if you lay a flagstone patio, you're not getting a permit for a deck. but if you build -- let us say you build a deck that is less than 30 inches off the ground. no permit is required. it does not go to the assessor reporter's office. between 30 and 36 inches off the ground, you need a permit. you can expand the entire size of your rear yard. if you are more than 36 inches off the ground, you have to meet the planning department open space requirements and encroachment requirements. there is a whole range. another thing would be converting an unfinished basement or adding living area, which is happening very often. people are taking the back of their grosz and turning it into their room, or an attic. that is happening in lot. you have to be assessed for that. i think that is a very green thing to do because you do not have to add building. do you have anything to say about general improvement? >> it is a big additional we are talking about attic space. when you are retrofitting for earthquakes two stories up in an edwardian, the expense involved, i thin