Hi @Lewis C.Larger multifamily buildings are a far cry away from SFR, and as you might expect, the due diligence is much more involved.For starters, all mechanicals in the building need to be evaluated intensely.

If they can find a way to align incentive, like a bonus for finishing in a certain time frame, they could create a mechanism to get what they need from this architect. 

Trenching around the property is the preferred mechanism, but in an attached multifamily situation, you would need to trench below the units along the adjoining walls.   

I have been to mechanics school,Welding school,cut meat for 35 years, ran heavy equipment, been an over the road truck driver and owned a butcher shop.  

Since all the mechanicals are in the basement it goes without saying that the furnace, water heater, and electrical panel will all need to be replaced.

Curious how the 'mechanics' of a transaction like this work.

(mechanic's lien, hoa, etc) Who placed it against the house and how much would it cost to get removed?

Something like this:This home has a completely remodeled kitchen and bathroom, new hardwood floors throughout, all updated mechanicals, new roof, etc - which none of these comparable properties have. 

@Chris Reeves  I think what your thinking about is this.seller list property you offer full price all cash no contingencies.. seller rejects.. there is a mechanism for the listing agent to get paid.. buyer still does not get the property but the listing agent and maybe the other agent can sue for their commission because they brought in a ready willing and able buyer according to the listing agreement....

Insurance is going to be your main issue, as it is costly and having been on three boards, we were risk averse to changing it or losing it as I recall insurers bringing up details from bbq to pets, etc. and when you have a claim, really it seemed a struggle, and if they can get out of paying they will..even got dropped once...Maybe have the master policy professionally examined to see what is allowed and, worst case, explore if you can get legal help to work out a mechanism to hold the association harmless (be it your own policy, plus umbrella, and maybe indemnify the association for any claim)....some great advice here and some firms may be more willing to write the policy.