Setback Rules: 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
In unincorporated Sacramento County, required front, side, and rear yard setbacks depend on the property's zoning district and proposed use, and are set in the development standards tables of Zoning Code Chapter 5. Setbacks are measured perpendicularly from the lot line to the nearest part of the building.
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 | - |
| Setbacks vary by | - | Zoning district and proposed use |
| Where set | - | Chapter 5 development standards tables |
| Front yard measured | - | From back of sidewalk to main building |
| With PUPF easement | - | Measured from back of curb |
| Single-family standards | - | Section 5.4.2.C |
| Verify with | - | Planning - sacplan@saccounty.gov |
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 is the required setback for my house in unincorporated Sacramento County?
It depends on your zoning district and proposed use. The County sets front, side, and rear minimums in the development standards tables of Zoning Code Chapter 5, so look up your parcel's zone or ask Planning and Environmental Review for the exact numbers.
How is the front-yard setback measured?
Under Section 5.2.1, the front yard setback is measured perpendicularly from the nearest point of the front lot line at the back of the sidewalk to the nearest part of the main building. Where a PUPF easement exists, it is measured from the back of curb.
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