About this compost

Finished screened compost, fully broken down and ready to work into beds. The general purpose choice for building soil that holds water and feeds roots.

Wonderful experience! They put the mulch exactly where we wanted. This mulch spread very easily and didn’t have the usual “mulch smell.” We will definitely use again!

One cubic yard of our compost covers about 324 square feet at a 1 inch depth, which is right for a lawn top dressing. For bed prep where you are tilling in 2 to 3 inches, plan on that same yard covering roughly 110 to 160 square feet depending on how deep you go. Measure your bed or lawn area first, then match it to the depth you actually need.

A yard is approximately 27 cubic feet. As a general guideline, one yard of material can cover an area of about 100-160 square feet at a 2-3 inch depth.

Riverside Compost Delivery

Riverside Compost Delivery

4.7
137 reviews
Regular price $60.00 per Yard
Regular price Sale price $60.00
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Why order through Mulch Mound

The best local compost, without the guesswork.

We hand-pick and partner with the best yards in your region, keep only the ones our buyers rate well, and back each load with our guarantee.

Mulch Mound Guarantee

If your compost isn't the quantity or quality you ordered, we'll make it right.

About this compost

Finished screened compost, fully broken down and ready to work into beds. The general purpose choice for building soil that holds water and feeds roots.

Wonderful experience! They put the mulch exactly where we wanted. This mulch spread very easily and didn’t have the usual “mulch smell.” We will definitely use again!

One cubic yard of our compost covers about 324 square feet at a 1 inch depth, which is right for a lawn top dressing. For bed prep where you are tilling in 2 to 3 inches, plan on that same yard covering roughly 110 to 160 square feet depending on how deep you go. Measure your bed or lawn area first, then match it to the depth you actually need.

A yard is approximately 27 cubic feet. As a general guideline, one yard of material can cover an area of about 100-160 square feet at a 2-3 inch depth.

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How It Works

Getting started is easy — just follow these simple steps

1

Choose your quantity

Adjust the quantity to match your project. One cubic yard covers about 100 to 160 square feet at a 2 to 3 inch depth.

2

Select your delivery date

Select a delivery date you'd like for the product to be dropped off at your home

3

Sit back and wait

Sit back, wait, and let us work our magic to make sure the highest quality product is delivered to your driveway.

From The Mouths of Riverside Folks

4.7
out of 5 based on 137 reviews
Google Reviews

Complete Your Outdoor Project

Compost pairs naturally with a mulch top layer once it is worked into beds, since the compost feeds the soil and the mulch on top holds moisture in against Riverside's dry heat. If you are renovating a lawn, a load of screened topsoil alongside your compost order can level low spots before the top dressing goes down. Some customers add a coarser soil amendment for heavy clay pockets that show up even in mostly sandy loam.

Mulch Mound Pro Tip

Sandy loam in Riverside drains so fast that compost worked in thin actually outperforms a heavy application. Till 2 to 3 inches into the top 6 to 8 inches of soil rather than piling it deep in one layer. Deep piles of finished compost can sit anaerobic at the bottom in our warm soil temps, which slows breakdown and can smell sour. Spreading it wider and mixing it in beats stacking it high every time.

Mulch Mound Pro Tip

A common mistake is topping lawns with more than an inch of compost thinking it speeds up recovery. It does not, and past that depth you risk smothering grass crowns or locking up nitrogen as the material keeps breaking down. One inch, raked in so it settles between blades, is the ceiling for a healthy top dress here.

Mulch Mound Pro Tip

If you are doing both a lawn top dress and bed renovation, order your full compost yardage in one delivery rather than splitting into two smaller orders. It is easier to stage a single pile near the driveway and wheelbarrow it out to different zones than to schedule multiple drops, and you avoid guessing short on either area.

Building Better Soil in Riverside

Riverside sits on sandy loam that drains fast, which is great for avoiding waterlogged roots but tough on nutrient retention through the long dry stretch between February and December's first frost. Compost worked into beds adds the organic matter that sandy soil is missing, giving roots something to hold onto besides grit. Around Mount Rubidoux and the older neighborhoods with mature landscaping, a fall or spring compost top dress keeps lawns and shrub beds from thinning out under zone 10a's heat. It is less about feeding plants directly and more about rebuilding the soil structure sandy loam never had.

What Finished Compost Is

Finished compost is organic matter that has fully broken down into a dark, crumbly material with an earthy smell. It feeds soil life, improves structure, and helps beds hold water without staying soggy.

How Much to Apply

Work 1 to 2 inches into new beds, or topdress lawns with a quarter to half inch and rake it in. More is not better. Too thick a layer can smother roots instead of feeding them.

When to Apply

Spring and fall are both good windows. Spring applications feed the growing season ahead, and fall applications break down over winter so beds are ready at first thaw.

Frequently Asked Questions

Click a question to see the answer

Answer

Is your compost finished enough to use right away or does it need to sit?

It is fully finished and stable when delivered, so you can spread it the same day. Finished compost will not burn plants or tie up nitrogen the way raw or unfinished material can. That said, work it in within a few days of delivery so it does not dry out and crust over in Riverside's low humidity.

Answer

How many cubic yards do I need for a 1000 square foot lawn?

At a 1 inch top dress, one cubic yard covers about 324 square feet, so a 1000 square foot lawn needs roughly 3 cubic yards. If you are tilling compost into a new bed at 2 to 3 inches instead, plan closer to 6 to 9 cubic yards for that same footprint.

Answer

When is the best time to apply compost in Riverside?

Spring and fall both work well here, before the summer heat stresses roots or before the mild winter growing window opens after last frost in late February. Avoid applying right before a heat spike since fresh compost dries out fast in exposed sandy loam. Either season is fine as long as you water it in after spreading.

Answer

Where will the compost be dropped and do I need to be home?

You choose the drop location at checkout, usually a driveway or curb area with clear access for our truck. You do not need to be home, but the spot needs to be reachable and free of parked cars or gate locks that would block the delivery.

Answer

Should I get compost or topsoil for my raised beds?

Compost adds organic matter and biological activity but is not a structural growing medium on its own, while topsoil provides bulk and body. Most raised beds do best with a blend of both, often topsoil as the base with compost mixed in at 20 to 30 percent. If you are just refreshing existing beds, compost alone is usually enough.

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