What’s the Cost of Converting a 330-350 Sq Ft Garage into an ADU/JADU?

[Jacky Peng]

Hi Bigger Pockets Community,

I recently decided to start a JADU project (330 sq ft) using my garage. The first quotation I received from my contractor is $90,000 ($273/sq ft), or $100,000 ($303/sq ft) if additional foundation work is required. The quote includes the HVAC machine and installation. I’d appreciate your thoughts on this quote, and any suggestions or advice would be welcome.

Thank you, 

Jacky

[Jacky Peng]

Quote from @Rene Hosman:

I am an investor in CO and we're doing a garage conversion including the room above the garage and that is looking like it's going to be 150k but that is for about 800 sq ft including some foundation work, adding a full bath, laundry hook up, and kitchentte. 

90-100 seems high for 330 ft to me but that may be CA prices! 

Have you had anyone else bid out the work? We got 4 quotes and went with the contractor whose quote came in the middle but we liked the most. 

I expect the project will be a bit cheaper than the quote because I've been sourcing materials myself which were included in the quote and was able to buy new hardwood flooring on fb marketplace as well as buying nice hardwood cabinets from Habitat Restore that will be refinished instead of buying new plus a few other fun thrifted finds to keep costs down!

I appreciate you sharing this! I will be sure to get additional quotes in the near future. Since I am based in the Bay Area, the price per square foot is higher.