A comparable land sale was purchased by an adjoining owner completing an assemblage. How should the appraiser treat it?
Correct Answer
B) Consider whether the price included a plottage premium
Why this is correct: A sale to an adjoining owner for an assemblage may include a 'plottage' or 'assemblage' premium—an extra amount paid because the parcel has special value to that specific buyer for creating a larger, more valuable whole. The appraiser must analyze whether the price reflects this special buyer motivation before using it as a comparable for a typical market value assignment. Why the other choices are wrong: 'Use it directly, as it is a recent arm's length sale' is wrong; it may not reflect typical market value due to the special buyer. 'Exclude every sale involving an adjoining owner' is wrong; such sales can be used with analysis. 'Adjust it upward to reflect the assemblage benefit' is wrong; if a premium is present, you would adjust it downward for a typical sale. Exam tip: Sales for assemblage may reflect 'value in use' to a specific buyer, not general 'market value.' Look for a plottage premium.
Why This Is the Correct Answer
The correct step is to investigate whether the price reflects a plottage premium arising from the buyer's special position as the adjoining owner. That investigation is a conditions-of-sale analysis, and its outcome determines what happens next: if a premium is present and quantifiable, a downward adjustment is warranted; if the sale turns out to be at market despite the buyer's identity, it can be used as is. Framing the answer as 'consider whether' correctly makes the treatment depend on the findings rather than presuming them.
Why the Other Options Are Wrong
Option A: Use it directly, as it is a recent arm's length sale
The sale may be recent and voluntary, yet still fail the market value assumption of a typically motivated buyer. Arm's length means unrelated parties dealing independently, but it does not guarantee typical motivation, and a buyer who alone can capture the plottage increment is by definition not typical. Using it directly imports that special motivation into the value conclusion without disclosure.
Option C: Exclude every sale involving an adjoining owner
A blanket exclusion of every sale to an adjoining owner discards data that is often perfectly usable, since many adjoining-owner purchases are made at ordinary market prices. In thin land markets such sales may be a meaningful share of the available evidence. The correct posture is analysis, not categorical rejection.
Option D: Adjust it upward to reflect the assemblage benefit
Adjusting upward moves in exactly the wrong direction. If the price contains a plottage premium, it is already above what a typical buyer would pay, so any correction toward market value would be downward. This option is chosen by candidates who register that plottage adds value and then apply that fact to the adjustment sign without asking who paid the premium.
Assemble the Parts, Plot the Profit
Assemblage is the Action of combining parcels; Plottage is the Plus in value that may result. Then remember who gets the plus: the adjoining owner, which means that buyer may have paid extra, so any correction to market value goes down, not up.
How to use: Whenever a stem names the buyer as an adjoining owner, a tenant exercising an option, a government agency, or a lender disposing of an REO, treat it as a conditions-of-sale flag and look for the option that investigates rather than the one that accepts, rejects, or automatically adjusts.
Exam Tip
Assemblage is what you do, plottage is what you may get; keeping those straight prevents both the definitional trap and the wrong-direction adjustment trap in the same question.
Common Mistakes to Avoid
- -Treating any recent voluntary transfer as arm's length and therefore as evidence of market value
- -Confusing assemblage, the act of combining, with plottage, the resulting value increment
- -Adjusting an assemblage sale upward when a plottage premium calls for a downward correction
Concept Deep Dive
Analysis
This item tests the concepts of assemblage and plottage and the conditions-of-sale analysis they trigger. Assemblage is the act of combining adjoining parcels under one ownership; plottage is the increment of value that results when the combined parcel is worth more than the sum of its parts, typically because the larger site supports a higher and better use. An adjoining owner completing an assemblage is often a special-purpose buyer whose motivation is not typical of the general market, and such a buyer may rationally pay more than any other bidder because only that buyer captures the plottage increment. Market value assumes a typically motivated buyer, so a price containing a plottage premium may not indicate market value for a stand-alone parcel. The appraiser's obligation is to analyze the sale for that premium, not to assume it is present or to assume it is absent.
Background Knowledge
You need the definitions of assemblage and plottage and the difference between them, the market value assumption of a typically motivated buyer under no undue stimulus, and the conditions-of-sale element of comparison. You should also understand value in use to a specific buyer as distinct from market value, and know that plottage must be demonstrated rather than assumed.
Real-World Application
An appraiser valuing an infill lot finds a nearby sale where the buyer owned the parcel next door and immediately merged the two under one legal description to build a project that neither lot could support alone. Interviews with the broker confirm the buyer paid roughly 20% above other offers, so the appraiser either adjusts the sale downward or gives it minimal weight and documents why.
More Land/Site Questions
Under which condition is the land residual technique most applicable?
Why can the same physical parcel carry different values in two assignments?
In a built-up area where no vacant land has sold for years, which approach to site value is the usual fallback?
How is entrepreneurial profit treated in the subdivision development method?
A land comparable sold 18 months ago in a market rising about 4 percent a year. What adjustment direction applies?
Why does a developer's required profit rise for a longer subdivision project?
How does holding cost enter the valuation of land bought for future development?
Excess land is best described as land that has which characteristic?
Plottage value arises in which of the following situations?
Which of the following is an off-site improvement rather than a site improvement?
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