The mortgage professional you eventually decide to work with is the best source for this information. The use of percentage estimates, as Barry suggests below, is also quite common. However, if you seek to understand the breakdown of costs and want to compare Escrow providersâ€™ cost structures at the same time you can use http://www.closing.com to review estimates.
Please review this 2-page primer on "rate shopping" before you contact a broker so you are informed about the process:
Also if you are interested in understanding what pushes mortgage rates up/down also see:
Your lender should have already given you a good faith estimate of closing costs for you to sign. Plan on just less than apx. 3% of the purchase price for non-recurring closing costs. There are assumptions that the property will appraise and the seller is paying for typical items such as termite, HOA docs, NHD report and their own escrow-related fees. The date you close will determine how much money you'll need to pay for county property taxes in advance (based on the sellers tax basis).