Skip to content

Encinitas · Building on your lot

Building on a hillside in Encinitas

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

Ask about building on a hillside in Encinitas See coverage

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

What Encinitas's code says

Encinitas code What Encinitas's code adds
Soils or geology report
  • You must submit a geological reconnaissance report.
    Applies: Applies to structures and improvements on areas steeper than 25% slope in the Hillside/Inland Bluff Overlay Zone.
    § 30.34.030 · code text
    Where structures and improvements are proposed within any areas of greater than 25% slope, a geological reconnaissance report shall also be submitted.
  • You must also submit a preliminary engineering geology report.
    Applies: Applies when the City Engineer finds unstable conditions are shown but not clearly defined in the geological reconnaissance report.
    § 30.34.030 · code text
    Where unstable conditions are indicated, but in the opinion of the City Engineer are not sufficiently defined in the geological reconnaissance report, a preliminary engineering geology report shall also be required.
Grading and retaining walls
  • You may build on up to 10% of the area with slopes of 25% or more.
    Applies: Hillside/Inland Bluff Overlay Zone, on parcels with 75% or less of their area in slopes of 25% or more.
    § 30.34.030 · code text
    75% or less | 10%
  • You may build on up to 12% of the area with slopes of 25% or more.
    Applies: Hillside/Inland Bluff Overlay Zone, on parcels with 76 - 80% of their area in slopes of 25% or more.
    § 30.34.030 · code text
    76 - 80% | 12%
  • You may build on up to 14% of the area with slopes of 25% or more.
    Applies: Hillside/Inland Bluff Overlay Zone, on parcels with 81 - 85% of their area in slopes of 25% or more.
    § 30.34.030 · code text
    81 - 85% | 14%
  • You may build on up to 16% of the area with slopes of 25% or more.
    Applies: Hillside/Inland Bluff Overlay Zone, on parcels with 86 - 90% of their area in slopes of 25% or more.
    § 30.34.030 · code text
    86 - 90% | 16%
  • You may build on up to 18% of the area with slopes of 25% or more.
    Applies: Hillside/Inland Bluff Overlay Zone, on parcels with 91 - 95% of their area in slopes of 25% or more.
    § 30.34.030 · code text
    91 - 95% | 18%
  • You may build on up to 20% of the area with slopes of 25% or more.
    Applies: Hillside/Inland Bluff Overlay Zone, on parcels with 96 - 100% of their area in slopes of 25% or more.
    § 30.34.030 · code text
    96 - 100% | 20%
  • Design review may allow building on up to 20% of the entire parcel.
    Applies: Hillside/Inland Bluff Overlay Zone, only where needed to keep a minimum right to develop an existing legal parcel.
    § 30.34.030 · code text
    a deviation in the encroachment allowance of up to 20% of the entire parcel may be granted through the design review process.
When hillside rules apply
  • Hillside/Inland Bluff Overlay Zone rules apply where 10% or more of a parcel is steeper than 25% slope.
    Applies: Applies within the Special Study Overlay Zone.
    § 30.34.030 · code text
    The Hillside/Inland Bluff Overlay Zone regulations shall apply to all areas within the Special Study Overlay Zone where site-specific analysis indicates that 10% or more of the area of a parcel of land exceeds 25% slope.
  • Slopes steeper than 25% must stay natural; building on them is allowed only when no feasible alternative exists.
    Applies: Applies in the Hillside/Inland Bluff Overlay Zone.
    § 30.34.030 · code text
    Where development is proposed on slopes of greater than 25% grade, the following standards shall apply:

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What extra rules apply to a hillside lot in Encinitas?

Encinitas's code: Hillside/Inland Bluff Overlay Zone rules apply where 10% or more of a parcel is steeper than 25% slope. (Applies within the Special Study Overlay Zone.) (§ 30.34.030); You may build on up to 10% of the area with slopes of 25% or more. (Hillside/Inland Bluff Overlay Zone, on parcels with 75% or less of their area in slopes of 25% or more.) (§ 30.34.030).

General information, not legal advice.

Ask about a specific Encinitas property

Ask GoCodebook how Encinitas's building on a hillside rules apply to your situation and get an answer that cites the section.

Ask your question

More on building on your lot in Encinitas

All building on your lot rules in Encinitas

RV and boat parking in Encinitas

Solar panels and EV chargers in Encinitas

Grading and erosion control in Encinitas

Noise and construction hours in Encinitas

Parking spaces required for homes in Encinitas

Signs on homes in Encinitas

Encinitas Municipal Code — full text