Concrete block trash enclosures serve as an essential feature for commercial properties. They shield unsightly dumpsters from view, reduce liability, prevent unauthorized use, and maintain a clean, organized exterior. When built properly, these enclosures function as durable, low-maintenance structures that elevate the look and professionalism of the entire property.
Contractors and property owners often focus on size and layout during planning. But the real difference comes down to the details—especially the type of block, finish, and whether the structure will be painted. These choices affect not only the final appearance but also how well the enclosure performs over time.
Let’s look at what matters when choosing and building a concrete block trash enclosure.

Concrete Masonry Units: The Standard for Trash Enclosures
CMU (Concrete Masonry Unit) blocks are the preferred material for trash enclosures. Their strength, affordability, and ability to withstand harsh environments make them ideal for commercial use. These blocks hold up against waste management equipment, weather cycles, and daily wear without requiring constant repairs.
CMU walls resist impact, pests, fire, and deterioration. With proper reinforcement and footing, they can last decades with minimal upkeep.
Smooth Face vs. Split Face Block
One of the first decisions to make involves block texture.
Smooth face block provides a flat, modern look. The surface appears clean and uniform, which pairs well with paint or sealant. Smooth block enclosures are often used for retail centers or office parks where visual polish matters.
Split face block offers a rougher, more textured appearance. This type has a rugged finish that hides minor imperfections well and doesn’t require paint. It suits industrial, storage, or multifamily environments where utility matters more than finish.
Each style has a distinct purpose. Smooth face blocks create a finished, crisp look. Split face blocks add texture, shadow, and visual variation. The choice depends on the design goals and surroundings of the site.

To Paint or Not to Paint?
Painting a CMU trash enclosure has functional and aesthetic value. In regions like the Pacific Northwest, where wet seasons dominate, painted enclosures stand up better to rain and grime. Paint acts as a layer of protection against the elements and graffiti.
A high-quality paint system resists water intrusion and makes graffiti cleanup much easier. When installed in high-traffic areas or along public streets, painted enclosures hold their appearance longer.
However, when an enclosure will remain unpainted, the execution must be flawless. Exposed CMU requires attention to detail throughout the entire process—from material sourcing to final cleanup.
Unpainted blockwork shows everything. Uneven mortar joints, chipped edges, or mismatched colors will stand out. That’s why clean work and tight tolerances matter more than ever with unfinished CMU walls.
Material Consistency: Why Batch Matters
Concrete blocks are produced in large batches, and slight differences in aggregate or curing conditions can result in color variation. This variation often goes unnoticed in structural applications, but it becomes highly visible in exposed trash enclosures.
A skilled mason knows to check every pallet. Blocks from different batches should not mix on a visible surface. Discoloration, patchy tones, or irregular finishes make the final product look careless. This mistake can’t be covered up once mortar sets.
Before starting the job, the crew should verify that the block supplier delivered matching product throughout. If anything looks off, substitutions must be made before installation begins.

How Much Does a Masonry Trash Enclosure Cost?
Commercial masonry jobs can vary depending on size, materials, site access, and complexity. Typically trash enclosures run from $10,000 – $20,000 labor and materials included in the cost.
All the masonry work is included in this cost above the concrete footer. For a concrete footer, a local concrete masonry is recommended.We can say this: a well-built masonry trash enclosure is a long-term investment that will outlast wood or metal counterparts, and reduce maintenance costs for years.
Common Features of a CMU Trash Enclosure
- Reinforced Concrete Pad
Supports dumpsters and prevents erosion. Proper slope allows for drainage and easy cleaning. - CMU Walls with Rebar and Grout Fill
Provides strength and stability. Keeps walls standing through impacts, weather, and constant use. - Heavy-Duty Metal Gates
Hinged or rolling gates allow easy truck access. Steel frames ensure strength and resistance to warping. - Drainage and Ventilation
Especially important for food-service businesses. Prevents moisture buildup and odor. - Security Options
Enclosures can include locks or barriers to keep unauthorized users out.
Proper Craftsmanship Elevates the Whole Structure
Trash enclosures may seem like simple box shapes, but they require precision. Uneven walls, sloppy mortar lines, and careless cleanup quickly degrade the look and function of the enclosure.
A clean masonry install makes a lasting difference. Every block should be set level, every joint finished neatly, and the layout should follow the site plan exactly. Proper drainage, rebar placement, and concrete fill provide long-term strength.
Good masons anticipate challenges like uneven grades, tight spaces, or limited access. They plan each step with efficiency and clarity, so the job progresses on time and without surprises.
Final Thoughts
CMU block trash enclosures offer unmatched durability, weather resistance, and code compliance. But the final result depends on the choices made at every step. Smooth face or split face? Painted or raw? Consistent color or patchwork appearance?
Paying attention to these small factors results in a big payoff. Enclosures stay clean, professional, and functional. Problems stay out of sight—and out of mind.
For commercial projects across Portland and Southwest Washington, David’s Stone builds trash enclosures that match your site needs, local codes, and long-term vision. Our block masonry crew delivers clean work, tight tolerances, and sharp finishes on every project.
Contact us for a quote!
Check out some more resources from David’s Stone:
- Choosing the Right CMU Block Trash Enclosure for Commercial PropertiesWhen planning a stone veneer project, one of the most important decisions is choosing between manufactured stone and natural stone. Both options have distinct advantages and drawbacks, and the right choice depends on your priorities, budget, and project requirements.
- CMU Block Trash Enclosures for Commercial PropertiesWhen planning a stone veneer project, one of the most important decisions is choosing between manufactured stone and natural stone. Both options have distinct advantages and drawbacks, and the right choice depends on your priorities, budget, and project requirements.
- Do You Need to Be Home for a Masonry Inspection? Here’s the TruthWhen planning a stone veneer project, one of the most important decisions is choosing between manufactured stone and natural stone. Both options have distinct advantages and drawbacks, and the right choice depends on your priorities, budget, and project requirements.


