Construction costs = $40K per contract
Blueprints, plan checks, build permits = ~$7K
Appliances and miscellaneous decor = ~$3K
Total = ~$50K

It's done. Finally done after 6 months of construction for an existing attached garage to a 1bd and 1ba garage ADU with living room and kitchen. Dualzone minisplit ac/heater. Tankless water heater. Separate electric meter. Separate address. Shared gas, water, and trash.

Blueprint process started on 6/29/2020
Construction started on 12/11/2020
Blueprints approved by city on 1/08/2021
Construction completed on 6/11/2021

Almost a full year. 7 months for the blueprint approval and 6 months for construction with one month overlap = 12 months total.

Interior and exterior designer = Josie
Floorplan developed by = Manny
Blueprints by = Draftsman who works with general contractor
Construction by = Small construction company who won't take online referrals.