Fences and walls in Suisun City: the local rules

Each rule below links to the section of the Suisun City Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Suisun City's code says

Suisun City code What Suisun City's code adds
Height anywhere on the lot	Combined height can be at most 10 feet. Applies: A fence or wall on top of a retaining wall, measured from the ground at the base of the retaining wall. § 18.34.040 · code text Where a fence or wall rests on a retaining wall, the overall combined height may not exceed ten feet, as measured from the ground level at the bottom of the retaining wall to the top of the fence or wall, as shown in Figure 18.34.01.
Front yard height	Solid fences can be at most 3 feet tall. Applies: Front yards in RL and RM zones. § 18.34.010 · code text Front yard \| 3 ft. max. if solid Fences can be at most 4 feet tall if at least 50% open. Applies: Front yards in RL and RM zones. § 18.34.010 · code text 4 ft. max if 50% or more open
Side and rear yard height	Fences, hedges and walls can be at most 6 feet tall. Applies: Side and rear yards behind the front setback line in any residential district. § 18.34.010 · code text The height of side and rear yard fences, hedges, or walls behind the front setback line in any residential district shall not exceed six feet. Fences can be at most 6 feet tall if set back 5 feet. Applies: Side yards other than interior side yards, in RL and RM zones. § 18.34.010 · code text Side yard \| 6 ft. max if 5 ft. setback provided Fences can be at most 3 feet tall. Applies: Within the 5-foot setback of side yards other than interior side yards, in RL and RM zones. § 18.34.010 · code text 3 ft. max. if within 5 ft. setback Fences can be at most 6 feet tall. Applies: Interior side yards in RL and RM zones. § 18.34.010 · code text 6 ft. max. on interior side yard Fences can be at most 6 feet tall. Applies: Rear yards in RL and RM zones. § 18.34.010 · code text Rear yard \| 6 ft. max. Fences can be at most 6 feet tall. Applies: Perimeter fences in RH1, RH2 and RMU zones. § 18.34.010 · code text RH1, RH2, 2 RMU \| Perimeter \| 6 ft. max.

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Frequently asked questions

How tall can a fence be in Suisun City?

In RL and RM zones, front-yard fences are limited to 3 feet if solid or 4 feet if at least 50% open.

Fences and walls in Suisun City

Key points

What Suisun City's code says

Who this affects

Frequently asked questions

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