Jensen Locations
Jensen has facilities across the United States. Product availability varies by location. If you need a product immediately, contact us to ensure availability.
We welcome engineers, specifiers, agencies, contractors, and community members to tour our facilities. Contact one of our Locations directly to arrange a visit.
Ontario, California
Jensen’s Ontario, California, facility manufactures precast concrete products for sewer, storm drain, and utility infrastructure projects across Southern California. Strategically located on Benson Avenue, east of Los Angeles and Pasadena and west of San Bernardino and Riverside, our Ontario plant provides convenient access for contractors, agencies, and developers throughout the region. At this facility, we produce precast manholes, drainage inlet structures, and underground enclosures, including small box products. Designed to meet strict specifications and support efficient installation, these products serve a wide range of sewer, stormwater, and utility infrastructure applications.
Address: 519 South Benson Avenue, Ontario, CA 91762
- Phone - Precast Products: (909) 983-9789
- Phone - Enclosures: (909) 947-7470
- Office Hours: 6:00 am - 4:00 pm, Monday - Friday
- Will Call Hours: 6:00 am - 3:00 pm, Monday - Friday
Products Offered by Jensen Ontario
Underground Enclosures
Our Ontario facility manufactures high-quality small underground enclosures, commonly known as handholes. These enclosures provide secure access points for underground utilities, ensuring reliable protection for electrical, fiber optic, and telecommunication infrastructure. Our handholes are widely used in industries such as telecommunications, power distribution, and transportation, helping to safeguard critical connections while allowing for easy maintenance and system expansion.
Stormwater Management Products
Jensen Infrastructure in Ontario, CA produces sewer and storm drain manholes designed to facilitate access to underground water management systems. Built for long-term performance, our manholes are essential components in municipal wastewater systems, stormwater infrastructure, and industrial drainage applications. Utility companies, public works agencies, and construction contractors rely on our precast solutions for efficient water management.
Drainage Products
Our Ontario, CA facility also specializes in manufacturing durable drainage inlet products that efficiently capture and direct stormwater runoff into underground drainage systems. These products play a vital role in preventing flooding and erosion in urban developments, roadways, and commercial properties.
Questions & Answers
Which industries use precast products from this facility?
Can I pick up my order directly from the Ontario, CA facility?
How can I get a quote for products from the Ontario facility?
