They are essentially endorsed at the bottom of the city of San Jose website - https://www.sanjoseca.gov/business/development-services-permit-center/accessory-dwelling-units-adus/adu-permit-plan-review-process/adu-single-family-master-plan-programwww.abodu.comwww.prefabadu.comwww.actonadu.comFrom a cost prospective, the prefab ADUs may be the way to go but I share your concerns about issues with the structures in 5-10 years. 

When you change the named insured on the policy to the LLC the Insurance company will issue and endorsement to the policy. 

Account Closed, I'm very experienced with 203k and absolutely endorse the program for primary residence purchasers looking to HouseHack with low down payment (3.5% on the total budget - Purchase Price + Hard Costs/Rehab) on a 2-4unit property. 

When adefendant is a corporation and the process server has endorsed the fact that the...

We use a Dave Ramsey endorsed local provider and have been more than pleased with the results. 

Pretty much all I can find are what are obviously paid/sponsored endorsements.

You could just endorse the check to your partner and then your partner could deposit it into his personal account.

UPDATE:I should have listend and fired the contractor, a Lifestyles Unlimited endorsed vendor, Scott Flynn of Road Runner Constructin, but decided to give him a chance to fix the issues.  

I got liability insurance for the LLC and an endorsement that protects me because the insurance agent advised litigants sue the LLC and the members, both, anyway by default and she's seen it. 

Your idea of converting a garage to a bedroom I endorse, because adu's are expensive and require a lot of capital outlay and oversight.