Builders generally aren't paying retail price for hardware, sometimes electronics, and it all matters where you live and what you want for wood. In my experience the material cost for a bass is more like $300-600 on average not that it can't go as high as you want!
And to the OP, support your local luthier! Ask around music stores, and musicians on your scene and you'll find one within driving distance for sure.
Just so there isn't any confusion, I just speced and bought materials for a customer, the specs were;
5 string neck through Single Cut,
Wenge and purpleheart neck, Mac ebony fretboard 26 fret
Walnut body with a very good grade top
Bartolini pickups, Aguilar OBP3, and black hipshot hardware
Cost to me for all materials, hardware, and electronics?
$929, and that includes shipping and Case
People do not get what it costs just for the materials to build a bass, then the amount of time in doing all of the wood milling and prep before you can start building. Then the 50-60 hours of build and finish time.
You can buy parts from the parts manufacturers, parts off ebay, and build a parts bass cheap, but for most small builders to build an instrument for under 2K can sometimes be tough. When they get into the $3500+ range it starts getting to be a different world of business model.
This is just so you have an understanding that we as builders don't make a lot on instruments after time, materials, and overhead.
As for Builders, Check out these TB'ers:
Regenerate Guitar works(Rodent here on TB)
FBB Custom
Drake Custom
Grantbass
Rickett Custom
BassCycle
All could be capable of building what you want, but price is a different story