Custom Home Building • Commercial Construction • Land Development
Building Western Colorado’s finest custom homes, commercial spaces, and the River Heights Estate community — on time, on budget, built to last.
Custom Home Building
Custom luxury residences with smart integrations—elevating Grand Valley living.
Land Development
Strategic site planning for subdivisions, turning raw acres into vibrant communities like River Heights.
Project Management
End-to-end oversight, from permitting to punch lists, with real-time AI tracking.
Commercial Construction
Robust structures for Western CO businesses, blending function with aesthetic appeal.
Our Team
Meet the crew turning Western Colorado and the Midwest dreams into durable realities—decades of hands-on expertise at your service.

Gregory Martin
Owner/CEO
Bio
His professional background encompasses all phases of the construction process, from pre-construction planning and project estimating, detail contract scheduling, project management and coordination of the on-site construction with owners through completion and the warranty period.
He currently owns and operates Triple 7 Construction, LLC, Diamond M Lumber Co., a wall panel and floor system manufacturing business serving commercial and residential construction projects in Colorado, Wyoming, and Utah and is an Owner and Developer of the new River Heights Estates Subdivision (Riverheightsestates.com), a 192-acre Residential Development consisting of forty (40) Executive and Estate homes in Grand Junction, Colorado.

Linda Kimble
Chief Operations Officer
Bio
A native of Colorado, she spent the last twenty years of her career in San Ignacio, Belize, Central America where her four design and construction companies developed and built custom vacation homes residences in Belize for the expat communities from Europe, Canada and the US.
Linda returned home to Grand Junction in 2022 and within months, joined Triple 7 Construction as Chief Operating Officer. Her mission.... to oversee operations, set and drive organizational vision and develop the future strategy for company growth, now including the new River Heights Estates Residential Development of forty custom and executive homes.

Lynne Habberfield
Accountant
Bio
A Colorado transplant, Lynne has a Bachelor of Science degree in Accounting from Loyola Marymount University

Justin Jacobs
Project Site Superintendent
Bio

Felipe Henrique
Chief Estimator/Project Manager
Bio
Henrique brings a strategic and detail-driven approach to preconstruction. With extensive experience in commercial and multi family developments, he specializes in transforming complex plans into accurate, executable budgets.
Felipe is recognized for his in-depth takeoffs, strong scope management, and ability to align pricing with real-world construction execution. His collaborative mindset and commitment to precision help position projects for efficiency, profitability, and long-term success.
He is dedicated to supporting Triple 7 Construction’s growth through disciplined estimating, strong communication, and a results oriented mindset.
Our Core Services
Tailored construction solutions for Western Colorado — from custom homes to commercial builds and the River Heights Estate community.
Custom Home Building
Custom luxury residences with smart integrations and sustainable features — designed to elevate Grand Valley living for generations.
Land Development
Strategic site planning and infrastructure for subdivisions — turning raw acres into thriving communities like River Heights Estate.
Commercial Construction
Robust, functional structures for Western CO businesses — blending modern design with durability and aesthetic appeal.
Project Management
End-to-end oversight, from permitting to punch lists, with real-time AI tracking.
