
WHO WE ARE
Lounsbury Built is a group of passionate, skilled craftsmen with decades of experience in the luxury remodel and custom build space, working exclusively in Marin County, California. For almost a decade, we’ve curated a highly specialized crew of construction and finishing experts that attend to every detail of each of our projects.

MARK LOUNSBURY, OWNER
Mark Lounsbury is a 21 year veteran of the construction industry, starting as an apprentice under his father’s general contracting business. After starting Lounsbury Built in 2018, Mark and his highly skilled team has specialized and excelled in high-end custom home remodels in Marin County. The LB team thrives by pushing boundaries of what’s possible, and executing unique challenges with precision. His passion is in the relationships he develops with clients, guiding home owners through the subtleties of the home renovation process, from pre-planning and permitting to the finishing touches, and ultimately bringing the client’s vision to life.
Our crew
The Lounsbury Built crew is a group of hand selected, vetted and highly skilled artisans, dedicated to their craft and the highest of standards. Through careful planning and their combined skill sets, anything is possible. The ability to work together as a team to solve seemingly impossible tasks is a culmination of trust, experience, and the collective skills of the team. From the attention to detail, adhesion to schedule and budget, and execution, the pride in this crew’s work is reflected in the confidence of our clients throughout the project.