You might not be getting answers here on Trulia if there is not a real estate pro or other contributer local to your area that can answer this specific question.

In terms of finding a 55+ community it might be best to start with a realtor locally who specializes in this area. Check out the below and see if you can locate an agent close to you who can answer your questions:

SRES®, Senior Real Estate Specialist
The SRES® Designation program trains REALTORS® to profitably and ethically serve the real estate needs of clients age 50+. Includes first year membership in SRES Council and its umbrella of services.

SRES Council
Call 800-500-4564 or visit the SRES website site:
http://www.seniorsrealestate.com/sarec/

Good luck,
Susan Walker