Pictures of the entire area?

1. drain tile to under ground drywells
2. Create a swale to get the water to travel away
3. create a pitch for the grade 1' for every 6'
4. make sure the downspout from your gutters carry the water away from this area
5. make sure you have gutters
6. make sure driveway or sidewalks don't direct water towards this area
7. It is possible that the mixture of soil below creates a grade back to this area. Example if you have sandy soil on top and one foot below is clay. the clay soil below could pitch back towards the wet area.
8. Water table could be high in that area if it is a low spot for the area