45 Architecture & Interiors

45 Architecture & Interiors is a Bozeman-based studio focused on architecture and interior design that aims to capture the essence of the Montana lifestyle through thoughtful design. Serving various communities in Southwest Montana, including Big Sky and Belgrade, the firm specializes in high-end custom residential, civic, hospitality, and mixed-use projects that are deeply connected to their surroundings. Founded on the principle that architecture should enhance daily life, 45 approaches each project as a collaborative partner and trusted advisor. The firm's process combines innovative thinking with meticulous execution, turning complex concepts into straightforward, buildable solutions. Whether creating a mountain retreat near the Bridger Range or designing a community library for future generations, their work emphasizes context, craftsmanship, and lasting value. Led by Principals Jeff Lusin and Ben Erickson, along with a cohesive team of architects and designers, 45 Architecture & Interiors promotes comprehensive design, treating the site, structure, materials, interiors, and user experience as a unified story. Their projects showcase clean, modern aesthetics infused with warmth, texture, and a profound appreciation for the natural environment. Beyond visual appeal, the firm prioritizes a transparent process. Through effective communication, integrated project management, and strong relationships with builders and consultants, 45 supports clients from initial concept to completion with care and integrity. Ultimately, 45 Architecture & Interiors is dedicated to creating meaningful spaces that reflect client aspirations, strengthen communities, and endure amidst the stunning landscape of the American West.