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Oakland · Building on your lot

Building on a hillside in Oakland

Oakland's own rules on building on a hillside, with the code text for every value.

Each rule below links to the section of the Oakland Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Oakland's code says

Oakland code What Oakland's code adds
Height on hillside lots
  • Walls of the main building may be no taller than 25 feet.
    Applies: RH-1 to RH-4 hillside zones, on lots with a footprint slope under 20%.
    § 17.13.050 · code text
    Maximum wall height primary building | 25 ft. | 25 ft. | 25 ft. | 25 ft.
  • Pitched roofs of the main building may be no taller than 30 feet.
    Applies: RH-1 to RH-4 hillside zones, on lots with a footprint slope under 20%.
    § 17.13.050 · code text
    Maximum pitched roof height primary building | 30 ft. | 30 ft. | 30 ft. | 30 ft.
  • Accessory structures may be no taller than 15 feet.
    Applies: RH-1 to RH-4 hillside zones, on lots with a footprint slope under 20%.
    § 17.13.050 · code text
    Maximum height for accessory structures | 15 ft. | 15 ft. | 15 ft. | 15 ft.
When hillside rules apply
  • Applies to lots with a footprint slope over 20%.
    Applies: In RH-1 to RH-4 hillside zones, these lots follow separate height limits.
    § 17.13.050 · code text
    Height Regulations for all Lots with a Footprint Slope of >20%

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What extra rules apply to a hillside lot in Oakland?

Oakland's code: Applies to lots with a footprint slope over 20%. (In RH-1 to RH-4 hillside zones, these lots follow separate height limits.) (§ 17.13.050); Walls of the main building may be no taller than 25 feet. (RH-1 to RH-4 hillside zones, on lots with a footprint slope under 20%.) (§ 17.13.050).

General information, not legal advice.

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