Grading and erosion control in Dublin: the local rules

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

What Dublin's code says

Dublin code What Dublin's code adds
Steepest cut or fill slope	No steeper than 2 horizontal to 1 vertical. Applies: Cut surfaces of permanent excavations. § 7.16.460 · code text The slope of cut surfaces of permanent excavations shall not be steeper than two horizontal to one vertical exclusive of terraces and exclusive of roundings described herein. Slopes steeper than 2 horizontal to 1 vertical may be permitted. Applies: Only in competent bedrock, when the slope follows the recommendations of the geotechnical or geological report. § 7.16.460 · code text Steeper slopes may be permitted in competent bedrock provided such slope inclinations are in accordance with recommendations contained in the geotechnical or geological report.
Grading without a permit	Permitted building excavations; minor cuts or fills under 5 feet deep removing under 10,000 square feet of vegetation. Applies: Excavations need a valid building permit; the vegetation limit applies on slopes of 10% or more; no unstable or erodible slopes. § 7.16.050 · code text Excavations in connection with a building, swimming pool, retaining wall, or other structure authorized by a valid building permit;

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Frequently asked questions

What are the grading rules in Dublin?

Dublin's code: Permitted building excavations; minor cuts or fills under 5 feet deep removing under 10,000 square feet of vegetation. (Excavations need a valid building permit; the vegetation limit applies on slopes of 10% or more; no unstable or erodible slopes.) (§ 7.16.050); No steeper than 2 horizontal to 1 vertical. (Cut surfaces of permanent excavations.) (§ 7.16.460).

General information, not legal advice.

Grading and erosion control in Dublin

What Dublin's code says

Who this affects

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