About this fill dirt

Screened fill dirt free of debris, for raising low ground and backfilling. Structural material, place it in lifts and compact as you go.

We had a great experience with mulch mound! Our mulch arrived when we requested. The delivery fee was so reasonable. We’ll use them again for sure!

One cubic yard covers about 54 square feet at a 6 inch depth, which is the shallow end of a typical fill job. Most structural fill goes down 6 to 12 inches, so a 200 square foot low spot at 8 inches deep runs somewhere around 5 cubic yards. Measure the full area you are raising and figure the depth in inches before you order, since fill dirt is heavy and you want the count right the first time.

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.

Tucson Fill Dirt Delivery

Tucson Fill Dirt Delivery

4.7
137 reviews
Regular price $38.00 per Yard
Regular price Sale price $38.00
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Why order through Mulch Mound

The best local fill dirt, 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 fill dirt isn't the quantity or quality you ordered, we'll make it right.

About this fill dirt

Screened fill dirt free of debris, for raising low ground and backfilling. Structural material, place it in lifts and compact as you go.

We had a great experience with mulch mound! Our mulch arrived when we requested. The delivery fee was so reasonable. We’ll use them again for sure!

One cubic yard covers about 54 square feet at a 6 inch depth, which is the shallow end of a typical fill job. Most structural fill goes down 6 to 12 inches, so a 200 square foot low spot at 8 inches deep runs somewhere around 5 cubic yards. Measure the full area you are raising and figure the depth in inches before you order, since fill dirt is heavy and you want the count right the first time.

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 Tucson Folks

4.7
out of 5 based on 137 reviews
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Complete Your Outdoor Project

Most fill jobs finish with a cap of topsoil once the structural depth is set, especially if grass, shrubs, or a garden bed is going in on top. If the finished grade needs to shed water toward a drain or away from a foundation, a layer of decomposed granite or gravel over the compacted fill gives a clean, walkable surface that matches the desert look common around Tucson yards.

Mulch Mound Pro Tip

Do not dump fill dirt into a low spot in one pass and call it done. Spread it in lifts of 6 to 8 inches and compact each layer before adding the next, especially over Tucson's caliche, which does not settle evenly on its own. Skipping this step is the number one reason people end up with a sunken patch near a foundation or patio a year or two later, once monsoon rains work their way through the loose material.

Mulch Mound Pro Tip

Fill dirt is not a growing medium, it is subsoil, so nothing will thrive planted directly into it. If the finished area needs grass, shrubs, or a garden bed, cap the compacted fill with 4 to 6 inches of real topsoil before planting. Skipping the topsoil cap is a common mistake that leads to stunted plants and poor drainage, especially in Tucson's already lean, alkaline native soil.

Mulch Mound Pro Tip

If you are filling a large low spot or building up grade across most of a yard, order the full amount in one delivery rather than several smaller loads. It is more efficient to compact in stages from one big pile than to schedule repeat deliveries, and having material staged on site lets you work at your own pace through the lifts without waiting on another truck.

Grading and Filling in Tucson

Tucson sits on sandy caliche, a hardpan layer that does not drain or compact the way a contractor might expect coming from somewhere else. When you are raising grade around a foundation or filling a low area that collects runoff during the summer monsoon, you need a fill that compacts predictably in lifts rather than settling unevenly over the caliche below. This fill dirt is subsoil, not topsoil, so it is meant to do structural work first, with planting layers added on top later. Around Saguaro National Park and the surrounding foothill neighborhoods, a lot of lots have uneven natural grade, and fill dirt is how people square that up before building anything else on it.

What Clean Fill Is

Clean fill is screened subsoil free of debris, roots, and contaminants. It is made for volume and grade, and it compacts predictably, which is exactly what you want under slabs, in trenches, and behind walls.

Fill Dirt vs Topsoil

Fill dirt builds the shape of the ground, topsoil grows things on top of it. Bring the grade up with fill, then cap it with 4 to 6 inches of topsoil anywhere grass or plants are going in.

Compact in Lifts

Place fill in layers of 4 to 6 inches and compact each one before adding the next. Dumping the full depth at once leaves voids that settle later, and settling is the one problem fill is supposed to solve.

Frequently Asked Questions

Click a question to see the answer

Answer

Can I plant grass or a garden directly in fill dirt?

No, fill dirt is subsoil meant for structural work, not for growing anything. Cap it with 4 to 6 inches of topsoil once you have reached your finished grade, then plant into that layer. Planting directly into raw fill usually results in poor drainage and weak root growth, especially in Tucson's already thin native soil.

Answer

How many cubic yards do I need to fill a low spot in my yard?

One cubic yard covers about 54 square feet at 6 inches deep. Measure your area and multiply by your target depth in feet to get cubic feet, then divide by 27 for cubic yards. A 300 square foot area at 8 inches deep runs close to 7.5 cubic yards, so it helps to round up slightly for compaction loss.

Answer

Do I need to compact fill dirt as I go, or can I do it all at once?

Compact in lifts of 6 to 8 inches rather than filling the whole depth at once. Over Tucson's caliche subsoil, uncompacted fill will keep settling for years, especially after monsoon rains soak through it. A plate compactor rented for a day handles most residential jobs, and each lift should be firm underfoot before you add the next.

Answer

Where will the truck place the fill dirt on delivery day?

The driver places the load wherever you direct on your property, typically a driveway or curbside area the truck can access without crossing walls, septic lines, or soft landscaping. Delivery is scheduled at checkout, and it helps to have that drop spot clear and marked ahead of time so the load lands exactly where you need it for the job.

Answer

Is fill dirt the same as topsoil, and can I use either one for my project?

No, they serve different purposes. Fill dirt is subsoil for raising grade and structural backfill, while topsoil is a growing medium with organic content. For most jobs around Tucson, you build up with fill dirt first, compact it in lifts, then cap the finished grade with topsoil if anything needs to grow there.

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