At some point or another, every homeowner wants to know what their house is worth-even if it's just for kicks and giggles.

Everyone knows about the BIG 4 that I refer to as RRTZ : Realtor, Redfin, Trulia, and Zillow, but the question remains:

Are those sites accurate and is there a way to take the information they give you and comp out your home yourself to determine its value?

Moderately yes and yes.

I'll give you a rundown of the pros and cons of online home valuation sites and how to make adjustments for bedrooms, bathrooms, and square footage.