According to the latest annual survey by Green Builder Staff 4/30/2013, most people care about living sustainably, and that they understand that updating their home to include more green features increases its value.
Below is one chart from the survey showing that there has been a shift, green credentials and 3rd party certifications are carrying weight with consumers. Apparently, third-party certification such as LEED makes them feel better about a home purchase.
Green Sand Architecture + Design specializes in green design and certified projects such as LEED.