Setback Rules: Downey vs Lancaster
How do setback rules rules compare between Downey, CA and Lancaster, CA?
Downey and Lancaster have similar restriction levels.
Downey, CA
Los Angeles County
Downey building setbacks vary by zone. ADUs require 4 ft side/rear setbacks. Front setbacks established by Planning Commission where necessary. No building may encroach into required yards without approval.
View full Downey rules →Lancaster, CA
Los Angeles County
Lancaster zoning code requires minimum setback distances from property lines for all structures. Setbacks vary by zoning district and structure type.
View full Lancaster rules →Key Facts Comparison
| Fact | Downey | Lancaster |
|---|---|---|
| ADU Setback | 4 ft side and rear | - |
| Front Yard | Set by zone/Commission | - |
| Encroachment | Not allowed without approval | - |
| Nonconforming | Additions must conform | - |
| Front | - | 20 to 25 feet typical |
| Side | - | 5 to 10 feet typical |
| Rear | - | 15 to 20 feet typical |
| Variance | - | Zoning board hearing |
Highlighted rows indicate differences between cities.
Downey FAQ
How do I find my setback requirements?
Check Downey zoning map for your parcel’s zoning district, then consult the zoning code for that district’s setbacks.
Can I build closer than the setback?
Only with a variance approved by the zoning board or if your structure qualifies for an exception.
Lancaster FAQ
How do I find my setback requirements?
Check Lancaster zoning map for your parcel’s zoning district, then consult the zoning code for that district’s setbacks.
Can I build closer than the setback?
Only with a variance approved by the zoning board or if your structure qualifies for an exception.
Compare other topics
See how Downey and Lancaster compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool