Retaining walls built for Coeur d'Alene's hillsides

How it works

1. Call or send a request

   Tell us your town and what you want to build or fix.

2. We connect you

   Your request goes to an independent wall builder who serves your area.

3. They call you back

   They visit, measure and give you a quote and schedule directly.

Who is this for?

Homeowners, builders and lakefront property owners around Coeur d'Alene who need to hold back a slope, level a yard, stop erosion or replace a wall that's failing. North Idaho lots are often steep, rocky or both, and a lot of the usable space on a hillside lot comes from walls. Getting the right builder matters, because a wall that's built without proper drainage or reinforcement can lean, bulge or collapse within a few winters.

What makes a retaining wall last in North Idaho?

Most failures come down to water and frost, not the blocks themselves. Snowmelt and spring rain saturate the soil behind a wall, and wet soil pushes much harder than dry soil. Freeze-thaw cycles then heave anything that isn't built on a well-compacted, free-draining base. A wall that lasts here usually has:

• A compacted gravel leveling pad set below the surface, not blocks laid on topsoil
• Drainage stone and a perforated pipe behind the wall, with an outlet that actually carries water away
• Geogrid reinforcement on taller walls, tying the wall back into the slope
• Setback or batter, so each course steps slightly into the hill
• Engineering for walls over 4 feet or walls holding up a driveway, parking area or building

Do I need a permit for a retaining wall in Coeur d'Alene?

The City of Coeur d'Alene exempts retaining walls up to 4 feet tall, measured from the bottom of the footing to the top of the wall, unless the wall supports a surcharge such as a driveway, a structure or a steep slope above it. Taller walls and walls supporting a surcharge need a building permit. Lots inside the city's Hillside Overlay Zone with an average slope of 15 percent or more face additional rules. Outside the city, Kootenai County requires a site disturbance permit for most grading and excavation. Our Kootenai County retaining wall guide covers the thresholds and links to the source codes.

Which material is right for my wall?

Segmental concrete block is the most common choice for residential walls because it's engineered to interlock, handles geogrid well and comes in many styles. Natural boulders suit the North Idaho look and work well for shorter walls and terraces. Poured concrete fits walls tied to foundations, driveways and tight spaces. A builder can tell you which fits your height, soil and budget after seeing the site.

What affects the price of a retaining wall?

• Height and length. Builders often price by the square foot of wall face, and taller walls need more reinforcement and base.
• Material. Block, boulder and poured concrete differ in material and labor.
• Access. Getting equipment and material onto a steep or tight lot takes time.
• Excavation and soil. Rock, clay or poor soil changes the dig and the base.
• Drainage and geogrid. Essential on most walls, and part of the cost.
• Engineering and permits. Required for taller walls and walls with a surcharge.
• Removing an old wall. Tearing out a failed timber or rock wall adds labor and hauling.

We don't quote prices ourselves. The builder you're connected with measures the site and gives you a written estimate.

When should I book?

Wall building in Kootenai County mostly happens between spring thaw and late fall, and good builders fill their calendars early. If you want a wall in by summer, start the conversation in winter or early spring, especially if the project needs engineering or a permit.

What should I ask a wall builder before hiring?

• What's your Idaho contractor registration number, and can I see proof of insurance?
• How will you drain the wall, and where does the water go?
• How deep is the base, and what's it made of?
• Will this wall use geogrid? How far back does it extend?
• Does this wall need engineering or a permit, and who handles it?
• Is removal of the old wall and cleanup included in the estimate?

Areas we cover

• Coeur d'Alene
• Post Falls
• Hayden
• Rathdrum
• Lakefront properties

Planning ahead? Read our Kootenai County retaining wall guide.