Perez was last seen on Dec. 31 at about 10 a.m.
She had been reported missing as recently as Dec. 22 and returned home on Dec. 30.
Perez is a White-Hispanic female, 4-foot-11, 105 pounds, with brown hair and brown eyes. She was last seen wearing pale blue shirt with white stripes, black jogging type pants.
In the past, she has been known to travel to Port Chester, N.Y., and New Haven.
Anyone with information should contact the Greenwich Police Department at 203-662-8030 or 203-662-8003.
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