Overview
Defined in §10-20-102 (for municipalities) and §17-79-102 (for counties), a subdivision amendment is an amendment to a recorded subdivision plat processed in accordance with §10-20-811 and §17-79-711 of Utah State Code (as amended).
Subdivision amendment procedures allow local governments to review and approve changes to an existing subdivision while ensuring that property rights, public infrastructure, and community interests are protected.
A subdivision amendment may involve:
- Vacating all or a portion of a subdivision;
- Changing the number of lots within the subdivision;
- Altering a public right-of-way, public easement, or public infrastructure within the subdivision; or
- Altering a common area or other common amenity within the subdivision.
NOTE: A subdivision amendment does not include a simple boundary adjustment between properties.
Subdivision amendment procedures are periodically updated by the Utah Legislature to address changing development practices and property rights concerns. Recent amendments, including S.B. 104 (2025 General Session), revised notice requirements, added easement-preservation considerations, and clarified procedures for boundary-related changes.
Subdivision amendments and plat vacations are important planning tools because communities and development conditions are not static. Over time, ownership patterns change, infrastructure needs evolve, development plans are modified, and previously approved subdivision layouts may no longer reflect current circumstances or community goals.
A formal amendment process allows local governments to adapt recorded plats while ensuring that changes are reviewed for impacts on public access, utilities, transportation systems, surrounding properties, and shared community spaces. Without a clear process, changes to recorded subdivisions could create conflicts between property owners, disrupt public improvements, or unintentionally eliminate important rights-of-way or easements.
Content Contributors: Jones and DeMille Engineering, Inc, Hansen Planning Group, LLC / Rural Community Consultants
Special Note: This material was developed by civiclinQ for the Land Use Academy of Utah (LUAU). Funding for the development of this material was provided by through the Land Use Training Fund, which is administered by the Office of the Property Rights Ombudsman , utilizing a portion of the 1% surcharge on all building permits in the State of Utah.
The role of this organization in administering funding is primarily administrative and should not be viewed as legal advice. Always consult your legal representative when addressing land use activities.
Use the ‘Materials’ tab above to view related course materials, including printable pass-along card and PDF version of this online course.
