I was quoted: $9500 for a design and $3000 for site survey because I am trying to decide between having an attached ADU vs a detached one. 

I paid for the annual membership which isn't necessary but it is cheap given the valuable information they offer.

Memberships are $99/yr. 

You need a new SURVEY to determine the correct size.MLS and property tax will say something like information deemed to be reliable but not guaranteed.

Who pays for what (title policy, survey—if needed/wanted, property taxes etc) so the title company knows who to charge.

I am not familiar with this process.So, this is what I know so far. 1) zoning -> checked out, he will be able to build his home on his land.2) building permit -> in order to get a building permit he’ll need a survey done.3) survey - before we get the survey we will first find out the integrity of the soil by preforming a Soil Test.4) Soil Test -> after completing the soil test a Perc Test would be needed for the septic tank. 5) Perc Test -> required for septic tank note, the piece of land does not have  a sewer line so a septic tank is needed….

@Mark Langdon   Survey$0.00 (I made the sellers do this.

If you have a Costco membership they have a partnership with an easy to use online mortgage company. 

What about memberships at the course???

To get a survey--goodness gracious- you'll by 6-8 weeks out.