Statistically, you re less likely to be a victim of crime in Martinez than Concord. Concord s crime is above the national average per 1,000 people and Martinez is below the national average. Neither town is Mayberry but they aren t considered unsafe either. Both towns have desirable parts and less desirable ones. Your best bet is to actually spend some time in the area you intend to move into. Drive through several times during the day and again at night. Really get the feel of the place.
It is not bad, but Concord is a bit safer.