Sunshine Supply Co Inc

Sunshine Supply Co Inc is a foundation repair and waterproofing materials distributor in Ontario, CA. The company serves contractors, architects, and building professionals across California by providing sealants, coatings, and waterproofing systems designed to prevent water intrusion and correct leaks. Since 1971, the business has specialized in high-performance building materials, offering technical support, product selection guidance, and on-site consultations. It maintains a broad inventory for same-day pickup and delivers throughout the region, including free local delivery with forklift options. The company holds a 4.70 rating based on customer reviews, reflecting strong reliability and service quality.

Sunshine Supply Co Inc was founded in 1971 with a focus on supplying advanced waterproofing and sealing technologies to the construction and architectural communities. The company emphasizes technical expertise, offering free job consultations, plan reviews, and training sessions for contractors and design professionals. It supports its customers with value-engineered product alternatives, detailed submittals, and manufacturer coordination. The business continues to provide no-cost jobsite observations and troubleshooting, maintaining a philosophy centered on preventing water damage through quality materials and proper application. Its product lines include systems like Enduris Roof Coating, TREMproof 250GC, and Perminator vapor barriers, all selected for performance, durability, and innovation.

The business is located on S Vineyard Ave in Ontario, CA, situated about 0.2 miles from Mission Boulevard and approximately 0.4 miles from the Administration Offices. It lies near Ely Basin #2 and Ely Basin #3, both lakes about 0.8 miles away, and is within 0.9 miles of Ontario Fire Station 10.

Sunshine Supply Co Inc is recognized for its deep industry knowledge, extensive product selection, and consistent customer support. The company's well-documented online presence and optimized website ensure clear access to technical resources, calculators, and product information. Its long-standing reputation, built over more than five decades, reflects a commitment to quality, reliability, and technical excellence in the building materials sector.

As a trusted supplier in Ontario, Sunshine Supply Co Inc stands out as a go-to resource for durable, performance-driven waterproofing solutions in the region’s construction and infrastructure projects.