Second floor only has bedrooms so I want to do 1) an extension on the second floor and 2) add a bathroom and potentially a 3) kitchen.I called town office and was told to submit an original survey and a drawing of new layout plus $40 processing fees. 

You can tie in some national indices also, if you have access to that data, Kopaz Investor Survey, apartment owner association, etc. 

A recent survey found that about 90% of the offerings expected to hit the market in the last two weeks have been delayed. 

Inspections, Permits, Survey, Monitoring Services, geotechnical, insurance, environmental, violations, taxes, accounting, legal, office & misc, construction loan fees, acquisition fees, and so on.Your development fee is too heavy.

Things do get better as you move west however (see map below)The average rent according to the most recent american community survey is $875, which is lower than neighboring Chicago's average at $1,029. 

There are nationwide portfolios available that cover your needs.example 1 - up to 55% of your purchase and min $300k loan amount; 5, 7 ,10 yr arm.example 2- up to 75% ltv, based on rental market survey; $100k min, 30 yr fixed.

Is this something a surveyer can do?

I needed an interior survey, since I didn't have building plans from 1902.

They use pics, surveys, floorpans etc.. 

Have you surveyed the property personally or do you have "boots on the ground" that you relied on for that information?