Property is 1,148sqft, 3bed, 2bath, family/living room, kitchen/laundry.Work that i would like to do:- brand new kitchen- 2 brand new baths- all cosmetics brand new- some if not all windows need to be replaced- convert from wall furnace to central A/C and heat- raising ceiling from 8' to 9' - new roof- want brand new modern exterior look- landscaping and maybe a new driveway- water/drainage/gas piping condition unknown.  

Type of ADU Assumed SF Price/SF Total Cost Sample Monthly Rent in Oakland Valuation Net Equity Shipping Container Conversion to Modern ADU 160 $ 300.00 $ 48,000.00 $ 1,500.00 $ 216,000.00 $ 168,000.00 Garage Conversion to ADU with existing foundation 500 $ 300.00 $ 150,000.00 $ 2,000.00 $ 288,000.00 $ 138,000.00 Garage Conversion to ADU without existing foundation 500 $ 400.00 $ 200,000.00 $ 2,000.00 $ 288,000.00 $ 88,000.00 Basement Conversion to ADU with existing foundation 500 $ 300.00 $ 150,000.00 $ 2,000.00 $ 288,000.00 $ 138,000.00 Basement Conversion to ADU without existing foundation 500 $ 400.00 $ 200,000.00 $ 2,000.00 $ 288,000.00 $ 88,000.00 Detached ADU with traditional prefab modular 500 $ 250.00 $ 125,000.00 $ 2,200.00 $ 316,800.00 $ 191,800.00 Detached ADU with modern prefab modular 500 $ 350.00 $ 175,000.00 $ 2,300.00 $ 331,200.00 $ 156,200.00 Detached ADU with on site build easy access 500 $ 300.00 $ 150,000.00 $ 2,200.00 $ 316,800.00 $ 166,800.00 Detached ADU with on site build difficult access 500 $ 400.00 $ 200,000.00 $ 2,200.00 $ 316,800.00 $ 116,800.00

ARV is a little science and a little magic so to speak, typically you arrive at the ARV based on COMPS(science) and your market knowledge (Magic). 

& hopefully technology/science will pull through. 

But depending on the level of work that is required you and your contractors projections can become much more of an art than a science.

Our washer broke down a few months ago so I went to a modern laundromat in my small town-they also did wash n fold.

Hard surface flooring, modern colors & feel, good materials.

Hard surface flooring, modern colors & feel, good materials.

The most common updates, just to modernize, are bathrooms and kitchens. 

There’s a science behind the signs, but you can do this which ever way you’d like.