MCC §20.08.190
Cut slopes
Read the official text at library.municode.com ↗This rule sets the steepest allowed slope for cuts (excavations) based on the type of soil or rock. The slope must be at least as flat as the listed ratio for each material. It does not cover other excavation rules.
contractorslandowners
The ordinance, as written (Maui County) — Cut slopes
A copy, taken August 21, 2026. The version published by Maui County is the one that governs, and it may have changed since. Check it before relying on anything here.
Under the following soil conditions, no cut may be steeper in slope than the ratio
of its horizontal to its vertical distance as shown below:
A.
One fourth horizontal to one vertical in rock;
B.
One half horizontal to one vertical in mud rock or decomposed rock;
C.
One horizontal to one vertical in rock and clay mixture;
D.
One and one half horizontal to one vertical in sandy and clayey soils.
(Ord. 816 § 1 (part), 1975: prior code § 24-3.1(b))
Read the official text at library.municode.com ↗as published Nov 21, 2025our copy taken Aug 21, 2026
Published by the County of Maui through Municode.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.