Adding usable square footage, extending the master bathroom and converting an old porch into a full bathroom & laundry space.

Take their sales prices and make adjustments based on how they compare directly to the property you are pricing out - adjust for different numbers of bedrooms, bathrooms, livable square footage, lot size, condition, etc. 

In an A community the land value is high enough that if the subject property were to burn down, it would make sense to rebuild a bigger and better property.In a B community the land value should be substantial enough to rebuild the same property, in square footage and included features.

Even if properties are not designated as “for sale”, these databases might hold the most recent sale date, price, square footage, and other essential details.

Total square footage is 6481.

Use tax GIS map and info to find owners and size square footage.    

Eagle view is an app that insurance companies and roofer's use to get the square footage of a roof. 20 bucks will give you a basic measurement. 50 bucks gives you a detailed measurement.

@Dona Cardenas To estimate the rehab cost, multiply the square footage of the property by the rehab cost per square foot.

That's the value of an agent who goes hard in the paint on due diligence.Now, an example of an agent thinking creatively and seeing a value-add opportunity that everyone else missed: There was a house that had been on the market for a long time, and the reason was obvious: it was only a 2 br 1 ba house, and the floorplan was very, very weird, so nobody wanted it...however, my agent spotted that the listing had unusually large Sq footage, so we went to check it out...10 minutes after walking into the house, my agent says "we can turn this loser into a winner".

Not only do you eliminate the need for a fence (yes, you still need a gate), but you actually will fit more storage unit footage onto the same parcel.Joe