Before I make offers I always go to the tax accessory's web site to verify what they have as square footage and market value even though its just a reference number for me. 

He ended up being very specialized and had a huge inventory of accessories, not guns. 

I don’t see it as being an issue with your mortgage company as it’s an accessory building.

If you're interested in doing short-term rentals out of an accessory unit, you're likely going to need to be sure that the property in is a very desirable area, which won't be cheap.

Fix-up and a few accessories are appreciated on an SFR and you can get a premium from a SFR buyer. 

Wanted to connect with BiggerPocket members who are located in San Jose and actively interested to build and invest in Accessory Dwelling Units (ADU) as an affordable rental option.

Hello, I am closing on a home with a an attached accessory unit.

Like @Ron Gallagher said, the properties with the accessory dwelling unit basement rentals are an option as well. 

According to this site they've extneded to 2018 https://www.portlandoregon.gov/bds/article/569789On April 13, 2016 City Council unanimously passed a Resolution extending the current waiver of System Development Charges for Accessory Dwelling Units.

ElizabethHomeready will restrict you to  single unit (unless there is an "accessory unit) while FHA will allow up to 4 units.