Noted from – SQUARE FOOTAGE–METHOD FOR CALCULATING: ANSI Z DOWNLOAD A COPY, Click Here. To claim adherence to this standard, the . American National Standards Institute is a premier source for timely, relevant, actionable information on national, regional, international standards and. ANSI Z, Single-Family Residential Buildings – Square Footage – Method for Calculating, suggests measuring and multiplying the.
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As appraisers we analyze everything, including how the square footage of a property is measured and calculated. However, in a amsi residence there maybe common areas that would not be considered living areas, but part of the size of the structure.
So that is pretty simple, not tough at all.
ANSI looks at the outside dimensions, but also may “extract” a few areas in the interior and provides some additional guidance when it comes to unique properties. Detached Single-Family Finished Square Footage For detached single-family houses, the finished square footage of each level is the sum of finished areas on that level measured at floor level to the exterior finished surface of the outside walls.
Openings to the Floor Below Openings to the floor below cannot be included in the square footage calculation. However, the area of both stair treads and landings proceeding to the floor below is included in the finished area of the floor from which the stairs descend, not to exceed the area of the opening in the floor. Whoops, Lets read that one again: So while Fannie Mae guidelines would include open area such as the stair well and cathedral area over living room, in their determination of GLA, ANSI standards does not.
Square Footage – Method for Calculating: ANSI Z765 2012 Update Process
There is a simple reason for that: Since appraisers do not get in to inspect the interior of the comparables they can not determine open area from non-open z65.
Above- and Below-Grade Finished Areas The above-grade finished square footage of a house is the sum of finished areas on levels that are entirely above grade. The below-grade finished square footage of a house is the sum of finished areas on levels that are wholly or partly below grade. Any level that is ani below grade makes the entire area ineligible for being determined in GLA.
The appraiser may deviate from this approach if the style of the subject property or any of the comparables does z65 lend itself to such comparisons. However, in such instances, he or she must explain the reason for the deviation and clearly describe the comparisons that were made.
So as long as the appraiser can define consistent comparables with below grade and above grade areas, and they give reasonable cause, below grade areas can be included. Ceiling Height Requirements To be included in finished square footage calculations, finished areas must have a ceiling height of at least 7 feet 2.
ANSI and Fannie Mae Measuring Standards
Again, Fannie Mae differs because they are considered with the accuracy of an analysis not necessarily the particulars of a property.
That is not to say, if the appraiser is aware of an inconsistency or unique property, they are not to take it into consideration. Two Cape Anssi style homes – 24 feet wide with a full dormer on one side. The width on the second floor may be 20 feet. Four feet has been taken away from the width of the second floor to accommodate or meet the requirements that GLA is defined as a minimum of 5 feet.
Yet we know that some homes may have been finished off to accommodate 6 feet of living area, creating additional eve storage but reducing living area. In this particular situation, GLA would be different based on ANSI standards which would eliminate that area, and Fannie Aansi, which is based on the exterior measurements, would include this area.
The ANSI Z standard for calculating square footage. – Free Online Library
Again, how would an appraiser know if a anwi only had 18 feet wide living area on the anso floor if they had not inspected the interior of the comparable sale? The emphasis is on consistency for the purpose of estimating value then on ANSI standards that appears to be primarily concerned with walking space.
Finished Areas Connected to the House and Not Ansk to the Main House Finished areas qnsi are connected to the main body of the house by other finished areas such as hallways or stairways are included in the finished square footage of the floor that is at the same level. Finished areas that are not connected to the house in such a manner cannot be included in the finished square footage of any level.
Finished Areas Adjacent to Unfinished Areas Where finished and unfinished areas are adjacent on the same level, the finished square footage is calculated by measuring to the exterior edge or unfinished surface of any interior partition between the areas.
Assessors, Insurance Agents, Architects, Contractors and Mobile Home dealers all have different ways of measuring a property.
A prime example is assessors may measure a New England home as 1. It does get confusing for the asi. The best source is someone that knows the differences and understands what sales agent’s obligations are. However, in such instances, he or she must explain the reason for the deviation and clearly describe the comparisons that were made So as long as the appraiser can define consistent comparables with below grade and above grade areas, and they give reasonable cause, below grade areas can be included.