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The Best Residential Architects in Longmont, Colorado

7 Min Read

Longmont, Colorado, is the perfect place to visit or settle in because of its recreation activities, scenic natural attractions, museums, heritage centers, and parks, in addition to abundant affordable housing options. If you are a Longmont resident or want to move to the city, then you may want to work with the best residential architects in the area. The below list includes some of the best architects to help you get started, based on their experience, services, and accolades.

HMH Architecture + Interiors

1701 15th Street, Suite B, Boulder, CO 80302

Operating out of its office in Colorado, HMH Architecture + Interiors is an award-winning firm with over thirty-three years of vast industry knowledge and experience. Since the firm’s inception in 1989, it has established itself as a leading Colorado design studio, building functional and environmentally friendly homes. It specializes in a wide array of services, such as custom homes, remodels, interior design, green design, and commercial services, serving Boulder and beyond.

HMH is known for providing clients with the flexibility of a small firm, along with the resources found at a larger firm. Offering an in-house interior design team means the entire process — space planning, furnishings, paint and finishes, kitchen & bath design, lighting — is seamless and every detail is customized to your vision.

HMH Architecture + Interiors has received various awards and recognitions, such as the 2021 AIA Colorado – Renovation, 2021 ASID – Renovation, 2020 Luxe Red Award – WOW Factor!, 2020 AIA Colorado – Interior Architecture, 2019 AIA Colorado – Architectural Detail, and 2019 AIA Colorado – Residential Merit

Gettliffe Architecture

3014 Bluff St #101, Boulder, CO 80301

Headquartered in Boulder, Colorado, Gettliffe Architecture implements a green architectural design process and integrates collaborative designs. It was founded in 1999 and has maintained its design quality and sophistication up to this day. Over the course of thirty-six years, Gettliffe Architecture has served local and international clients, providing various services, from private residences to eco-lodges. The firm has also designed local, sustainable organic farms and community centers for climate change in Nicaragua.

Gettliffe Architecture comprises multicultural professionals who are experts in designing residential homes, educational facilities, offices, and community centers globally. They are led by Dominique Gettliffe, AIA, Founder and Principal. He has deep architectural and construction expertise and always brings new perspectives to light. Also, the firm’s works have been recognized and featured by publications like Home Builder Digest and Dwell.

Renée del Gaudio Architecture

Renée del Gaudio Architecture, 5595, Sunshine Canyon Dr., Boulder, CO 80302

Renée del Gaudio Architecture is a nationally recognized firm for building structures that convey a strong connection to a place. It was established in 2008 and has provided residential and custom homes services throughout Colorado. The firm has created several authentic designs depicting modern and contemporary styles.

Renée del Gaudio, a licensed architect in Colorado and LEED accredited professional, founded and continues to lead the firm. Renée received her Bachelor of Arts from the University of Michigan and a Masters of Arts in Architecture from the University of Washington. She is a member of the American Institute of Architects and the United States Green Building Council brings her extensive experience to each project. 

Several publications have featured Renée’s impressive works, such as Colorado Homes and Off the Grid. Renée del Gaudio Architecture has received numerous awards and distinctions, such as the 2021 AIA Colorado Award of Excellence Goatbarn Lane.

Rodwin Architecture

1245 Pearl St. Suite 202, Boulder, CO

Established nineteen years ago, Rodwin Architecture is an award-winning residential architectural firm located in Boulder, Colorado. It serves over fifteen cities, including Boulder, Broomfield, Eldorado Springs, Gold Hill, Gunbarrel, Longmont, Louisville, and beyond. Since its founding, Rodwin Architecture has specialized in residential and commercial architecture, particularly excelling in intricate architectural designs. Its portfolio depicts a variety of modern, transitional, and contemporary styles.

The firm’s friendly team is dedicated to guiding clients throughout their design-build process while providing options that benefit their budgets and schedules. It operates under the leadership of Scott Rodwin, an acclaimed professional with over two dozen local and national design awards. Rodwin is a proud member of the American Institute of Professionals, National Council of Architectural Registration Boards, and a LEED accredited professional. Rodwin Architecture was included in the 2020 Mountain Living Top Architects and Designers List for its immense dedication and skill.

Barrett Studio Architects

1734 Hawthorn Ave, Boulder, CO 80304

Barrett Studio Architects is a modern architect based in Boulder, Colorado. It has operated since 1977 and offers a wide array of services Altona, Bark Ranch, Boulder, Broomfield, Crisman, Eldorado Springs, Glendale, and beyond. The firm built several residential, civic, education, community, and spiritual structures, attracting clients from around the world. Some of its specializations include architectural design and architectural drawings.

Barrett Studio Architects is led by David Barrett, FAIA, the founder and principal who is in charge of design. He completed his Bachelor’s Degree in Architecture from Kent State University and Master’s in Architecture from the University of Colorado Boulder. The firm manages any project regardless of its size. It is committed to developing visionary designs that meet or exceed its clients’ expectations.


2872 Bluff St, Boulder, CO 80301

bldg.collective is a full-service residential and commercial architecture and design firm based in Boulder, Colorado. It was founded in 2009 and has relentlessly offered custom homes, remodels, interior design, green design, and commercial services to clients residing in Boulder, and up and down the front range. bldg.collective is a creative and client-oriented company that approaches architecture in a unique way.

The firm’s team of driven professionals embraces every opportunity to explore and incorporate new design solutions to keep up with styles and trends. It willingly collaborates with clients to further understand their needs and intentions. The team is led by Steven Pierce and Chris Gray, both of whom are licensed architects in Colorado. bldg.collective a proud member of the American Institute of Architects Colorado and the Boulder Chamber of Commerce.

F9 Productions

825 Crisman Drive, Unit 100 Longmont, Co 80501

Founded in 2009, F9 Productions is a team of energetic, experienced, and driven architecture professionals delivering world-class customer service throughout Colorado, Idaho, North Dakota, and Tennessee. It is a multi-awarded firm that specializes in residential, commercial, and light-industrial design services. For twelve years, it has established a regional reputation for designing and building projects that no one else dares to touch. It is committed to delivering outstanding projects and unparalleled customer service.

Additionally, the firm is led by Alex Gore and Lance Cayko. The company has steadily grown as an architecture, construction, and development firm in Longmont, Colorado from the co-founders to a staff of 12. As they’ve grown the business, Cayko and Gore strive to empower the people they hire. They pride themselves on developing employees and growing them into leaders to add to the fabric of professionals in architecture.

In 2016, Cayko and Gore won the Architizer award for Architecture and Living Small popular vote for their tiny home, Atlas, the build of which was featured on season one, episode 14, of HGTV’s Tiny House Big Living. “One of the big reasons we have been successful has to do with our generation,” Lance said. “We’re a millennial-led and millennial-hired firm. We gravitate toward using the internet so much, especially for marketing. That was one of the early things we did right from the get-go. No other architect was online, treating it like a business online.” Being business savvy allowed them to earn top ratings, becoming the highest-rated firm for customer satisfaction in Colorado.

Stillwater Architecture

Stillwater Architecture, P.O. Box 1742, Boulder, CO 80306

Unlike the others, Stillwater Architecture differs because its design process starts, advances, and completes with the active involvement of one of the two principals personally working on every aspect of the client’s residential project. The firm also carefully listens to the distinct needs of its clients to produce homes that match their character and lifestyle. Since its inception in 2003, Stillwater Architecture has delivered architectural and construction services throughout Boulder, Eldorado Springs, Longmont, Denver, and beyond.

The firm operates under the supervision of Michael Donohue and Robert Gilbert, who have six decades of combined industry expertise. Their designs depict a variety of contemporary, cabin, and twenty-first-century styles. Stillwater Architecture is certified by the National Council of Architectural Registration Boards and is a member of the American Institute of Architects.

Red Pencil Architecture

726A Tenacity Dr., Prospect New Town, Longmont, CO 80504

Red Pencil Architecture is a Longmont-based residential design studio offering residential architecture and interior design services to Longmont, Boulder, Lafayette, and beyond. It was established in 2012 and has been passionate about creating exceptional places for homeowners to reside. Since its founding, the firm has prioritized quality workmanship and excellent customer service. Its creative solutions are developed by design experts with real-world construction experience. It involves the client throughout the design process to understand their goals deeply and to ensure their satisfaction.

The firm has constructed numerous high-end and luxury contemporary homes for nine years. Founders Andrew Dratch and Marty Beauchamp oversee the firm’s daily operations, ensuring that projects adhere to industry standards and other protocols. Andrew and Marty have years of vast industry knowledge and expertise, which enables the firm to ensure efficient operations.


  • Shahe Demirdjian

    Shahe is an Editor at Home Builder Digest with around four years of experience as a writer and editor in the construction space. Shahe has always had a huge interest in commercial/residential construction and real estate. On top of his experience at Home Builder Digest, he has two years of experience as a Construction Partner Specialist at BuildZoom and six years of experience as a licensed real estate agent. In his work, he takes advantage of his expertise to take complex technical jargon from those realms and transform them into accessible, engaging content, blending his business administration expertise with a degree from Arizona State University with his experiential insights. Expertise: Architecture, Home Design and Build, Home Remodeling Key Highlights: Arizona Real Estate - Licensed Salesperson Education: Arizona State University - Bachelors in Business Administration