Fill Dirt in Stonyford, CA

Fill dirt is generally less expensive per ton than crushed gravel because it is usually unprocessed native soil. In Stonyford, local supply and trucking distance affect price, so costs can vary; Hello Gravel requires a 3-ton minimum and can provide a firm quote based on local availability. For a quick estimate, use our online calculator or request a quote to see delivered pricing to your zip code.

Fill dirt is composed mainly of native soil, fines, and subsoil material and is intended to raise grade or fill voids. Gravel is processed rock used for drainage and structural bases; it drains well and compacts differently. Use fill dirt for bulk grade work and backfill, and use gravel where drainage or a stable base is required.

You can place fill dirt under a mulch layer to raise grade before landscaping, but you should not mix them together as one material. Mulch is organic and will break down, while fill dirt is inorganic and meant for structural fills; adding a layer of topsoil between fill dirt and mulch helps plant growth. In Stonyford's dry summers, add topsoil or compost on top of fill dirt before mulching to support plants.

A typical tri-axle dump truck delivers about 10 to 14 cubic yards of loose fill dirt, which is roughly 12 to 18 tons depending on moisture and composition. Hello Gravel coordinates local haulers and will confirm the truck size and exact yardage for your delivery. For a precise amount and price, request a quote for your address in Stonyford.

Multiply area by depth then divide by 27 to get cubic yards: cubic yards = (sq ft x depth in feet) / 27. For example, 1,000 sq ft at 4 inches (0.333 ft) requires about 12.3 cubic yards or roughly 14 to 16 tons of fill dirt depending on density. Use this formula to size your order and round up to account for compaction and settlement.

Calculate volume from length, width, and desired depth. For example, a 20 ft long by 10 ft wide driveway with a 4-inch layer needs about 2.5 cubic yards (around 3 tons) of fill dirt. Adjust quantities if you plan multiple lift-and-compact layers or if the driveway area is wider or deeper.

Yes, you can add fill dirt over existing soil to raise grade, but proper preparation is important: remove vegetation and top organic layers, place fill in thin lifts (4 to 6 inches), and compact each lift. This prevents excess settlement and keeps slopes stable—especially important in Stonyford where winter rains can cause erosion. For larger fills or near structures, consider professional compaction testing or permits.

Fill dirt is not a substitute for drainage rock or gravel because it often contains fines and clay that impede water flow. For drainage trenches, use clean crushed rock or gravel and wrap with landscape fabric as specified; fill dirt can be used as backfill away from the drainage path. In Stonyford, where seasonal runoff can be concentrated, prioritize proper drainage materials and design.

A 50 lb bag of soil-like material is roughly 0.5 to 0.6 cubic feet. At a 1-inch depth (0.083 ft), one 50 lb bag covers about 6 to 7 square feet. For larger jobs in Stonyford it is more practical and cost-effective to order bulk fill dirt by the cubic yard or ton through Hello Gravel.

No, the 3-3-3 rule (3 inches of mulch, 3 inches of soil, 3 inches away from trunks) is specific to mulch and planting beds and does not apply to fill dirt. For placing fill dirt, follow engineering best practices: place fill in 4 to 6 inch lifts and compact each lift to reduce settlement. If you are transitioning from fill dirt to planting, add a layer of quality topsoil before mulching or planting.

Putting fill dirt directly over live grass is not recommended because organic material decomposes and causes uneven settlement and drainage problems. Remove or scrape off the turf and topsoil first, then add fill dirt in compacted lifts for a stable base. In Stonyford's small-lot and rural settings, removing vegetation and compacting lifts will save time and rework later.