Retaining wall construction in Billings, MT - walls that stay where you put them
Soil sliding onto your patio or an old wall leaning out? We build retaining walls that hold the slope and move water away from it.
- Licensed and insured.
- Free quotes on site.
- We reply within 1 business day.
What goes into building a retaining wall in Billings?
The short answer: Retaining wall construction in Billings means building a wall that holds back a slope, along with the gravel and drain outlets behind it that let water out, so your yard stops creeping downhill and the wall stays standing.
Most people call us when a hillside keeps dumping mud on the patio or an old wall has started to lean, and the question is what it'll take to fix it for good. Price moves with the wall's height and length, the material you pick, how much old wall or dirt has to come out, and how much drainage the site needs. The schedule mostly turns on whether the city wants an engineer's stamped design and a permit before anyone digs, and on whether the ground is frozen. A lot of walls in Billings do need that design, and when yours does, we build from it. Your estimate gives you the figure for your own wall.
How do you know your slope needs a retaining wall?
Mud washing onto hard surfaces
After a good rain you find soil spread across the patio, the driveway or the walk. That usually means the slope is moving and nothing is holding it, and every storm takes a little more, so the fix gets bigger the longer it waits.
An old wall leaning out
The top tips forward or the face bulges in the middle. That's usually water and soil pushing from behind with nowhere to go, and a leaning wall doesn't straighten itself, so it's cheaper to deal with before it drops a load of dirt.
Soft, rotting timbers
Landscape timbers or railroad ties that crumble when you poke them are near the end of their run. They tend to give out one at a time and then all at once, usually right after you've planted something nice above them.
Water standing at the base
Puddles, wet stains or ice along the foot of the wall mean the water behind it isn't getting out the way it should. Trapped water adds pressure every season, so a wall that weeps in the wrong places is a wall that's working too hard.
How we handle retaining wall construction
I plan where the water goes before I plan how the wall looks, because water is what knocks walls over. I walk the slope, look at where the runoff comes from in a storm, and pick a spot it can drain to. Then we dig out, lay and pack a gravel base so the wall doesn't settle, and set the first course dead level, since every course above it copies its mistakes. As the wall goes up we run a perforated drain pipe along the back with outlets to open air, fill behind the wall with clean gravel and compact it in layers. We finish with the cap, grade the soil on top so surface water runs off, and clean up. If your wall calls for an engineer's design, we build from that design, depths and drainage included.
Not every old wall needs tearing out. If you've got a stone or brick wall that's sound underneath and just has tired joints, masonry restoration may be all it needs, and I'd rather tell you that than sell you a new one. Crumbling mortar is good at looking worse than it is. And when a new wall turns a slope into flat ground big enough to sit on, some folks start thinking about a fire out there, which is where our fireplace installation work comes in.
Interlocking concrete block
Stacked block with a built-in lean back into the slope suits most yard walls, because it goes up cleanly and leaves room for good drainage behind it. It's my usual pick for an ordinary backyard wall.
Poured concrete
Poured walls suit taller walls, tight spots and places right beside a driveway, and they're often what an engineer specifies. Forms and steel add cost, and the face is plain unless you pay for a finish.
Natural stone or boulders
Stone fits a yard that already looks natural and can handle a gentle grade nicely. It's heavy, so it needs room for a machine, and the price swings with the stone you choose.
Treated timber
Wood costs the least up front and suits a short garden edge you don't mind redoing. Wood rots, though, so for anything holding back real weight I steer people toward block or stone.
What happens when you call about a retaining wall in Billings?
From the first call to the last cap stone, here's how a wall job runs with us, who does what, and where the city fits in when your wall needs a design and a permit.
- Step 01
Call or send us a note
Call (406) 318-2106 or use the form and tell us roughly how tall the wall is and what it's holding back. We set a time for me to come out.
- Step 02
I look at the job
I walk the slope, check where the water runs and ask a few plain questions. Then I write your estimate myself, so you have a price for your wall before anything gets ordered.
- Step 03
We line up design and permit
If the city wants a stamped design and a permit for your wall, that gets done first, and we keep you posted on where it stands. Nobody digs until that's sorted.
- Step 04
We build and walk it
Our crew builds the wall, drainage and all. When it's done, we walk the finished job with you before we pack up.
Retaining wall rules and winters in Billings
Inside Billings city limits, the city requires a building permit for a retaining wall of any height that holds back a slope, or any wall four feet or taller, and the Planning Department reviews the site plan. Those same walls need a design from a Montana licensed engineer, stamped and signed, before the permit goes in. The city's own pages don't quite agree on height. Its permit FAQ lists walls over four feet, while its retaining wall page says four feet or more, so if your wall lands near that line, call the Planning Department at (406) 657-8247 before you settle on a height. If your lot sits outside city limits, the city says the State of Montana governs there and gives (406) 841-2056 for questions. Wherever the permit comes from, we help with the paperwork and can file it for you.
The city's design criteria put frost depth at 42 inches for foundations, which tells you how deep the cold gets here. Water left sitting behind a wall freezes, swells and shoves on it every winter, so clean, free-draining gravel matters as much as the block you see. We build for the same winters on jobs in Lockwood and Laurel.
Get a free on-site estimate for your retaining wall
Send the form and we'll reply within one business day to set a time for me to come out. I'll look at the slope, ask a few plain questions and give you a free estimate, with no obligation to book.
Why Billings homeowners call Stonecraft Billings Concrete and Masonry
The owner writes your estimate
I come out to look at your wall and write the estimate myself, and I'm usually on the crew when we build it. The person who priced the drainage is the one making sure it goes in right.
Licensed and insured in Montana
We're licensed and insured. Montana requires construction contractors to be licensed with the state Department of Labor & Industry, so it's a fair question to ask anyone you're comparing.
Only the work it needs
I opened this business in Billings in 2021 after years of hauling block on someone else's crew. If a wall needs repair and not replacement, that's what I'll tell you.
If something out back is leaning or washing away, ask us for an estimate and I'll come take a look.
Retaining wall questions from Billings homeowners
Do I need a permit to build a retaining wall in Billings?
Yes, inside city limits, if the wall holds back a slope or stands four feet or taller, as the permit section above explains. The city puts the permit on the owner, who can hand it to the contractor and should then make sure the contractor gets every permit and inspection approval. When you hire us for it, we can file it for you.
How much does a retaining wall cost in Billings, MT?
A retaining wall in Billings usually costs about $20 to $45 per square foot of wall face, which is the going rate in the area, not our price. Material makes the biggest swing, from boulders and stone to wood, poured concrete, interlocking block and railroad ties. One Billings price page leaves several things out of its poured concrete figure, such as removing an old wall, terraced walls, decorative concrete, extra height and curved designs, so expect those to add to it.
How long does a wood retaining wall last?
A pressure-treated lumber wall typically lasts 10 to 20 years before it rots significantly. If you go with wood, plan on replacing it somewhere in that span, which is why I usually suggest block or stone for a wall that holds back real weight.
What causes a retaining wall to fail?
Water pressure building up behind the wall is one of the leading causes, so the drainage matters as much as the wall itself. When you compare quotes, give the drainage plan as much attention as the wall. One block maker's guide also says heavy clays and organic soils shouldn't be used as backfill.
How do I check property lines and buried utilities before building a retaining wall?
The city says to hire a private surveyor to find your property lines, because city staff aren't allowed to survey private lines. Before anyone digs, the city also says to dial 811 or go to callbeforeyoudig.org to find out where underground utility lines run.
How long does it take to build a retaining wall in Billings?
Most of the waiting usually comes before the digging, while an engineer draws the design and the city reviews the permit for walls that need them. After that, wall size, access for equipment and frozen ground set the pace, and I'll tell you what your schedule hangs on when I look at the job.
Other masonry work that pairs with a new wall
Masonry restoration
An old stone or brick wall with loose, crumbling joints may only need careful restoration, which keeps the wall you have and usually costs less than starting over.
Fireplace installation
Once a new wall turns a slope into level ground, a fireplace can make that space usable on cool Billings evenings, and we build those too.
Get your retaining wall started right
Call (406) 318-2106 or use the form, and have the wall's height, whether it holds back a slope and whether you're inside city limits handy, so the first conversation covers the permit question too.