Selling Guide

The Selling Guide is organized into parts that reflect how lenders generally categorize various aspects of their business relationship with Fannie Mae. To begin browsing, select from any of the sections below. You may also download the entire Selling Guide in PDF format.

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B4-1.3-10, Cost and Income Approach to Value (04/15/2014)

Introduction

This topic contains information on reviewing the cost approach and the income approach, including:

 

Cost Approach to Value

Fannie Mae does not require the cost approach to value except for the valuation of manufactured homes. However, USPAP requires the appraiser to develop and report the result of any approach to value that is necessary for credible assignment results. For example, when appraising proposed or newly constructed properties, if the appraiser believes the cost approach is necessary for credible assignment results, then the cost approach must be provided. Appraisals that rely solely on the cost approach as an indicator of market value are not acceptable.

The cost approach to value assumes that a potential purchaser will consider building a substitute residence that has the same use as the property being appraised. This approach, then, measures value as a cost of production. It may be appropriate to use the cost approach when appraising new or proposed construction, property that is undergoing renovation, unique property, or property that features functional depreciation, to support the sales comparison approach analysis. The reliability of the cost approach depends on valid reproduction cost estimates, proper depreciation estimates, and accurate site values.

If the appraiser has completed the cost approach, the lender must thoroughly review the information provided to confirm that the appraiser’s analysis and comments for the cost approach to value are consistent with comments and adjustments mentioned elsewhere in the appraisal report. For example, if the neighborhood or site description reveals that the property backs up to a shopping center, lenders should expect to see an amount indicated for external depreciation in the cost approach. Or, if the improvement analysis indicates that it is necessary to go through one bedroom to get to another bedroom, lenders should expect to see an amount indicated for functional depreciation.

 

Income Approach to Value

The income approach to value is based on the assumption that market value is related to the market rent or income that a property can be expected to earn. The income approach to value is required in the valuation of two-unit to four-unit properties and may be appropriate in neighborhoods that consist of one-unit properties when there is a substantial rental market. The income approach to value may not be appropriate in areas that consist mostly of owner-occupied properties because adequate rental data does not exist for those areas. However, USPAP requires the appraiser to develop and report the result of any approach to value that is necessary for credible assignment results. If the appraiser believes the income approach is necessary for credible assignment results, then the income approach must be included. Appraisals that rely solely on the income approach as an indicator of market value are not acceptable.

When the income approach to value is used, the appraisal report must include the supporting comparable rental and sales data, and the calculations used to determine the gross rent multiplier. If the appraiser has completed the income approach, the lender must thoroughly review the information provided to confirm that the appraiser’s analysis and comments for the income approach are consistent with comments mentioned elsewhere in the report.

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