We don’t know yet about the interior conditions and if there is a will.

I've worked hard to improve the property since purchasing through full scale cosmetic renovations of the interiors and most of the exterior.

I heard one builder switched to using metal studs for the interior walls because it was cheaper.

He had told me that "we" should gut the whole house, redesign and reframe the interior.

Although much of the interior of 1600 Pennsylvania Avenue is managed by curators, First Families certainly impart their sensibility in subtle — and sometimes dramatic — ways.

With 22 units, you should be around $5-7/ft for flooring and paint interior paint. 

In Cook County, IL, my understanding is you may or may not trigger a property tax reassessment based on a sale and otherwise it’s somewhat unpredictable when an actual human will come to reassess the exterior and interior for overall value.

Mostly interior stuff.

You can also tuck point the interior walls and then apply a drylock material which is like a heavy paint that seals the interior wall. 

Seller refuses to let me see interior and states he doesn't want to bother tenants.