We are applying for an ADU in San Mateo, ca. 640 sf 1 bed 1 ba.Just the permit will cost about 10 k, with all the green building, demo recycling, all kinds of bureaucracies.However, the added value is around $800/sf, or $400k ish.The actual building cost we estimate around 100k-130k.

I wouldn't be shocked if after all is said and done a GC working with a new flipper wanted $4000-5000 for a bathroom demo and redo.

It seems the person who won the auction started to demo the property before closing.

@Frank Yang I am not lending my own money I work with a private firm as an underwriter and take on all projects.

.: 1st floor demo 4th pic: Bathroom & backrooms still standing pre-demo5th pic: 1st floor as open shell , all walls down & new sub floors 6th pic: Framing of 1st floor started GROUND/CELLER FLOOR: BELOW 1-2 pic : Pre-demo 3 pic.: demo (All walls taken down, a total MESS!)

He's charging over $6 for demo and $6 for install labor only. 

Hi, I'm looking at a property in Rahway NJ.  Its a abandoned 4 family unit thats for sale for cheap cheap.  Now the building is attached to another building/ property.  I was thinking of submitting  an offer on the Pr...

The home has an owner but has been on the city demo list for several years. 

Different demos, different economies.

simply look were you live in Milwaukee.. and look at all those great 30's and 40s houses on the north side of town you can buy for under 100k but it would cost 400k to rebuild them.. in those areas building new just wont happen until things change demographically and if it does not pencil for you doubt you can sell it to any one else.. so the smaller project maybe what you do.. then at some point in the future where economics catch's up.. you demo the small improvements and go vertical.