Best Aggregate for French Drain: 2026 Picks
A direct pick of the right material for your project, with three sensible alternates and what each one costs delivered.
Our top pick: #57 Crushed Stone
For french drain gravel projects, #57 Crushed Stone is the material we ship most often. The knits under load, stays angular behavior and fast drainage profile are what most crews are after on this job.
Why #57 Crushed Stone fits french drain gravel
The 3/4 - 1" size sits in the sweet spot for french drain gravel. Crews like it because it is widely stocked at quarries, the price is predictable, and you can get a tandem-load delivered same day in most metros. Spec it at the depth your local code or contractor recommends, and plan a thin re-dressing every couple of years.
Worth considering: Drain Rock, #57 Crushed Stone, and #4 Crushed Stone
Each of these is a sensible alternative when budget, drainage, or aesthetics push you off the main pick. Drain Rock has very fast drainage and a coarse gray with visible voids look. #57 Crushed Stone has fast drainage and a sharp gray, utilitarian look. #4 Crushed Stone has moderate drainage and a sharp gray, utilitarian look.
How much to order
A typical residential french drain gravel project runs 4 to 12 tons of #57 Crushed Stone. Use the calculator on the site to plug in your dimensions, then pad the order 10 percent for waste and edges. Full-truck delivery (16+ tons) is the cheapest route on a per-ton basis, with 15 to 20 percent savings over partial loads.
Top picks side by side
| Material | Spec | Fit & price |
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Verdict
For french drain gravel projects, the answer is #57 Crushed Stone. It is the material we move the most of, the price is sensible, and every quarry in our network keeps it in stock.
Related guides
GUIDEWhat Are Screenings? A Guide to Crushed Stone FinesScreenings are fine crushed stone used for paver bases, joint fill and walkways. See what screenings are, common types, and mistakes to avoid.Read guide →
GUIDEWhat to Put Under River Rock for Landscaping BedsHere is what to put under river rock landscaping: a compacted base where needed, then landscape fabric, then rock, to stop weeds and settling.Read guide →GUIDEHow to Clean River Rock and Restore Its ColorLearn how to clean river rock landscaping with rinsing, soap and vinegar methods, plus common mistakes to avoid for a brighter, longer lasting rock bed.Read guide →
GUIDEHow to Lay a Gravel Driveway: Step-by-Step GuidePractical, field-tested guide: how to lay gravel driveway. Pulled from real US installer notes and 2026 supplier price data.Read guide →Frequently Asked Questions
Why is Drain Rock the best for this project?
1-2" drain rock is the gold standard for French drains. Lay 4-6" deep over perforated pipe wrapped in geotextile fabric.
Are there cheaper alternatives?
Yes - but the cost difference is usually $1-5 per ton, while the wrong material can double your install time. Pick Drain Rock unless your local quarry doesn't carry it.
How much do I need?
Depends on area and depth. A typical residential project needs 2-6 tons. Use the linked calculator for exact tonnage.
Can I install it myself?
Yes - most homeowners spread Drain Rock with a wheelbarrow, rake, and plate compactor over a weekend.
How long does it last?
Properly installed, 10+ years before any top-up is needed. UV doesn't break down rock.
Where do I buy it?
Order from us - bulk delivery same-day in most metros. Or buy bagged at home centers for small jobs.