A Trusted California Contractor for Earthwork, Grading & ADU Site Preparation
Delivering safe, stable, and code-compliant groundwork for residential and commercial projects.
JS Valley Grading Inc (Lic 1146915) is a California-based earthwork and paving contractor committed to providing high-quality grading, ADU recompacts, utility trenching, and concrete removal services.
Our work supports homeowners, ADU builders, general contractors, engineers, and commercial property developers who rely on durable site preparation and inspection-ready results.
We operate with a strong focus on safety, regulatory compliance, and long-term structural stability.
Specialized ADU Expertise
ADU construction requires strict soil standards. We deliver proper re-compaction, engineered fill preparation, and drainage-safe grading that pass city and county requirements.
Precision Sitework
Every cut, trench, and grading pass is executed with attention to detail to reduce future settlement risks and ensure long-term ground stability.
Complete Ground-Up Services
From concrete removal to trenching to backfill, we streamline site prep under one contractor—saving time and reducing onsite coordination challenges.
California Code Alignment
Our methods follow regional guidelines for trench depth, compaction density, moisture conditioning, and grading slopes.
Reliable Communication
Clear timelines, honest expectations, and consistent project updates ensure homeowners and contractors always know the next step.
Our Service Approach
We blend technical skill with strategic planning:
Every phase is performed to support a safe, long-lasting build.
Visit our Request a Quote page to start your project with a reliable, inspection-ready sitework team.