
Where craftsmanship meets community. We’re a family-owned construction company proudly based in Altadena, CA, offering full-service remodeling and ADU solutions designed to elevate your living space. Whether you're dreaming of a new kitchen, bathroom, or a complete home upgrade, our experienced team is here to guide you every step of the way. Let us help bring your vision to life, starting with a free, no-obligation estimate.
Proudly serving Altadena, the San Gabriel Valley, and neighboring cities, we are committed to delivering quality craftsmanship and personalized service to every project we take on.
Welcome to Mareci & Steele Construction Company
About us
Built on Trust. Driven by Craftsmanship.
At Mareci & Steele Construction Company, we don’t just build, we create lasting value for homeowners across Southern California. As a licensed, family-owned construction company based in Altadena, we’ve earned a reputation for exceptional craftsmanship, transparent communication, and delivering results that exceed expectations.
Founded by longtime friends and builders Larry Steele and Tristen Mareci, our company was built on a shared belief: that great construction starts with trust and ends with satisfaction. Whether you’re converting a garage into an income-generating ADU or renovating your dream kitchen, our experienced team approaches every project with care and precision.
We specialize in ADU construction, home remodeling, and custom transformations and we bring decades of combined industry knowledge to every detail. Our in-house permitting specialist, Aurora Britzman, helps navigate the red tape so you don’t have to.
From design to delivery, Mareci & Steele Construction Company is committed to doing the job right, the first time, every time.