About Company

Diamond Environmental Services is a Southern California provider of site services offering portable restrooms and sinks, luxury restroom and shower trailers, laundry and sleeper trailers, temporary fencing and barricades, dumpsters, potable water, temporary power solutions, and comprehensive pumping services including septic, RV/motorhome, holding tank, and non-hazardous wastewater pumping. The company supports construction sites, events, festivals, agriculture, production, and seasonal needs with 24/7 availability, competitive pricing, and professional service. With headquarters in San Marcos and multiple regional facilities, we focus on reliable scheduling, responsive emergency support, and delivering the “Diamond Standard” of service across the region.

Service Category

Area Served

Project Photos 

Reviews