and residential design, highlighting Marek’s impact on the Dallas-Fort Worth architectural landscape.
Kevin Parma
Known for thoughtful, modern and contemporary residential design through his boutique firm, parmadesign, Kevin Parma blends artistic vision with technical functionality to create tailored architecture solutions that prioritize aesthetics, livability, and client needs. A graduate of Texas A&M University, Parma established parmadesign in 2004 with a passion for modern, contemporary, and mid-century-inspired design, delivering custom homes, remodels, commercial interiors, and multi-family projects throughout the Dallas area. His work reflects a balance of creative design, budget consciousness, and careful site-specific response, earning recognition as an award-winning firm and a respected presence in the Dallas design community. Parma and parmadesign have also been recognized as part of the Texas A&M Aggie 100 list of fastest-growing Aggie-owned businesses, underscoring his entrepreneurial impact. The firm’s consistently high client satisfaction and industry visibility highlight Parma’s influence in shaping modern residential architecture in North Texas.
Thad Reeves
Known for thoughtful, modern residential and mixed-use design through his firm, A.GRUPPO Architects, Thad Reeves, AIA combines a disciplined design approach with a deep appreciation for spatial composition, materiality, and light. After earning his Master of Architecture from the University of Texas at Arlington and studying historic European architecture, Reeves cultivated a design philosophy that bridges contextual richness with contemporary sensibilities. Since co-founding A.GRUPPO in 2005 with Andrew Nance, the firm has delivered a wide range of projects — from elegant residential homes to innovative commercial and design-build work — with a strong emphasis on sustainability, craft, and client collaboration. Reeves’ work has been widely recognized: A.GRUPPO has received honors such as the AIA Dallas Contractor Award, inclusion in Texas Architect features, and placement on Build Direct’s “The 15 Best Architects in Dallas.” Several A.GRUPPO residences under Reeves’ design have been featured on the AIA Dallas Tour of Homes, including the Carroll Residence and the Trammel and 17 Vanguard Residences, bringing his architecture directly to the public and celebrating his impact on the region’s built environment.
Best of Big D 2026 – Best Architects
A. Gruppo Architects
Marek Architecture
NIMMO Architecture
Featured Tour Homes
1. Northaven Residence – 6018 Northaven Road, Dallas, TX
This modern residence designed by Nimmo Architecture was included on the 2017 AIA Dallas Tour of Homes. It was showcased alongside other architect-designed homes in the Northaven and Preston Hollow area, giving visitors an opportunity to explore its contemporary renovation and expansion firsthand.
2. Urban Reserve Home
In the 2015 AIA Dallas Tour of Homes, a home by Nimmo in the Urban Reserve neighborhood was featured. This event highlighted the residence as one of only seven selected homes in the citywide tour, emphasizing its modern design within a sustainable urban enclave.
3. Caladium Drive Ranch Remodel
Nimmo’s expanded and remodeled ranch-style home on Caladium Drive in the Preston Royal/Preston Hollow area was also selected for an AIA Dallas Tour of Homes (2019). This project demonstrated thoughtful renovation while integrating modern spatial qualities.
4. Northaven Residence – 24 Vanguard Way, Dallas, TX
This contemporary modern home designed by Marek Architecture was featured on the AIA Dallas Tour of Homes (year not publicly specified). The residence highlights Marek’s sensitivity to materiality, light, and spatial experience in a modern urban context.
5. Carroll Residence – Dallas, TX
Designed by A.GRUPPO Architects, this residence was featured on the 2022 AIA Dallas Tour of Homes, showcasing the firm’s signature attention to spatial composition, materials, and contemporary residential design.
6. Trammel Residence – Dallas, TX
Also by A.GRUPPO Architects, the Trammel Residence appeared on the 2018 AIA Dallas Tour of Homes, demonstrating the firm’s modern design principles and site-responsive approach.
7. 17 Vanguard Residence – Dallas, TX
Featured on the 2018 AIA Dallas Tour of Homes, this modern residence by A.GRUPPO Architects reflects careful material selection, light manipulation, and spatial elegance typical of Thad Reeves’ design work.
8. Santa Clara Residence – Dallas, TX
A recent project by A.GRUPPO Architects, this home was included in the 2024 AIA Dallas Tour of Homes, emphasizing sustainable materials, modern design, and thoughtful integration with the surrounding site.