Edmond, OK Fence Regulations: Retaining Walls (2026)
Key Facts
- Height trigger
- over 24 in., lateral load
- Fill trigger
- over 48 in. unbalanced fill
- Safety factor required
- 1.5 vs overturning/sliding
- Residential permit fee
- $75
- Plans must be
- sealed by OK engineer
Summary
Edmond requires engineered, sealed plans for retaining walls over 24 inches that resist lateral loads, or over 48 inches of unbalanced fill, with a 1.5 safety factor against overturning.
Retaining walls that are not laterally supported at the top and that retain in excess of 48 inches (1219 mm) of unbalanced fill, or retaining walls exceeding 24 inches (610 mm) in height that resist lateral loads in addition to soil, shall be designed in accordance with accepted engineering practice to ensure stability against overturning, sliding, excessive foundation pressure, and water uplift. Plans for retaining walls shall be prepared, signed and sealed by a design professional licensed in the State of Oklahoma.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 39).
Full Breakdown
Section 16.06.560 amends IRC R404.4 for Edmond: any retaining wall without lateral support at the top that holds back more than 48 inches of unbalanced fill, or any wall over 24 inches tall resisting lateral loads beyond plain soil, has to be engineered to a 1.5 safety factor against overturning and sliding. Plans must be prepared, signed, and sealed by an Oklahoma-licensed design professional. A residential retaining wall permit runs $75; the commercial version is $100 under the companion fee schedule.
Violations & Fines
Building a wall that crosses the 24-inch or 48-inch-of-fill threshold without an engineer-sealed plan and permit can be red-tagged and require retroactive engineering before it's approved.
Frequently Asked Questions
Does my retaining wall need an engineer in Edmond?
What's the permit fee for a residential retaining wall?
Sources & Official References
Other rules in Edmond
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Retaining Walls in Nearby Cities
How other cities in this county handle retaining walls.