Fill Dirt in Mad River, CA

Fill dirt is clean, subsoil material used to raise grades, fill holes, or build pads. In Mad River, fill dirt is commonly used to level yards, build driveway bases, and create compactable building pads where topsoil or organic material has been removed. It is not a planting medium, so add topsoil where you plan to grow plants or turf.

Prices vary by supplier, distance, and whether the material is screened. Expect a typical delivered range of about $15 to $40 per ton in the West California area, but local rates can be higher for long hauls or difficult access. Check your zip code on Hello Gravel or request a quote for an accurate, up-to-date per-ton price.

Hello Gravel has a platform minimum of 3 tons, but actual truck deliveries are usually by tri-axle dump truck carrying roughly 10–14 tons. For very tight or remote driveways, suppliers may require a minimum full-truck delivery or charge additional access fees, so note gate widths, bridge limits, and turnaround space when ordering.

Yes — suppliers in Humboldt County and nearby towns (for example Arcata, Eureka, and Fortuna) commonly offer both screened and unscreened fill dirt. Screened fill dirt has rocks and large clods removed and is better for compacting under slabs and driveways, while unscreened material is cheaper for bulk fills where fine grading or compaction is less critical.

Mad River is in a wet, coastal part of Humboldt County so soils stay wetter longer and erosion is a concern during winter storms. Any work that alters drainage, slope stability, or creates potential sediment runoff may be subject to county grading and erosion-control requirements; check Humboldt County Planning and Building or obtain advice from local authorities before large grading projects. Use erosion-control BMPs (silt fences, straw wattles) on exposed slopes and schedule major earthwork in drier months when possible.

Install fill dirt in 4–8 inch lifts, mechanically compacting each lift with a plate compactor or roller until designed density is reached. Avoid placing or compacting fill when the soil is saturated; moisture conditioning is often required to achieve good compaction in Mad River's coastal climate. On soft organic or peat soils, consider removing unsuitable material or using geotextile and structural fill to improve performance.

Conversion depends on moisture and compaction, but a common working range for fill dirt is about 1.2 to 1.6 tons per cubic yard. As an example, 10 cubic yards of loose fill dirt will typically weigh about 12 to 16 tons. Use Hello Gravel's material calculator or request supplier-specific conversions for a more precise estimate.

Fill dirt is ideal for bulk volume and raising grades but is not designed as a wearing surface. Crusher run (crushed stone with fines) compacts well and is a better base and wearing layer for driveways, while decomposed granite makes a compact, attractive surface for paths and some driveways but can rut in very wet climates. Topsoil is for planting and should not be used as structural fill; for drainage, choose well-graded aggregate and proper slope rather than fine fill dirt alone.

Rural Mad River properties often have narrow, steep, or unpaved access that can restrict truck size and offload location. Provide delivery notes at checkout with gate codes, preferred offload zone, obstacles, and any weight/bridge restrictions; drivers will evaluate access on arrival and additional fees may apply if off-road haul or hand-spreading is required. Tailgate spreading is sometimes available at the driver's discretion but is not guaranteed.

Labor and equipment pricing varies with scope and access; small spreading and compaction jobs often run in the range of $8 to $25 per cubic yard, while hourly rates for crews and compactors commonly fall between $45 and $95 per hour depending on equipment and travel. Because site conditions in Mad River (steep grades, wet soils, remote access) can increase costs, get several local quotes and include mobilization and compaction specifications in the estimate.

Choose screened fill dirt when you need a clean, stone-free material for compacting under slabs, patios, or driveways where a smooth, dense base is required. Use unscreened fill dirt for large bulk fills where cost is important and surface finish is not critical, then cap with a compactable base or topsoil where needed. If in doubt, ask Hello Gravel which option best fits your project's compaction and drainage needs.