The sales comparison approach is based primarily on the principle of substitution. This approach assumes a prudent (or rational) individual will pay no more for a property than it would cost to purchase a comparable substitute property. The approach recognizes that a typical buyer will compare asking prices and seek to purchase the property that meets his or her wants and needs for the lowest cost. In developing the sales comparison approach, the appraiser attempts to interpret and measure the actions of parties involved in the marketplace, including buyers, sellers, and investors.

The cost approach was once called the summation approach. The theory is that the value of a property can be estimated by summing the land value and the depreciated value of any improvements. The value of the improvements is often referred to by the abbreviation RCNLD (for "reproduction/replacement cost new less depreciation"). Reproduction refers to reproducing an exact replica; replacement cost refers to the cost of building a house or other improvement which has the same utility, but using modern design, workmanship and materials. In practice, appraisers almost always use replacement cost and then deduct a factor for any functional dis-utility associated with the age of the subject property. An exception to the general rule of using the replacement cost is for some insurance value appraisals. In those cases, reproduction of the exact asset after a destructive event like a fire is the goal.


Two things have been artificially sustaining the market, says Chris McCarty, director of the University of Florida Bureau of Economic and Business Research, the Federal Reserve’s infusion of cash to lift the country out of the last recession and the 2018 tax cut. Both actions put a lot of money back into the economy. The Fed is starting to raise interest rates, he says, and the tax cut boost is temporary.  
The National Association of Appraisers (NAA) was formed with a purpose of uniting those engaged in the appraisal profession for the purpose of exerting a beneficial influence upon the profession and to advocate appraiser interests. The NAA has established an advisory group consisting of leadership at the state organizations and coalitions called the Board of Governors where those states can help guide the NAA in acting in the best interest of all appraisers. The NAA also has a designated membership, MNAA (Member of the National Association of Appraisers, who is an individual who holds an appraisal license, certification or similar appraisal credential issued by a governmental agency; and who accepts the membership requirements and objectives of the National Association of Appraisers.
"What is my house worth?"  These real estate appraisers can answer that and much more all over Pinellas County.  Whether it is appraising your home for a property tax appeal if your property taxes are too high, valuing your home for estate work or a divorce or helping you secure a HELOC, a local appraiser is best.  They obviously also appraise new construction homes as well as existing homes, and can do it for a home listing, before or after a sale.  They use the local MLS (Multiple Listing Service) to gather data on sales and listings and use them to professionally tell you what the price per square foot should be for your home and others in your area.  They also can determine if there's any effect on the value of your home from pending foreclosures, REOs, and other "short sales" in Pinellas County.  A licensed and certified appraiser's estimates of value on residential single family homes, condos, townhouses and more are much better than what you'll find when using an AVM (automated valuation model) or a BPO (Broker Price Opinion).  They can do an appraisal for VA, FHA, conventional, jumbo, and Fannie Mae or Freddie Mac purposes, and routinely provide those reports on URAR, drive-by, and 1004 MC (1004 Market Condition) forms as well as others.
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