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Property DescriptionMEDIUM11.8% of exam

Two attached townhomes share a single wall standing on the boundary line between them. That wall is called a:

Correct Answer

A) Party wall

A party wall is a wall on or along a boundary that is shared by two adjoining properties. Rights to use, maintain and alter it depend on the deeds, any party-wall agreement and state law. A curtain wall is a non-load-bearing exterior wall, a partition divides space within one building, and a retaining wall holds back soil.

Answer Options
A
Party wall
B
Curtain wall
C
Bearing partition
D
Retaining wall

Why This Is the Correct Answer

Option A is correct because a party wall is a wall on or along a boundary that is shared by two adjoining properties. Attached townhomes commonly share such walls. Rights to use, maintain and alter the wall depend on the deeds, any party-wall agreement and applicable law.

Why the Other Options Are Wrong

Option B: Curtain wall

Option B, a curtain wall, is a non-load-bearing exterior wall hung on a building frame. It is not a shared wall on a property line between two homes.

Option C: Bearing partition

Option C, a bearing partition, is an interior wall that divides space within one building and carries loads. It is not defined by sitting on a boundary between two properties.

Option D: Retaining wall

Option D, a retaining wall, is built to hold back soil. It does not describe a shared wall between attached townhomes.

Two parties, one wall

A party wall has two parties, the owners on either side, sharing one wall on the line between them.

How to use: Use this phrase when a question describes a wall shared by neighboring owners.

Exam Tip

Look for the word shared or the phrase boundary line; those point to a party wall. Curtain, partition and retaining walls are defined by other functions.

Common Mistakes to Avoid

  • -Confusing a party wall with a curtain wall
  • -Assuming any interior partition is a party wall

Concept Deep Dive

Analysis

This question tests wall-type vocabulary. A single wall on the boundary line shared by two adjoining properties is a party wall. The other options describe walls defined by different functions: exterior cladding, interior division or holding back soil.

Background Knowledge

Party walls are common in townhomes, row houses and some commercial buildings. Because two owners share the wall, maintenance and alteration rights are often addressed in deeds, agreements or governing documents. Appraisers note shared walls because they affect property type and comparability.

Real-World Application

An appraiser values an end-unit townhome that shares one party wall with its neighbor. She selects comparables that are also end units with one shared wall rather than interior units with two.

party walltownhomeshared wallboundary lineattached housing
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