Home › Brick Retaining Walls
We design and build brick retaining walls in Boise, ID that control erosion and add structure to sloped yards. Our crew manages footing depth, drainage, and reinforcement so your wall stays straight and solid. From short garden terraces to taller landscape walls, we match the brick style to your home.
Superior Masonry Boise provides professional brick retaining walls throughout Boise, ID, and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (208) 567-0948 or request your free quote.
Brick retaining walls that fit Boise yards and foothills
Brick retaining walls do more than hold back soil. In Boise they also have to handle freeze-thaw cycles, irrigation run-off, and slope changes from the Bench to the foothills. At Superior Masonry Boise, we build brick retaining walls that are engineered for these local conditions and still look like they belong in your landscape.
When we come out to your property, we start by looking at the slope, soil type, drainage patterns, and nearby structures like patios, driveways, or foundations. A wall along the Boise Bench or a North End alley has very different needs from one along the river in Garden City or a new subdivision in Meridian. We factor in how much soil the wall has to hold, whether it will support a fence or parking area, and how water moves through the yard during spring melt and summer irrigation.
From there we talk through your goals. Some homeowners want a low brick garden wall that doubles as seating. Others need a tiered retaining system to carve out a flat backyard from a hillside lot. Our job is to blend structure and style so the wall feels like it belongs with your home, whether that means a traditional red brick look, a more modern blended color, or a design that matches existing brick on your house or entry.
How we design brick retaining walls that last in Boise
Designing a brick retaining wall is more than picking a brick color. It starts with structure. For walls over a certain height or ones that carry extra loads, we bring in engineered plans so the wall meets current codes and can pass inspection in Boise and Ada County.
First we determine wall height and thickness, then whether the system should be gravity-based, reinforced with geogrid, or built around a poured concrete core. In many Boise yards, particularly on steeper lots in the foothills or on the Bench, we recommend stepped or tiered walls. These break up height, improve drainage, and give you more usable planting or seating areas.
Next is water management. Clay pockets and compacted fill are common on newer lots, and they trap water behind a wall. To prevent push and cracking, we design a perforated drain line behind the wall, granular backfill, and a clear path for water to escape. This is critical in Boise because trapped water expands in winter freezes, which can bow or shift a poorly built wall.
Finally, we select brick and patterns. Some projects use structural units faced with brick, others use heavy-duty brick modules designed for retaining use. You can choose running bond, stacked patterns, or mixed-use walls where brick faces a structural concrete or block core. Corner details, caps, and steps are planned into the design from the start so the finished wall looks intentional rather than patched together.
Our step-by-step process for building brick retaining walls
Superior Masonry Boise follows a specific sequence for every brick retaining wall so that it stays straight, drains properly, and keeps its shape over time.
1. Site prep and layout: We mark the wall line, strip sod and organics, and dig down to undisturbed soil. For many Boise properties that means going below loose topsoil or old landscaping fill. We set our elevations to match existing patios, walkways, and lawn lines so the finished wall ties in smoothly.
2. Base preparation: We install a compacted gravel base, usually 4 to 8 inches thick depending on wall height and soil conditions. The gravel is compacted in thin lifts with a plate compactor so the wall will not settle. Getting this right is especially important in areas with irrigation or sprinkler overspray, which can soften the top layer of native soil.
3. Drainage installation: Before we set any brick, we lay in perforated drain pipe, wrap it in fabric where needed to prevent fines from clogging it, and connect it to a safe daylight point or drain basin. We then build up free-draining gravel behind the future wall area.
4. Structure and brickwork: For structural cores, we build or pour the main wall, then tie in brick veneer with wall ties, reinforcing steel, and bonding patterns. For structural brick modules, we set the first course perfectly level, then build upward with staggered joints, checking alignment and batter constantly. Mortar joints are tooled to shed water, and we pay special attention to corners and step transitions.
5. Backfill and compaction: We backfill behind the wall in layers, compacting as we go and keeping heavy equipment back from the fresh wall. This prevents the new structure from bowing outward.
6. Finishing details: Finally, we install caps, integrate steps or landings if they are part of the design, and clean any mortar residue from the brick face so the color comes through clearly.
Brick options, style choices, and what affects cost
The look and cost of a brick retaining wall in Boise depend on several specific choices. At Superior Masonry Boise, we walk you through the tradeoffs so you know where your money is going.
Wall type: A simple low garden wall that retains a foot or two of soil and does not carry vehicle loads will cost less than a tall structural wall that needs engineering and possibly a permit. Taller walls often require stepped tiers or geogrid reinforcement, which adds labor and materials but greatly improves safety and longevity.
Brick selection: Standard red or tan brick, produced in volume, tends to be more affordable than specialty colors or hand-made textures. If you want the wall to match an existing home façade, we source from local and regional suppliers and may order test samples so we can get as close as possible. Frost-resistant brick and mortar mixes suitable for Boise winters are non-negotiable if you want the wall to last.
Structure behind the brick: Some retaining walls use structural concrete block or poured concrete that is then faced with brick. Others use heavy-duty brick units engineered to act as both structure and finish. The first approach can provide more strength for very tall or heavily loaded walls, while the second can save on overall thickness in tighter yards.
Site conditions: Sloped access, tight spaces along alleys in the North End, or limited equipment access in mature neighborhoods can increase labor time. Poor soils or buried debris (common in older Boise lots that have been reworked over the decades) may require undercutting and replacing with compactable base.
Features and extras: Integrated steps, seating ledges, lighting conduits, or rail posts embedded into the wall all add to both usability and cost. We are upfront about these items during design so there are no surprises once the work begins.
Planning, permits, and timing for Boise brick retaining wall projects
Retaining walls are structural features, so they are treated differently than simple garden edging. In Boise and surrounding areas, walls above certain heights or that support driveways, parking, or structures may require engineering and permits. Superior Masonry Boise helps you sort out whether your brick retaining wall needs stamped plans or city review, and we coordinate with surveyors or engineers when required.
Timing matters in our climate. Excavation and base work go much more smoothly when the ground is not saturated or frozen. Spring and fall are often ideal for larger brick retaining wall projects, but we can work through summer heat by scheduling concrete and masonry work earlier in the day and monitoring curing carefully. Winter work can be done in some cases, but it may require cold-weather protection for mortar and concrete, which can affect schedule and budget.
Before you hire a contractor, ask how they handle drainage, what type of base they use, and whether they have experience with structural retaining walls, not just garden edging. Request to see local examples of their work and ask how those walls have held up through several Boise winters. A good brick retaining wall should stay plumb, show tight joints, and have no bulging or major cracking.
When you are ready to talk about your project, Superior Masonry Boise can meet you on-site, listen to how you want to use your space, and give you clear options and pricing for a brick retaining wall that fits your yard, budget, and long-term plans.
