Folsom vs Isleton
How do setback rules rules compare between Folsom, CA and Isleton, CA?
Folsom and Isleton have similar restriction levels.
Folsom, CA
Sacramento County
Folsom residential setbacks are established in FMC Title 17 zoning code. Typical single-family R-1 requires 20-foot front, 5-foot side, and 15-foot rear setbacks. ADUs benefit from reduced 4-foot setbacks per Gov Code §65852.2.
View full Folsom rules →Isleton, CA
Sacramento County
Sacramento County Zoning Code (Title 3) sets residential setbacks by zone. Typical RD-5 standards: 20 ft front, 5 ft side, 15 ft rear. Agricultural and rural residential zones require greater setbacks. ADUs benefit from state-mandated 4 ft side/rear setbacks under Gov Code 65852.2 regardless of underlying zone.
View full Isleton rules →Key Facts Comparison
| Fact | Folsom | Isleton |
|---|---|---|
| Front (R-1) | 20 feet typical | - |
| Side (R-1) | 5 feet interior | - |
| Rear (R-1) | 15 feet typical | - |
| ADU setbacks | 4 ft side/rear (state) | - |
| PUDs | May differ | - |
| Code | - | Zoning Title 3 |
| Typical SFR | - | 20 ft front / 5 ft side / 15 ft rear |
| Rural | - | 40-50 ft front typical |
| ADU | - | 4 ft side/rear (state) |
| Variance | - | Planning Commission |
Highlighted rows indicate differences between cities.
Folsom FAQ
What is the setback for an ADU in Folsom?
State law (Gov. Code §65852.2) caps ADU side and rear setbacks at 4 feet. Folsom cannot require more. Front setbacks still follow the underlying zoning.
Who enforces this in Folsom?
Folsom code enforcement at (916) 355-7285 handles most complaints.
Isleton FAQ
What are setbacks for my lot?
Check your zoning designation on the Sacramento County online parcel viewer and reference Title 3. Most suburban single-family lots use 20/5/15 ft setbacks.
Do ADU setbacks follow my zone?
No. State law (Gov Code 65852.2) caps ADU side and rear setbacks at 4 feet regardless of your zoning.
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