About Us

Mitch Maertens Construction is a full service general contractor located in Los Angeles, specializing in new construction, custom home building, and commercial and residential renovations, including room additions, kitchen and bathroom remodeling, and sustainable eco-friendly construction. Based in Monrovia, California, we service the Greater Los Angeles region, including the San Gabriel Valley.
We take pride in our quality craftsmanship, our attention to detail, and our open line of communication with each and every customer. With each project, we understand that our role is about more than simply putting up walls - it’s about opening doors to keep you and your vision central to the construction process. It’s the reason our company is among the most trusted and fastest growing custom home builders in Los Angeles.