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Large interlocking concrete blocks stacked into a retaining wall on a jobsite

Service-Disabled Veteran-Owned · American-Made · Shipped Nationwide

Concrete Retaining Wall Blocks, Shipped Nationwide by a Veteran-Owned Supplier

Our concrete retaining wall blocks are heavy, interlocking units for walls, storage bays and barriers. They stack without mortar, ship by the truckload to job sites across the U.S., and come from a team that answers its own phone.

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Most Retaining Walls Fail Because the Block Is Too Light for the Load

Soil pushes on a wall every day. Rain adds weight behind it, and the ground moves as seasons change. A wall that leans or splits can take a slope, a driveway or a foundation with it, and the repair usually costs more than building it right the first time.

A retaining wall needs three things: enough mass to resist that push, a connection between units that keeps courses aligned, and concrete strong enough to last through freeze and thaw. Thin landscape units and glued-together systems are not made for that work. Our blocks are.

Interlocking Concrete Blocks for Walls, Bins and Bulk Projects

We do not sell garden edging. Every block we supply is made to carry load: slopes, grade changes, material bins and infrastructure walls. Pick the line that matches the job.

Building a material bin or a site barrier? See concrete barrier and bin blocks. For heavy civil and flood work, see V-lock concrete blocks. To compare every size and weight in one table, open all products.

What Keeps a Block Wall Standing for Decades

A wall has to keep working long after the crew leaves. These four traits are why ours do.

Mass that resists soil pressure

Each unit's weight and shape spread the load across the wall, so pressure does not build up at one weak point and push it out of line.

Locks into place as you stack

Raised keys and matching grooves align every course. Crews spend less time shimming and checking, and long runs stay straight.

Works with proper drainage

Set on a good base with free-draining backfill, the wall lets water out instead of holding it, which keeps extra force off the face after every storm.

Made for freeze and thaw

Dense, high-strength concrete stands up to heat, cold and moisture year after year without crumbling at the edges.

Commercial retaining wall built from large concrete blocks

Fewer Crew Hours on Every Wall

Labor is usually the biggest line on a wall budget. Interlocking blocks cut it down.

Poured walls and mortared brick mean forms, mixing, setting and curing time. Every one of those steps adds hours and pushes back the next trade.

Our blocks arrive ready to set. A machine places each unit, the keys line it up, and the next course goes on top. There is nothing to wait on.

01

No mortar, glue or curing time

02

Fewer steps per course

03

Smaller crews on site

04

Scales from one wall to a full site

Shorter install time means lower labor cost and a schedule that holds.

Because blocks show up ready to use, the wall goes up when the crew is ready, not when the materials are.

Where Contractors Use Our Retaining Wall Blocks

One block system covers residential slopes, commercial sites and farm yards. The size you choose depends on wall height and load.

Slopes and grade changes

Hold back a hillside, create flat ground for a pad or road, or step a site into terraces without constant repairs.

Commercial and industrial sites

Parking lots, new developments and public works need walls that hold under steady load for years. These blocks are chosen where failure is not acceptable.

Farm and bulk storage

The same heavy units form bays and partitions for bulk materials, plus barriers around equipment.

  • Bulk material bins
  • Equipment barriers
  • Storage partitions

Landscape walls

Large homes and landscape projects get the same structure with a finished face.

  • Garden walls
  • Terraced yards
  • Outdoor living areas

Concrete Blocks for Sale, Delivered Nationwide

Good blocks only help if they arrive on time. We plan supply with the same care as the product.

Bulk and wholesale orders

Contractors, developers and commercial buyers order by the truckload for one large job or a string of them, from one supplier instead of several.

Delivery planned around your schedule

Most delays come from late or partial loads, not from the install. We set delivery windows before the truck leaves so the crew is not waiting.

Steady supply for big projects

Phased builds get the same block on every load, from the first truck to the last, so the wall stays consistent.

See what to send for a fast quote

Why Contractors and Project Managers Work With Us

Plenty of companies sell concrete blocks. Here is what you get when you call us.

01

Veteran-owned and run.

Detachment 5 Block is a service-disabled veteran-owned business. We treat every order like a mission with a deadline.

02

The same block on every load.

Blocks are made to tight tolerances and strength-tested, so what you specify on the first order is what shows up on the tenth.

03

A person on the phone.

Call 844-BLOCKS-5 and you reach someone who knows the product and can quote it. No call center, no ticket number.

Read our story and government registration details

How an Order Works

Four steps from first call to finished wall.

01

Tell us the job

Share wall length and height, block type and delivery address. You get a price for what the job needs.

02

Lock in the plan

We confirm quantities, the number of loads and delivery dates before anything ships.

03

Blocks arrive on site

Trucks come in the agreed window. Have a forklift or other lifting equipment ready to unload.

04

Set and stack

Place the first course on a level base and stack. The interlock keeps each course aligned without mortar.

Frequently asked questions

What are concrete retaining wall blocks used for?

They hold back soil, handle changes in grade and create usable flat ground. Common jobs include slope stabilization, erosion control, terraced landscapes, commercial and infrastructure walls, plus bulk storage bays on farms and industrial yards.

How strong are your retaining wall blocks?

Our large blocks are made from 2,500 to 4,000 PSI concrete depending on the mix, and our landscaping units are rated at 4,000+ PSI. Strength on paper matters, but so does the interlock, which spreads load across the whole wall.

Do I need mortar to build a block retaining wall?

No. The blocks interlock and are held in place by their own weight, so there is no mortar or adhesive. That saves labor and lets the wall flex slightly with ground movement instead of cracking.

Show all 8 questions
How long does a concrete block retaining wall last?

Decades, when it sits on a well-prepared base with good drainage. The blocks themselves are made to resist weather, moisture and freeze-thaw cycles.

What is the difference between retaining wall blocks and bricks?

Blocks are larger structural units made to carry load. Bricks are smaller and mostly decorative, and they usually need mortar and more labor. For structural or large walls, blocks are faster and more reliable.

Can these blocks be used on commercial or DOT projects?

Yes. They are used on commercial, industrial and infrastructure walls. For DOT or other engineered walls, have the project engineer review the specs for your site before ordering.

Do you sell wholesale concrete blocks?

Yes. We supply bulk and wholesale orders to contractors, developers and large projects, including multi-load orders for phased builds.

Do you ship nationwide?

Yes. We coordinate delivery to job sites across the United States and match each order to the closest production facility to keep freight costs down.

Ready to price your retaining wall?

Send the wall size, block type and delivery address, and we will reply with clear pricing.

Request a QuoteCall 844-BLOCKS-5