In many cases, yes, retaining walls in Kelowna and the Okanagan require permits, especially when they exceed certain heights or support additional loads.
Permitting rules vary by municipality, but misunderstanding them can lead to costly delays, redesigns, or even forced removal of completed work.
When a Retaining Wall Permit Is Typically Required
Permits are often required when:
- The wall exceeds a specific height threshold
- The wall supports a driveway, structure, or slope
- The wall is located near a property line
- The wall impacts drainage or neighboring properties
Because sloped lots are common in the Okanagan, retaining walls are often considered structural elements, not decorative features.
Engineering Requirements in the Okanagan
Many retaining walls require:
- Engineered drawings
- Soil and load assessments
- Proper drainage design
Walls that lack proper engineering frequently fail due to water pressure and soil movement. This is why poured concrete retaining wall foundations are commonly used for taller or load-bearing walls.
Differences Between Municipalities
Rules can differ between:
- City of Kelowna
- West Kelowna
- Lake Country
- Regional District of Central Okanagan (RDCO)
Always confirm requirements before construction begins, as enforcement can vary.
What Happens If a Wall Is Built Without a Permit?
Potential consequences include:
- Stop-work orders
- Mandatory engineering reviews
- Fines or penalties
- Costly reconstruction
These risks far outweigh the time required to confirm permit requirements upfront.
Planning Retaining Walls as Part of a Larger Project
Retaining walls are often installed before:
- Landscaping
- Driveways
- Concrete flatwork
When coordinated properly, they create a stable foundation for the rest of the project.
Frequently Asked Questions
What height retaining wall requires a permit in Kelowna?
Height thresholds vary, but walls over a certain height often require permits and engineering.
Do all retaining walls need engineering drawings?
Not all, but structural or load-bearing walls typically do.
Can a landscaper build a retaining wall without permits?
Permits are the homeowner’s responsibility, regardless of who builds the wall.
Is drainage required behind retaining walls?
Yes. Proper drainage is critical to long-term wall performance.
