I am curious to learn more about your Digital Marketing & Design Consultant company, as my company has a large client base of luxury brokers/agents that use our webdesign services and may be interested in your general marketing, I would be happy to refer them to you, company permitting and if you do good work.

When we acquire a new property where smoking has been permitted, we establish a sunset date after which the property (not just inside) will be smoke free.  

Signed up for a bulk mail permit using pre-cancled stamps bought some  4x6 innvitation size envelopes and blank 4x6 cards in all about .32 cents a letter including postage.

For 'raw' land, no utilities, zoned residential, you want to make sure a well and septic are permitted.

Get someone who works your NYC market; permits; rules etc. as you always want to do it by the book.

.), zoning/permitting requirements/process and the size of the company.

No street parking is permitted.  

There could be structurally nothing wrong with the property but they do not know that and they will want to see a report from a Professional Engineer before permits are even pulled.  

Does anyone have advice as to how far away to stay from specific addresses that signify past permits to fix sinkhole, or potential ground settlement, issues.

Include copies of the liens if you have them and the cost it will take to rectify the landscaping and tear down the un-permitted patio if its unsafe as well as other key house components that might not be obvious.