Greentrees Homes | Royersford Realtor Gives Assesment Greentrees Estates is a housing subdivision located in the Royersford area. Royersford is a borough in Montgomery County, Pennsylvania, 32 miles northwest of Philadelphia, on the Schuylkill River. Royersford is rich in historical sites and landmarks. One of the famous landmarks that Royersford has to offer is the Spring-Ford Area School District. The Oaks Elementary School is the home for approximately 510 students in grades K-4 and approximately 55 staff members work in a variety of capacities throughout the school. The OaksElementary School is located in Upper Providence Township in Montgomery County and provides a spectrum of learning programs to meet the needs of all children in attendance. WANT TO KNOW THE MINUTE A HOME IS LIS... 04/18/2011