I can accept without hesitation some appraisers, in there 20+ year experience have not pulled permits. And by doing so, have been able to conclude credible results consistent with the assignment's requirements (certainly I accept that by everyone who has asserted such in this thread).
Most of my assignments are like that... but not all.
Sometimes, to conclude credible results, I need to look at things like specific zoning to a specific property, and specific permits for a specific property.
That's me and my assignments.
It is the weekend, and I'm looking forward to next week to hear if one of the other posters has a case to reference where an appraiser has been sued for doing research on a property. No one has ever been able to cite such a case either specifically or anecdotally.
As to taking on additional liability for doing additional research (not the borrower being mad, but from an appraisal stand point), I find that one hard to believe. I'm not going to issue a "ruling". I'm going to form an opinion of how I considered the data. Sometimes, that opinion will be high-confidence: The planner showed me the variance request and the subsequent denial/approval by the planning commission... therefore, my analysis is based on no approval/approval of X,Y, and Z.
What, am I going to get sued by the lender if later, the planning commission reverses itself? I kinda doubt it (or, better said, I'm not worried about it).
Likewise, if I cannot go any further in drawing a reasonable conclusion, I'm going to stop and call the client, let them know where I'm stopped at an why, and then give them some options on how I think I should proceed (HC, EA, or change the SOW of the assignment, or stop). How is that taking on more liability? It isn't.
Indeed, I see the opposite potential: by not adequately researching an issue and then making an assumption that, with some level of due diligence, would not have been made, that increases lawsuit risk if you ask me.
Trust me: I'm well aware about "standard of care" and "what would your peer do" (and, what the definition of "peer") means. I'm not going to rely on a presumption that "my peer wouldn't research this" if I think I should research the issue. I really see no additional liability for doing research on a specific issue that would reasonably be researched. Until someone shows me a case where that's not true, I'll probably stick with this position.
And, I'm not talking about check-list AMC requirements. My clients don't have those.
My clients expect me to make the determination if something needs to be investigated further or not. I make that determination, and then I proceed appropriately.