But the most common reason for value differing from price is that either the buyer or the seller is uninformed as to what a property's market value is but nevertheless agrees on a contract at a certain price which is either too expensive or too cheap. This is unfortunate for one of the two parties. It is the obligation of a real property appraiser to estimate the true market value of a property and not its market price.
In order to account for the usage of the land, the net operating income is reduced by the Liegenschaftszins (interest paid to the land-owner by the owner of the building, i.e., ground rent). The Liegenschaftszins is the product of the land value and the Liegenschaftszinssatz (interest rate for land use). The Liegenschaftszinssatz is the equivalent of the yield—with some important differences—and is also determined by the Gutachterausschuss.
The requirements to become a fully qualified appraiser or assessor of real estate are complex and vary by state and, sometimes, by the value or type of property. Most appraisers and assessors of residential or commercial property must have at least a bachelor’s degree to obtain certification. The entry-level state license category typically does not require a bachelor’s degree. Check with your state's licensing board for specific requirements for both assessors and appraisers.

The seller can lower the price.If the home was overpriced or the value was inflated, often this is the best solution. It makes the buyer happy and the lender is satisfied. There is no guarantee that if the buyer walks away, the seller won't receive a low appraisal from the second buyer's lender, not to mention the time and trouble it takes to sell the property again. Sometimes a bird in the hand is best.
Lenders want to make sure that homeowners are not overborrowing for a property because the home serves as collateral for the mortgage. If the borrower should default on the mortgage and go into foreclosure, the lender will recoup the money it lent by selling the home. The appraisal helps the bank protect itself against lending more than it might be able to recover in this worst-case scenario.
Data is collected on recent sales of properties similar to the subject being valued, called "comparables". Only SOLD properties may be used in an appraisal and determination of a property's value, as they represent amounts actually paid or agreed upon for properties. Sources of comparable data include real estate publications, public records, buyers, sellers, real estate brokers and/or agents, appraisers, and so on. Important details of each comparable sale are described in the appraisal report. Since comparable sales are not identical to the subject property, adjustments may be made for date of sale, location, style, amenities, square footage, site size, etc. The main idea is to simulate the price that would have been paid if each comparable sale were identical to the subject property. If the comparable is superior to the subject in a factor or aspect, then a downward adjustment is needed for that factor.[clarification needed] Likewise, if the comparable is inferior to the subject in an aspect, then an upward adjustment for that aspect is needed.[clarification needed] The adjustment is somewhat subjective and relies on the appraiser's training and experience. From the analysis of the group of adjusted sales prices of the comparable sales, the appraiser selects an indicator of value that is representative of the subject property. It is possible for various appraisers to choose a different indicator of value which ultimately will provide different property value.
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Our investment in training and technology has helped our customers greatly reduce their workload. By offering on-line appraisal ordering, coupled with automatic report status updates and electronic delivery of the final product, we are able to eliminate the run around and phone tag hassles associated with this process. And since this process saves us money as well, we can keep our rates competitive with anybody in the industry.
Unlike appraisers, assessors have no federal requirement for certification. In states that mandate certification for assessors, the requirements are usually similar to those for appraisers. For example, the International Association of Assessing Officers (IAAO) offers the Certified Assessment Evaluator (CAE). This designation covers topics that include property valuation for tax purposes, property tax administration, and property tax policy. Applicants are required to have a bachelor's degree prior to obtaining the designation.

As always, the Property Appraiser's office is ready to answer any of your value or exemption questions. Please remember that our office does not set the millage rates, adopt budgets or collect taxes. If your questions concern any of those issues, please contact the taxing authority listed in the notice. Their meeting dates, locations and times are printed on the back side of the form.
The notice shows property owners their just, assessed and taxable values for the prior and current years. It also provides a comparison of the prior year taxes for each taxing authority to the current proposed property taxes.  Exemptions and reductions in value due to assessment caps are provided, along with any non-ad valorem assessments.  Current year taxes are based on property values, tax exemptions and the proposed tax rate that has been set by the taxing authorities.  
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