Yes, your son is welcome to live in the community (the guideline states as long as the permanent resident is age 18 or older).
As long as you are 55+ and purchase a home in Cypress Lakes your son should be able to reside with you. No children under age 18, and no more than 4 adults can reside in the home. All potential homeowners are required to undergo the required background checks along with your 27 year old son.
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