People looking to accurately estimate their credit score or evaluate how much money they can get from selling their property need an accurate assessment of their home's worth. Thanks to the internet and modern geospatial information systems, instant home value estimates are available to help people across the country understand how much their home is worth instantly.Find the right siteWhen looking for an instant home value estimate, check multiple websites to ensure the accuracy of the estimates. First, do a quick Google search for web services that assess home values. Do not use any sites that charge money for their service, as there are many free services available, making this is an unnecessary expense. Some of the most popular websites are Zillow.com and Yahoo!'s real estate page, but you can use as many as you want. Each website you access asks for the address at which you reside. Simply fill out the form with the correct address number, street name, city, state and zip code for your home. The website then returns a results page which lists the estimated value of your home and other homes in the surrounding neighborhood. Websites generally include an area map with both a satellite map and road map. Make note of the estimate each website returns to see if they are approximately the same. If one or two websites return a value entirely different from the others, disregard it as an error. Take the arithmetic mean of the values each website returns, and use that number as your instant home estimate!Enter your home address in to multiple websites, and use the average from each service. It is easier and faster to get an approximate value of your home than you thought possible. Use convenient free online services, and average then numbers you get to determine the value of your home.