Driveway Rules: Altadena vs Downey
How do driveway rules rules compare between Altadena, CA and Downey, CA?
Altadena and Downey have similar restriction levels.
Altadena, CA
Los Angeles County
Altadena CSD requires 2 on-site parking spaces for 1–4 bedroom homes, 3 for 5–6 bedrooms, and 4+ for 7+ bedrooms. Where 3+ spaces are required, the extras may be uncovered and developed in tandem.
View full Altadena rules →Downey, CA
Los Angeles County
Driveway modifications in Downey require approval from Planning and possibly Engineering. Paving projects in the front yard area must meet development standards. Blocking the public sidewalk with parked vehicles is prohibited.
View full Downey rules →Key Facts Comparison
| Fact | Altadena | Downey |
|---|---|---|
| Code Section | Altadena CSD 22.306.070.A.5 | - |
| 1–4 BR Required | 2 spaces | - |
| 5–6 BR Required | 3 spaces | - |
| 7+ BR Required | 4 + 1 per 2 add'l BR | - |
| Tandem Allowed | Yes when 3+ required | - |
| Permit | - | Required for driveway modifications |
| Approval | - | Planning + Engineering review |
| Sidewalk | - | Cannot block with vehicles |
| Standards | - | Per zoning district requirements |
Highlighted rows indicate differences between cities.
Altadena FAQ
How many parking spaces does my Altadena home need?
2 spaces for 1–4 bedrooms, 3 for 5–6, 4 for 7+ — per Altadena CSD Section 22.306.070.A.5.
Downey FAQ
Can I park on my lawn or unpaved surface in Downey?
Driveway modifications in Downey require approval from Planning and possibly Engineering. Paving projects in the front yard area must meet development standards. Blocking the public sidewalk with parked vehicles is prohibited.
What driveway requirements apply in Downey?
Permit: Required for driveway modifications. Approval: Planning + Engineering review. Sidewalk: Cannot block with vehicles. Standards: Per zoning district requirements.
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