A patio home would be very similar to a condo, except the owner of the patio home owns the land underneath the unit and usually a small back yard. For example, those two story Hallcrafts that are scattered all over Phoenix. Front stoop, living room, kitchen, dining area and half bath on first floor, two or three bedrooms, one or two baths on the second floor. Has about a 10' deep yard between the rear of the home and the carport. 12th Street & Thomas, about 19th Ave & Bethany Home, etc. etc. Be careful of the Hallcrafts about 45th and Glendale. One subdivision has horizontal property regime as part of their CC&Rs. so it is a condo. Duplicate models in the adjacent subdivision, but no horizontal property regime in the CC&Rs so it is a PUD. Another term realtors like to use is townhouse (or condo) for both the condo ownership and PUD ownership types, so you always have to read the CC&Rs to find out what you are actually appraising, because you sure can't tell by looking or find out from the owner or realtor! The assessor's office uses the use code of 07 for both condos and PUDs if the PUD looks like a condo. The name of the recorded subdivision can also add to the confusion, because some of the developers liked the ring of condo within the name---and then didn't put a horizontal property regime clause into the CC&Rs, so it is a PUD in that case. Or a draftsman in the assessor's office got carried away and decided to be creative when they created the assessor's map. If you do the report without reading the CC&Rs and go ahead and report on the form you think applies, you might get a call from the client (after their underwriter has read the CC&Rs) to change the form!
And then there are those Z lots, which are different than a zero lot line lot. Maricopa County developers get very creative at times, almost as creative as some of the realtors. Oh yes, if the developer or realtor used the term patio home, it could be either an attached single family home or a detached single family home. Reviewing reports, the appraiser should have used other homes in the same or similar subdivision with similar homeowner association amenities, fees as comparables, as wells as the same attached/detached situation. And then when you get to Sun City and Sun City West, it is a whole other ball game--they are not PUDs, but master planned communities.