Infill construction in an established neighbourhood like Haultain can also trigger extra scrutiny on things like grading, drainage and how the new structure sits relative to the lot lines and neighbouring foundations, so ask specifically whether those inspections happened, not just the standard framing and electrical ones.
Have your own lawyer review the purchase contract before you sign, since a new-build agreement often includes deposit terms, allowance structures and a possession date that can shift, and a lawyer catches the details a buyer reading it once tends to miss. Budget $800 to $1,500 for that review.
A permit file you can actually verify is worth more than a builder's word that everything was done to code. Get your hand-reviewed valuation from Joel Dyck.