Driveway Rules: Castro Valley vs Hayward
How do driveway rules rules compare between Castro Valley, CA and Hayward, CA?
Castro Valley and Hayward have similar restriction levels.
Castro Valley, CA
Alameda County
Alameda County unincorporated areas require driveways to be paved, maintain clear sight lines, and not block sidewalks or public right-of-way. Encroachment permits needed for new driveway approaches.
View full Castro Valley rules →Hayward, CA
Alameda County
Hayward driveways must be paved with concrete or asphalt, cannot block the sidewalk, and must be at least 9 feet wide for residential use. Encroachment permits apply for curb cut changes.
View full Hayward rules →Key Facts Comparison
| Fact | Castro Valley | Hayward |
|---|---|---|
| Permit Required | Encroachment permit for new or modified driveway approaches | - |
| Surface | Must be paved with approved material | - |
| Sidewalk Rule | Parked vehicles cannot block sidewalks | - |
| Contact | Public Works (510) 670-5480 | - |
| Surface required | - | Concrete, asphalt, pavers |
| Min width | - | 9 feet single-car |
| Sidewalk overhang | - | Prohibited |
| Curb cut | - | Encroachment permit required |
| Gate swing | - | Must not cross right-of-way |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Do I need a permit to repave my existing driveway?
In-kind resurfacing typically does not need a permit, but changes to the driveway approach at the street require an encroachment permit from Alameda County Public Works.
Can I park a vehicle that extends over the sidewalk?
No. California Vehicle Code and county rules prohibit blocking sidewalks, even on private driveways if the vehicle overhangs the public walkway.
Hayward FAQ
Can I pave my front yard for extra parking?
No, most residential zones limit front yard paving and require significant landscape coverage outside the driveway area.
Do I need a permit to widen my driveway?
Yes, widening requires both a building permit for the new paving and a Public Works encroachment permit for any curb cut modification.
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