Accessory Dwelling Unit Calculator
Estimate the cost of converting part of your home or constructing a rental unit.
ADU Info
New Construction
New construction includes both attached and detached second units.
Conversion of Garage or Pool House
Taking an existing garage or pool house, and turning it into a second unit,
Construction Info
Standard
Typical for what's in your county, which means generally high quality. Stainless steel appliances, solid countertops, a mix of carpet and hardwood or tile.
High End
Assumes the top end of anything generally available at major retailers, ceramic tile floors, etc. Costs would be higher if, for example, you used a custom cabinet maker.
Easy Condition
Flat ground and easy access
Some Challenges
Uneven ground or difficult access.
Difficult
Uneven ground and difficult access.
Septic costs cannot be included in this calculator due to the wide range of potential costs. This depends on your current septic system capacity and what (if any) work would need to be completed in order to accommodate your ADU.
Estimated Construction Costs
Estimated Increase in Home Value
