There are various yardsticks to judge a neighborhood before you buy — the overall cleanliness, low crime rates, and amenities such as plenty of walking paths.Union Ranch in north Manteca has another measurement that speaks volumes. Of the three homes available on the resale market, two of them are from families planning to move into another home in the same neighborhood.“Its great neighborhood,” said Jessie Barrett of PMZ Real Estate who has one of those three homes listed at 886 Golden Pond Drive of $329,999.Barrett should know. She also lives in the neighborhood.So why are the residents so sold on the neighborhood?There are a number of reasons.