Is your marginal tax rate 39.5% ?

You said "my tax rate is very very high", that is your income tax rate (tax on your income in the past year), but not capital gain tax rate (the tax on your investment over prior several years).   If your tax bracket is 35% or lower, your capital gain tax rate is 15%, if your tax bracket is 39.5% (taxable income of $400,000 or more for 2013), your capital gain rate is 20%.  

But yes, you can gift it to your son and have him pay 15% CGT on gains instead of you paying 20%, if your tax bracket is 39.5%.  You'll have to do some paperwork to bypass the gift tax by using unified credit.  Talk to a accountant. 

http://finance.zacks.com/tax-implications-giving-house-child-7953.html