
River Rock Delivery in Kent, Washington: Sizes and Pricing
Bulk river rock delivered in Kent, WA. Stone size 1 - 3. Mixed natural color.
Starting from $784.29 delivered to Kent for 2 tons, our minimum order
Kent homeowners and small contractors order river rock delivery by the ton to manage drainage on this flat valley floor south of Seattle, part of the Seattle-Tacoma-Bellevue metro in Washington. The city holds a population in the neighborhood of about 135,000, and its low, level ground means water needs somewhere to go once the rain sets in for the season. Mixed natural river rock, sized 1 to 3 inches, is one of the most common answers homeowners reach for.
Kent at a Glance
Federal Way sits about 6 miles from Kent, Renton about 7, Bellevue roughly 12, and Redmond around 13, all inside the same stretch of Puget Sound lowland that forms the Seattle-Tacoma-Bellevue metro. Seattle itself is a bit farther out at roughly 16 miles. The same product lineup and delivered pricing that serves Kent also covers River Rock in Washington more broadly, so a lot of what follows applies to that wider stretch of the metro too.
Winters here bring steady rain rather than heavy snow, and because the valley floor sits low and flat, yards can hold standing water for days after a storm moves through. That backdrop is behind most of the river rock projects that come out of Kent.
Where River Rock Earns Its Keep in Kent
The valley's clay-heavy soil drains slowly, so a large share of Kent's orders go toward drainage swales and dry creek beds that carry runoff away from foundations and low corners of the yard. Homeowners also lay it down as ground cover under downspouts, along fence lines, and inside raised beds where mulch would float away in a hard rain. Because the stones run 1 to 3 inches and carry a mixed natural color, they hold their position under moving water better than sand or pea gravel and still read as an intentional design choice once they're set in place.
Contractors finishing new construction in the flatter parts of the city use the same material to grade around foundations and utility boxes, and as a clean border along walkways in place of formal edging.
Delivery and Lead Times in Kent
Order 3 to 7 tons and the truck typically arrives within 1 to 2 business days. Step up to 8 through 14 tons and delivery often moves to the same day or the next. Once an order reaches 15 tons, the delivery fee drops away completely on top of the faster turnaround. Actual timing still shifts with the season and how far a driver has to travel once the order reaches your ZIP code, and the delivery in Kent page has the current window for your address.
| Order size | Typical delivery |
|---|---|
| 3 to 7 tons | 1 to 2 business days |
| 8 to 14 tons | Same day or next day |
| 15 tons or more | Free delivery included |
Figuring Out How Much You Need
Decorative river rock beds usually run 2 to 3 inches deep, while a dry creek bed built to actually move water wants closer to 4 to 6 inches so the stones don't wash out from underneath during a heavy rain. A cubic yard of this material weighs in around 2,700 pounds, part of why tonnage, not volume, is the number that matters once you're ready to order. Because the total depends on both the square footage you're covering and the depth you choose, the fastest way to land on an accurate number is to run your measurements through the calculator, which converts your dimensions directly into tons.
What It Costs to Order in Kent
Smaller orders of 3 to 7 tons run $321 a ton. Move up to 8 through 14 tons and the rate steps down to $229 a ton. Once an order reaches 15 tons, the bulk rate of $198 a ton kicks in, and delivery is included at no extra charge. Each of these figures is a per ton price, never a per cubic yard one, since river rock is sold by weight rather than volume.
The delivered total you'll actually pay is set by your ZIP code on top of the per ton rate, so treat the numbers above as a starting point rather than a final total. Checkout confirms the exact price before you commit to anything.
Placing an Order
Enter your Kent ZIP code to see the delivered price update automatically, choose a tonnage that fits your project, and pick a delivery window that works for your schedule. Orders under 15 tons carry a delivery fee that's already folded into the total shown at checkout, so there's nothing else to add once you confirm the order.
About River Rock
About This Material
River rock is a naturally rounded, tumbled stone gathered rather than crushed, which is why it has none of the sharp edges you get from crushed gravel or crushed stone. The rock we deliver runs 1 to 3 inches across and comes in a mixed natural color, so a single load carries a blend of tan, gray, and rust tones rather than one flat shade.
Because it is sold by the ton and a cubic yard of it weighs in around 2,700 pounds, it sits on the heavier end of the decorative stone lineup, part of why it stays put in a drainage swale or a dry creek bed instead of floating away in moving water. Homeowners use it for ground cover, border edging, and water features, while contractors reach for it on drainage projects where a lighter material would wash out.
It pairs naturally with other bulk materials on a single property. A bed of river rock next to a run of Pea Gravel or a stretch of Mulch gives a yard visual contrast without extra maintenance, since none of these materials need mowing, watering, or yearly replacement the way a lawn does. Because the stone is inert, it also won't break down, fade, or attract the pests that mulch sometimes does.
What River Rock costs in Kent
Around Kent, river rock is quoted by the ton with delivery layered in based on distance from the closest yard. Send your ZIP and load size and we will send back a same-hour quote with the truck rate and the per-ton figure spelled out. Plan on roughly 80 sq ft of coverage per ton at 3 inches deep, which puts a single-car driveway in the 4 to 8 ton bracket.
How crews use River Rock in Kent
Kent contractors keep river rock on the order sheet for a short list of standard installs. Top of the list is decorative gravel, where the material is rolled out in tight urban lots and infill builds and screeded to grade. Right behind that is drainage gravel, common in dense neighborhoods where curb access is short and often paired with edging or fabric below the lift. Kent sits at about 136,588 residents, which means we see steady weekday traffic from landscape crews and weekend pickups from owner-builders.
Delivery day in Kent
Delivery in Kent runs out of the nearest pit; you get a two hour arrival window the evening prior and a call when the driver leaves the scale. Plan for 12 ft of clear path for a tandem and 14 ft for a tri-axle, plus a level area at the dump point so the bed lifts straight. Standard lead time on this lane is Mon-Sat, with same-day windows held open for orders that hit the desk before 11 AM and clear payment.
Related materials we deliver in Kent
Price by ZIP- Size1/4 - 3/8″
- Density2800 lb/yd³
- ColorTan / mixed
Price by ZIP- Size3/8″
- Density2800 lb/yd³
- ColorMixed earth
Price by ZIP- Size0 - 1/4″
- Density3000 lb/yd³
- ColorTan, gold
Estimate how much you need
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A planning figure, not a guarantee. Order roughly a tenth extra to cover settling and uneven ground.
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Common uses for River Rock in Kent
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Related guides
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GUIDEThe Different Types of Gravel and How to ChooseA plain-language guide to the main types of gravel, covering pea gravel, crushed stone, river rock and decomposed granite.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 →Frequently Asked Questions
Is river rock sold by the ton or the cubic yard in Kent?
River rock is charged per ton, not per cubic yard. A cubic yard of it weighs around 2,700 pounds, heavier than lighter organic materials like mulch that are priced by volume instead. Every price and every delivered quote you see for this material in Kent is a per ton figure, so when you're comparing costs, make sure you're comparing tons to tons rather than mixing in a cubic yard price from a different product.
How deep should a river rock bed be in Kent?
A standard decorative bed runs 2 to 3 inches deep, enough to cover the ground and suppress weeds without excessive tonnage. A dry creek bed meant to actually carry runoff during a storm needs more depth, typically 4 to 6 inches, so the stones stay in place once water starts moving through the channel. Deeper is not always better beyond that range, since it adds cost without much added benefit for most residential projects.
Does river rock work well in Kent's clay soil?
Yes. Kent's valley floor holds a lot of heavy clay that drains slowly, and river rock is one of the more effective ways to manage the standing water that results. Laid in a swale or a dry creek bed, it gives runoff a clear path away from a foundation or a low corner of the yard instead of letting it pool. The rounded shape and heavier weight of the stone also mean it holds its position better than lighter fill once water starts moving.
What size and color is the river rock delivered to Kent?
The material runs 1 to 3 inches across and ships in a mixed natural color, meaning a single load blends tan, gray, and rust tones rather than one uniform shade. That range makes it suitable for both fine detail work along a bed edge and larger drainage applications where bigger stones hold their ground better against moving water. Every load matches this same size and color range, so what arrives should look consistent with what's described here.
How much does delivery cost for a small order in Kent?
Smaller orders in the 3 to 7 ton range carry a delivery fee on top of the per ton price, and that fee shrinks as the order size grows. Once you reach 8 tons the fee drops further, and it disappears completely at 15 tons or more. Enter your ZIP code at checkout to see the exact delivery charge for your specific order size before you commit to anything.
Can I mix river rock with other materials in the same yard?
Yes, and it's common practice. River rock pairs well with materials like Pea Gravel or Mulch on the same property, giving a yard visual contrast between zones without adding extra maintenance, since none of these materials need mowing or seasonal replacement. Many Kent yards use river rock for drainage or accent areas while keeping mulch or gravel in planting beds and walkways elsewhere on the same lot.
How fast can I get river rock delivered in Kent?
Timing depends on your order size. A 3 to 7 ton order typically ships within 1 to 2 business days, while an 8 to 14 ton order often moves faster, arriving the same day or the next. Weather and driver routing can shift the exact day, so check the Kent delivery page after entering your ZIP code for the current estimate before you plan around a specific date.
Will river rock shift or wash away in heavy rain?
It holds up well compared to lighter materials. Because the stones run 1 to 3 inches and the material is heavier than sand or pea gravel, it stays in place inside a drainage swale or dry creek bed even during a hard Pacific Northwest storm. For channels expected to carry a lot of moving water, a deeper bed of 4 to 6 inches gives the stones more to grip and further reduces the chance of any shifting.