Geocoder is a simple .NET library which utilizes Google's Geolocation API to geocode street addresses.
Install-Package Geocoder
var geocoder = new Geocoder.GeocodeService();
// geocode the location of the White House
var whiteHouseLocation = geocoder.GeocodeLocation("1600 Pennsylvania Ave NW Washington, DC 20500");
Console.WriteLine("Location: Latitude: " + whiteHouseLocation.Latitude.ToString() + "; Longitude: " + whiteHouseLocation.Longitude.ToString());