ADU FOUNDATIONS
SERVICE OVERVIEW
M&M Concrete Inc. provides expert ADU excavation, site preparation, concrete foundation, and slab services for homeowners, builders, general contractors, and developers. If you are planning an Accessory Dwelling Unit, we deliver the essential groundwork needed to prepare the property and create a strong, stable base for construction.
We perform professional ADU site work including excavation, grading, foundation preparation, concrete foundations, slab pouring, and flatwork for a wide range of residential projects. From detached ADUs and backyard units to guest houses, granny flats, and in-law suites, our team focuses on precision, durability, and dependable project execution every step of the way.
At M&M Concrete Inc., we understand that every successful ADU project starts with proper site preparation and quality concrete construction. That is why we are committed to providing trusted
ADU concrete contractor services that help support lasting results, improve project efficiency, and give clients confidence in the foundation of their new living space.
Our ADU Excavation, Foundation & Slab Services Include:
- Site preparation for Accessory Dwelling Unit (ADU) projects
- Residential excavation and grading for ADU construction
- Concrete foundation work for detached ADUs and backyard units
- ADU slab installation with reinforced concrete and proper preparation
- Reliable sitework services for homeowners, builders, and general contractors
Whether you're building a detached ADU, backyard unit, guest house, or in-law suite, MM Concrete Inc. provides dependable site preparation, excavation, grading, concrete foundation, and slab installation services designed to help your project start on solid ground.
Serving San Bernardino and surrounding areas, we work with homeowners, general contractors, builders, and developers to deliver quality ADU foundation services with durability, precision, and reliable workmanship. Our team is committed to completing the groundwork and concrete phases of your Accessory Dwelling Unit project with attention to detail and long-lasting results.

Contact us today to learn more about our ADU excavation, sitework, concrete foundation, and slab services and see how MM Concrete Inc. can help prepare your property for a successful ADU build.
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WHY CHOOSE US
At M&M Concrete, we don’t just pour concrete and build walls—we build lasting value for your home or business. Homeowners and property managers trust us because:
