Knowing the Guidelines Solves the Mystery
In essence, these important guidelines help appraisers put a fair market value on homes based on comparable sales in the same area, and the home must be bracketed in size and value.
For example, there is no set dollar figure associated with a great view, pool, spa, bathroom upgrades, etc. If a homeowner installs a custom pool that cost them $30,000, but the local marketplace supports the value of a pool at $15,000, then that item will be bracketed as [$15,000] on the appraisal.
Upgrades can usually be expressed at a higher percentage of their value in newer homes because the only way to obtain those upgrades was to put more money into the cost of building the home. On the other hand, the upgrading or remodeling of an older home is rarely reflected in full in the final appraisal. This is because typically 25-40% of the project involves demolition and the fixing of issues that aren't uncovered until the project has already begun, such as plumbing or wiring that may need updating.
Ultimately, the value of the upgrades must be supported by comparable examples within the same marketplace. These comparisons must be drawn from current market activity within the last six months. This is a safeguard to prevent appraisers from attaching too high a value to the home in question, and opening up the appraisal for review. This guideline further states that appraisers can only base their opinion on the value of home sales that have actually closed.
As a loan professional, I make a point to follow the appropriate guidelines at all times, including the guidelines in the Home Valuation Code of Conduct, which among other things prohibits a lender from having any contact with or influence on how the appraiser values a home. Staying up-to-date on the rules of my industry promotes a good relationship with the lender, and helps to create easier and much smoother closings for my borrowers.