Sarver is an unincorporated community in Buffalo Township, Butler County, Pennsylvania in the United States. It is located in the south-eastern part of the county. Sarver is generally known as the area along State Route 356 (Butler Road/South Pike Road/North Pike Road) in the township. Until the late 1990's- early 2000's, Sarver was home to only a few grocery stores, gas stations, and car dealerships. It has since grown to hold many new mid to high income housing plans, shopping centers, and businesses. The ZIP code is 16055. Many of Sarver's school-age residents attend the Freeport Area School District.