Gravel in San Mateo, CA

Prices vary by material and supplier, but expect roughly $40 to $100 per ton delivered in the San Mateo area. Final price depends on gravel type (pea gravel vs. crushed rock), delivery distance, and current local demand. Hello Gravel requires a 3-ton minimum on most orders and offers transparent quotes after you enter your zip code.

For very small amounts (a few bags), 50 lb bags from a big-box store can be cheapest because there is no minimum order or delivery fee. For projects that need more than about 20 to 30 bags (roughly one to two cubic yards), bulk delivery almost always beats bagged pricing on a per-ton basis and reduces handling. Remember Hello Gravel has a 3-ton minimum for most deliveries, so for very small projects compare bag costs vs. a small bulk order with local suppliers.

A 50 lb bag of gravel is about 0.5 cubic foot and will cover roughly 3 sq ft at 2 inches deep. A 10x10 patio (100 sq ft) at 2 inches needs about 0.62 cubic yards, or roughly 35 fifty-pound bags — buying bulk is usually cheaper and easier to install for that size. Because Hello Gravel has a 3-ton minimum, bulk makes sense cost-wise for larger patios; for a single small patio you can compare bag cost vs. ordering a small bulk delivery or sharing an order with a neighbor.

A 3/4u0022 crushed rock or crushed stone with fines compacted over a crushed-rock base (often called aggregate base) is the most durable, especially with Bay Area rain and occasional heavy loads. Pea gravel looks nicer but moves and ruts more under tires; decomposed granite can be stabilized but is less durable without binders. Expect crushed base materials to cost more per ton than plain pea gravel, but they outperform cheaper gravels over time due to lower maintenance needs.

A typical tri-axle dump truck carries about 10 to 15 cubic yards, which translates to roughly 14 to 21 tons depending on the material; local limits and truck types change those numbers. At 2 inches depth one cubic yard covers about 162 sq ft, so a 10-15 yd3 load covers roughly 1,600 to 2,400 sq ft at 2u0022 depth (half that at 4u0022 depth). Delivered cost for a full truckload varies widely by material and distance; ask Hello Gravel for an itemized quote for accurate pricing in San Mateo.

Using a common single-car driveway width of 10 ft (1,000 sq ft): at 2u0022 depth you need about 8.6 tons, at 4u0022 about 17.3 tons. With local gravel pricing between about $40 and $100 per ton, material cost would range roughly $350 to $860 for 2u0022 or $700 to $1,730 for 4u0022, plus any delivery fees and compaction/labor. These are estimates — get a Hello Gravel quote for exact pricing and note that a 3-ton minimum applies to many deliveries.

A 20 ft long by 10 ft wide driveway at 4u0022 depth is 200 sq ft and needs about 3.5 tons of material, which is close to Hello Gravel's 3-ton minimum. Expect material cost roughly $140 to $350 depending on type, delivery fees that may be free or up to a few hundred dollars, and basic spreading/compaction labor of around $200 to $600 if hired. Overall a reasonable ballpark for a basic install is $500 to $1,200, but request a local quote for exact numbers.

Two inches of loose gravel is generally not enough for a driveway — it will shift and rut quickly. For longevity plan on a compacted base of 4 to 6 inches of crushed aggregate (aggregate base) plus a 1 to 2 inch wearing layer, and consider geotextile fabric if subgrade is soft. This approach improves drainage and reduces maintenance in San Mateo's mix of clay and sandy soils.

Cheaper options include decomposed granite, reclaimed asphalt grindings (RAP), and compacted road base; prices depend on material and finish. Decomposed granite can be inexpensive per ton but may need stabilizer and more upkeep, while reclaimed asphalt can offer a durable, lower-cost surface for driveways. Compare life-cycle costs — a slightly pricier crushed base often saves money by reducing maintenance over time.

A compacted crushed-rock or aggregate base (4 to 6 inches) with geotextile fabric beneath is the best practice for San Mateo soils to prevent mixing with clay and improve drainage. Expect to add the cost of the road-base material (often similar per-ton pricing to gravel) and about $0.20 to $0.60 per sq ft for fabric (roughly $5 to $15 extra per cubic yard when averaged over the project), though exact costs vary by supplier. Ask Hello Gravel for local recommendations and an itemized quote so you can compare material and installation costs for your site.