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Clark County, WA Fence Regulations: Material Restrictions (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Permanent required
Wood, metal, brick, masonry
Chain link + slats
F1 partial standard only
Atop low walls
Chain link/wrought iron OK
On 4-ft wall
42-inch sight-obscuring fence
Code section
CCC 40.320.010(F)(4)(h)

Summary

Clark County requires screening fences to use permanent materials. Allowed materials include wood, metal, brick, and masonry; chain link with slats is allowed only for the partial (F1) standard, and non-sight-obscuring chain link or wrought iron is permitted atop low retaining walls.

These county ordinances apply to unincorporated areas of Clark County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Non-sight-obscuring fences such as chain link or wrought iron seven (7) feet high or less and sight-obscuring fences forty-two (42) inches high on top of retaining walls no greater than four (4) feet tall are allowed within setbacks per Figure 40.320.010-8.

Full Breakdown

Under CCC 40.320.010, both fence standards require permanent materials. The F1 partial standard permits wood, metal, chain link with slats, brick, masonry, or other permanent materials. The F2 full standard permits wood, metal, brick, masonry, or other permanent materials but excludes chain link with slats. Within setbacks atop retaining walls, CCC 40.320.010(F)(4)(h) allows non-sight-obscuring fences such as chain link or wrought iron seven feet or less, and sight-obscuring fences forty-two inches high, on top of retaining walls no greater than four feet tall. These material choices remain subject to the six-foot height cap and sight-distance requirements.

Violations & Fines

Screening fences using temporary or non-conforming materials must be brought up to the applicable F1 or F2 standard.

Frequently Asked Questions

Can I put a fence on top of my retaining wall?
Yes. Non-sight-obscuring chain link or wrought iron seven feet or less, or a 42-inch sight-obscuring fence, is allowed within setbacks atop retaining walls no greater than four feet tall.
Are temporary fence materials acceptable?
Required screening fences must use permanent materials such as wood, metal, brick, or masonry; the standards specify permanent materials, not temporary panels.

Sources & Official References

Other rules in Clark County

All Clark County rules

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