A property-law concept defining rights, interests, or restrictions relating to land or personal property. It determines how interests are created, transferred, recorded, enforced, or limited through security interests and use restrictions where applicable. It does not confer rights beyond the described property interest and does not override valid superior interests or encumbrances. It structures ownership, possession, use, and financing and is central to dispute resolution over entitlements and remedies. The concept is generally stable, though recording systems, land-use regulation, and financing practices may evolve over time.

Principle

The core rule is that where conveyance would otherwise deprive a parcel of practical access, equity imputes a necessary easement to ensure the reasonable use and enjoyment of the dominant parcel at the time of severance.

Demonstration

A subdivided lot is split so the rear parcel has no road access; courts may impose an easement by necessity over the front parcel to permit ingress and egress.

Misapplication

Imposing necessity where reasonable alternative access exists (e.g., a passable rural route or municipal right‑of‑way), which improperly burdens land when the hardship is hypothetical or avoidable.

Consequence

Properly applied, the easement ensures continuous access for the landlocked owner but is typically limited in scope to what is necessary and may terminate if circumstances change to provide reasonable access.

Reversal

The opposite is that no easement exists and the landlocked parcel remains responsible for obtaining its own access; reversing an easement by necessity removes rights that equity adopted to prevent unreasonable isolation.

Boundary

Applies only when unity of title was severed and access is truly indispensable at the time of severance; does not cover conveniences, recreational uses, or post‑severance changes that create new access needs.

Semantic Tension

Close to implied grants or quasi‑easements created by prior use, but tension lies in temporal focus (necessity at severance) versus long‑standing use or express implication, affecting duration and remedy scope.

Synthesis

Easement by necessity is an equitable, narrow right implied when a conveyance leaves land without reasonable access: a court‑recognized way limited to what is essential to restore practical ingress and egress until alternative access arises.