Only 49 properties on their books according to their site. 
Taken from HERE (click link)
Sol Vivienda
Sol Vivienda is a dynamic firm with a young, energetic staff determined to provide quality and excellent customer service. We are one of the fastest growing estate agents in the province of Almería with sales of over 500 properties in 2002, 700 in 2003 and projections of over 1000 for 2004. We are recognised as a reputable company by the Almería Tourist Information Centre and are registered with the Almería Chamber of Commerce.
We cover all areas of real estate: from resale properties, plots of land and rural farm houses to luxury developments on the coast. Sol Vivienda has operations across the whole province of Almería: in the city of Almería, all the coastal areas and the mountains and valleys of the interior.
Our Legal, Finance and Architecture Departments are based in the City of Almería and are always at the complete disposal of all our clients. Our International Department is based in Roquetas and is specialised in providing expert advice to non-Spanish buyers on all aspects of purchasing property in Spain.