One Agency The Parks is Wetherill Park's leading real estate agency, based in Western Sydney for more than 7 years. The services we offer our clients include property sales in residential areas, and property appraisals. One Agency The Parks, Vince Salvatore boasts over 17 years himself real estate experience. This makes One Agency The Parks the most experienced real estate in the local area and is your assurance of being in safe to act on your behalf in the management or sale of your property. Local residents will be familiar with the frequent appearance of our sales and property management marketing in the local area. Although we are based in Wetherill Park, we have clients from all over requiring our services such as Bossley Park, Greystanes, Cabramatta, Smithfield, Horsley park and Cecil park.