Home / Local prices / Riverside Riverside–San Bernardino–Ontario Gravel French drain cost Estimate aggregate for a rectangular or trapezoidal drainage trench. Start with the published examples below, then use your own supplier quote for a delivered estimate.
Sierra river rock, 3/4-inch — $146 per cubic yard Material price. Listed bulk material rate for Riverside / San Bernardino County delivery. Confirm grade, cleanliness, and compatibility with your project specification.
Delivery is quoted separately based on destination, access, order size, and truck availability. Ask for minimums and a tax-inclusive total; listed discounts require eligibility confirmation.
Landscape Rock Direct · checked 2026-09-14 ↗ The result is gross trench fill; subtract displaced pipe volume separately. Use aggregate appropriate to the drainage design.
Make it your estimate. Set your dimensions below. Apply a researched supplier rate in supplier options, or enter your own quote.
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Your dimensions Feet & inches Metric
Project shape Rectangle / slab Circle / footing Rectangular trench Trapezoidal trench YOUR TRENCH IN 3D Illustrative · not to scale
Top width 12 ft Length 20 ft Bottom width 6 ft Depth 4 in Depth exaggerated for clarity
Allow a little extra For uneven ground, spillage, and the unexpected.
Density and bag values are editable planning assumptions. Confirm the product label or supplier specification.
Reinforcement quantities follow your inputs, not a structural design. Base volume excludes its own waste and compaction. Trench fill does not subtract pipe displacement.
YOUR MATERIAL ESTIMATE
2.33 cubic yards
Includes 5% waste
Neat volume 2.22 yd³
Metric volume 1.78 m³
Estimated material weight 3.27 US tons
0.5 ft³ bags 126 bags
Rounded bulk order 2.5 yd³ Confirm yield, density, and order increments with your supplier before ordering.
Section name 02
Bagged or bulk? Same project. Two ways to get it done.
126 bags
6,300 lb to transport and handle.
Price per bag $
Material estimate Add your price
THE BULK APPROACH Less handling 2.5 cubic yards
1 estimated load at your truck capacity.
Bulk material price $/yd³
Bulk estimate Add your price
Prices are optional. Tax and additional charges are included only when explicitly entered or covered by the saved terms. Placement labor is excluded. Estimates are not supplier quotes.
User-entered supplier prices; delivery and tax require confirmation.
No detailed supplier conditions were saved. Confirm delivery and other charges before ordering.
Supplier order terms Quoted delivery addition per order Truck weight capacity (US tons) Quoted tax per order Quoted waiting charge per order Quoted pumping charge per order Other quoted charges per order
Amounts are flat dollar charges for this order. Leave unknown charges blank; enter zero only when confirmed. Weight limits use your entered density. Choosing another supplier clears these quote fields and the delivery location.
Your entered unit price, rounding, delivery, and short-load assumptions apply. Saved supplier minimums and brackets are not automatically enforced in manual quote mode.
Set an optional weight capacity under Supplier order terms; loads use whichever volume or weight limit is lower. Confirm the payload limit and material density with your supplier. Short-load fees apply to each load below your threshold. Base material and rebar costs are excluded.
Entered delivery fees: $0.00 · Short-load fees: $0.00
These are product-specific examples, not regional averages. Applying one sets the listed unit rate. Review delivery, minimum-order and density terms before using the totals. Editing the unit rate switches to manual quote mode.
Project application All applications — check product suitability Gravel driveway Gravel paver base Gravel French drain Supplier market All markets — check service area New York Los Angeles Chicago Dallas–Fort Worth Houston Atlanta Washington Miami Philadelphia Phoenix Boston Riverside San Francisco Detroit Seattle
Sierra river rock, 3/4-inch · $146.00/yd³ Material price. Landscape Rock Direct — Listed bulk material rate for Riverside / San Bernardino County delivery. Confirm grade, cleanliness, and compatibility with your project specification.
Delivery is quoted separately based on destination, access, order size, and truck availability. Ask for minimums and a tax-inclusive total; listed discounts require eligibility confirmation.
Reviewed applications: Gravel French drain.
Source · checked 2026-09-14 ↗ Use price 03
Your project, together 0 / 50 sections A patio. A path. The whole picture. Add your first section to keep all your materials in one place.
Add this section A GOOD ESTIMATE STARTS HERE
Know what goes Every estimate shows its assumptions. Adjust waste, material density, and delivery rules to match your job. Use your supplier’s actual prices for a more useful comparison.See how we calculate
2.33 yd³ incl. allowance Save section