Our Fill Dirt is an affordable, compactable material composed of natural earth—perfect for grading, leveling, backfilling, and construction prep across Napa, Solano, Sonoma, and Marin counties. Sourced locally and its unscreened. This material is ideal for contractors building stable pads in Vallejo, landscapers reshaping terrain in Benicia, and homeowners tackling drainage or hardscape projects in Fairfield. Unlike topsoil, fill dirt is low in organic matter, making it a dense, stable base for foundations, retaining walls, and large-scale landscaping. Whether you're preparing a construction site in Vacaville or correcting a slope in Novato, our fill dirt delivers lasting support where you need it most.
Common Use
- Excellent for rough grading, compacting & structural base work
- Affordable bulk option for large-scale fill needs
- Serves residential, commercial, and landscape uses
Coverage Rates & Ordering Information
Coverage Per Cubic Yard
~150 sq ft at 2" depth
~75 sq ft at 4" depth
~50 sq ft at 6" depth
~38 sq ft at 8" depth
Tip: Order an additional 5–10% to account for compaction and grade adjustments.
Minimum Order
1 cubic yard for delivery orders
Bulk pricing available for large-scale projects
Delivery Service Areas
We deliver Recycled Gravel to residential, commercial, and municipal job sites across Napa, Solano, Sonoma, and Marin counties, including but not limited to:
Napa County – Napa, American Canyon, Yountville, St. Helena
Solano County – Vallejo, Benicia, Fairfield, Vacaville, Dixon
Sonoma County – Petaluma, Santa Rosa, Sonoma, Rohnert Park, Cotati
Marin County – Novato, San Rafael, Mill Valley, Corte Madera, Larkspur
Access & Site Requirements
Suitable dump locations: gravel driveways, soil pads, or other open areas
Tight-access properties should be evaluated prior to delivery
Material is loose and dusty; take precautions to protect nearby landscaping and hardscape
Get your site project-ready—order Fill Dirt today from North Bay Materials Delivery Services.
Frequently Asked Questions – Fill Dirt
Q: What exactly is fill dirt?
A: Fill dirt is a compactable, low-organic-content soil composed primarily of natural earth and fine mineral particles. Unlike topsoil, it has minimal organic matter, making it dense, stable, and ideal for grading, leveling, and rough structural base work.
Q: How is this fill dirt different from topsoil?
A: Topsoil contains organic matter that can decompose and shift over time, which is not ideal for structural stability. Fill dirt is screened for compacts well, making it better suited for foundations, retaining wall backfill, slope correction, and construction prep.
Q: Can I use fill dirt for planting?
A: Fill dirt is not recommended for planting because it lacks nutrients and organic matter. If your project requires planting, we recommend adding a layer of enriched topsoil or compost above the fill dirt.
Q: What are the most common uses for fill dirt?
A: Contractors and homeowners in Napa, Vallejo, Benicia, and Fairfield use fill dirt for site grading, backfilling retaining walls, creating stable building pads, correcting slopes, and filling in low areas before landscaping or paving.
Q: How much area will one cubic yard cover?
A: Approximate coverage:
~150 sq ft at 2" depth
~75 sq ft at 4" depth
Q: Does this fill dirt come screened?
A: No, our fill dirt is locally sourced and its un-screened for consistency, oversized rocks and debris are expected.
Q: Is fill dirt good for drainage projects?
A: Fill dirt can be used for certain drainage grading applications, but if you need materials that allow high water permeability, such as under French drains, consider a more free-draining aggregate like drain rock.
Q: What ares do you deliver to?
A: We deliver throughout Marin, Napa, Sonoma, and Solano counties, including Vallejo, Benicia, Fairfield, Vacaville, Napa, American Canyon, Novato, Petaluma, and Santa Rosa. Minimum order is 1 cubic yard.
Fill Dirt – Reliable, Compactable Earth Material (sold per cubic yard)
volume discounts @ checkout