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Business Details
50+ Years
experience
Award-Winning Architecture & Interior Design in Colorado
Z Group Architecture & Interior Design has dedicated over seven decades to crafting sophisticated, contemporary designs that harmonize with natural landscapes. Our approach integrates environmental sustainability, functionality, and cost-effectiveness, utilizing local materials to create spaces that reflect the unique relationship between architecture and its surroundings. Specializing in residential, commercial, and hospitality projects, we prioritize client relationships, with repeat clients forming the core of our work.

Recognized nationally and internationally through awards and publications, our legacy spans luxury homes, institutional buildings, and master-planned communities. With offices in Basalt and Aspen, Colorado, we continue to innovate while maintaining a commitment to site-sensitive, story-driven design that resonates with clients across the United States and abroad.
Services
Residential Design Commercial Design Interior Design Multi-Family Design Hospitality Design
Details
  • Year established: 1955
Highlights and features
  • We offer 70+ years of experience in architectural innovation and sustainability.
  • Our designs prioritize site-sensitive, story-driven spaces that harmonize with nature.
  • We maintain long-term client relationships through personalized, collaborative service.
  • Our team holds professional certifications including LEED AP and NCARB.
  • We serve clients across Colorado, the U.S., and internationally in Japan and Russia.
Services
Residential Design
Specializing in custom single-family and multi-family residences, we create spaces that blend luxury with functionality. Our designs emphasize natural materials, energy efficiency, and seamless integration with landscapes. Clients benefit from tailored solutions that reflect personal lifestyles while maintaining timeless aesthetic appeal.
Commercial Design
We design commercial environments that balance brand identity with practicality. From office spaces to retail locations, our approach focuses on maximizing usability while creating visually striking interiors. Sustainability and cost-effective solutions remain central to every project.
Interior Design
Our interior design services prioritize spatial efficiency and aesthetic cohesion. By combining innovative layouts with material selection and lighting strategies, we craft interiors that enhance occupant well-being and align with architectural context.
Hospitality Design
Creating memorable guest experiences through thoughtful hospitality design, we focus on blending comfort with operational efficiency. Our work includes hotels, restaurants, and recreational facilities that reflect regional character while meeting industry standards.
Master Planning
We develop comprehensive master plans for mixed-use developments and institutional campuses. Our process considers environmental impact, zoning regulations, and long-term growth to create cohesive, sustainable communities that evolve with user needs.
People
Seth Hmielowski
Senior Principal
With AIA, NCARB, ASID, and LEED AP certifications, Seth leads design innovation while maintaining Z Group's legacy of sustainable, site-sensitive architecture across global projects.
E. Scott McHale
Principal Director of Design
As a LEED AP-certified principal, Scott oversees design direction, ensuring creative excellence and technical precision in projects ranging from luxury residences to commercial developments.
Randall J. Henrie
Senior Associate
A NCARB and LEED AP-certified architect, Randy specializes in complex residential and institutional projects, combining technical expertise with Z Group's design philosophy.
Melanie Noonan
Senior Project Manager
Melanie coordinates project teams to ensure timely delivery of high-quality designs, leveraging her expertise in architectural project management for over 15 years.
Brittany Biebl
Director of Business Operations
Brittany manages operational strategy and client relations, ensuring seamless business processes that support Z Group's growth and service excellence.
Questions
What architectural styles does Z Group specialize in?
We focus on contemporary, site-sensitive designs that integrate with natural landscapes while incorporating sustainable materials and modern functionality.
Do you work on both residential and commercial projects?
Yes, we offer comprehensive services for residential, commercial, hospitality, and institutional projects across single-family homes to large-scale developments.
How does Z Group incorporate sustainability into designs?
We prioritize energy-efficient systems, local materials, and passive solar design principles to minimize environmental impact while maintaining aesthetic and functional standards.
What areas do you serve?
While based in Colorado, we work throughout the Roaring Fork Valley, across the U.S., and internationally in Japan and Russia.
Can you handle historic building renovations?
Yes, our team has extensive experience in preserving historical elements while integrating modern amenities and sustainable upgrades in projects like the Historic Hallam Renovation.