phone_in_talk Grading, Trenching, and Site Prep. Built to Meet California ADU Code Call Now +1 619 606 3803 San Diego’s Groundwork Experts Request A Quote phone_in_talk Grading, Trenching, and Site Prep. Built to Meet California ADU Code Call Now +1 619 606 3803 San Diego’s Top Heavy Equipment Request A Quote
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WHO WE ARE - JS Valley Grading Inc (Lic 1146915)

Licensed California Earthwork & Paving Contractor

JS Valley Grading is a family-owned business proudly serving San Diego and the surrounding areas for the past 35 years. With deep roots in the community and decades of hands-on experience, we’ve built our reputation on reliability, craftsmanship, and a commitment to doing the job right the first time.

We provide a full range of construction and site development services for residential, commercial, and public works projects. Using advanced tools, including cutting-edge 3D GPS technology, we deliver precision, efficiency, and quality on every project, large or small.

Our expertise includes grading, excavation, concrete foundations, retaining walls, framing, asphalt, landscaping, septic services, ADU construction, full ground-up builds, and more. Whether you need backyard leveling, trenching, land grading for large developments, or support on a public works project, our team is equipped to handle it with professionalism and care.

At JS Valley Grading, we combine family values with modern technology to create dependable results you can trust. Contact us for all your construction needs—no matter the scale.

Earthmoving & Excavation

Start your project with JS Valley Grading Inc’s professional excavation services, designed to prepare your site efficiently and safely for construction.

Grading & Leveling

We provide precise grading and leveling for both residential and commercial properties, creating a stable foundation for every type of project.

Utility Trench Digging

Our expert team handles utility trenching with accuracy, ensuring proper installation for water, sewer, electrical, and gas lines.

Concrete Removal & Haul-Away

From small driveways to large commercial slabs, we remove and haul away concrete efficiently, leaving your site ready for the next phase.

Why Homeowners & Builders Choose Us

Trusted California Sitework Specialists

Even after the completion of a project, monitoring the building’s life-cycle.

Proven Field Expertise

Years of hands-on experience preparing sites for ADUs, new builds, remodels, and utility installations.

Reliable Soil & Compaction Standards

We specialize in ADU recompacts to meet county and city inspection requirements.

Complete Sitework Support

From excavation to trenching to haul-off — one contractor for the entire ground-up process.

Equipment-Ready for Any Scope

We operate the right machinery for precise grading and efficient material handling.

Preconstruction

The exceptional track record built over 60 years demonstrates.
LETS TALK

Reach Us!

Serving California Communities With Trusted Sitework & ADU Preparation

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    COMMUNITIES
    California Service Areas
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    PROJECT
    Sitework & ADU Preparation
    1 K
    HOURS
    On-Site Professional Experience
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    Years
    Industry Expertise
    Building Strong Foundations

    Precision Grading, Excavation & ADU Site Preparation Across California

    ADU Recompacts & Soil Preparation
    Compaction, re-compaction, soil stabilization, and grading tailored for ADU pad readiness and permit compliance.
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    General Grading & Excavation
    Rough grading, finish grading, land leveling, cuts/fills, and earth movement for residential and commercial properties.
    Concrete Removal & Haul-Away
    Demolition, breaking, debris removal, and proper hauling for slabs, driveways, patios, foundations, and structural concrete.
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    Utility Trenching (Water, Sewer, Electrical, Gas)
    Precision trenching, soil backfill, compaction, and safe utility routing for new or updated service lines.
    Site Preparation & Backfill
    Pre-construction ground prep, structural backfill, soil import/export, compaction, and site balancing.
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    Total Workers
    JS Valley Grading Inc (Lic 1146915)

    California’s Reliable Grading & ADU Sitework Experts

    JS Valley Grading Inc delivers reliable, compliant, and precision-driven earthwork services across California. From ADU recompaction to full-scale site preparation, grading, and utility trenching, we help homeowners, builders, and developers start every project on a solid foundation.

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    Years of Experience

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    Get a Customized Sitework Estimate

    Request a Quote

    Get a detailed estimate for ADU recompacts, grading, excavation, trenching, or concrete removal.

    Submit your project details and our team will respond promptly with timelines and scope recommendations.

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