Los Angeles FAR & Zoning Calculator
Check Los Angeles floor area ratio, lot coverage and buildable envelope against the municipal zoning code and baseline density limits.
- R1 FAR
- 0.45
- Single-family
- R3 FAR
- 1.5
- Multi-family
- R4 FAR
- 3.0
- High density
Formula & Statutory Rule
Formula
FAR = total_floor_area / lot_area
Statutory Rule
R1 FAR = 0.45; R3 FAR = 1.5; R4 FAR = 3.0Regional Benchmark Reference
| Jurisdiction / Tier | Rate or Limit | Statutory Note |
|---|---|---|
| R1 | 0.45 | Single-family |
| R3 | 1.5 | Multi-family |
| R4 | 3.0 | High density |
Frequently Asked Questions
What is FAR in Los Angeles?
Floor area ratio is total floor area divided by lot area, set by the zoning code for each zone.
What is the R1 FAR?
The R1 single-family zone generally permits a floor area ratio of about 0.45.
How do I find my zone?
Use the Los Angeles ZIMAS zoning lookup with your parcel number to confirm the zone and its limits.
Do garages count toward FAR?
Enclosed garages count toward floor area; some accessory structures may be exempt.