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. Sarver used to only be a few grocery stores, gas stations, and car dealerships. Now, it has 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.