Santosh Aggregate Plant

With more than 130 years of experience serving contractors, concrete producers, paving companies, and public agencies, CalPortland provides high-quality aggregates backed by technical expertise, reliable logistics, and sustainable resource management.

The Santosh Aggregate Plant serves customers throughout Southwest Washington and the Portland Metropolitan area with a full range aggregate products that meet a wide variety of specifications:

• It is a fully automated, fractionated plant with the capacity to produce over two million tons per year, with virtually unlimited production flexibility, setting Santosh apart from other aggregate operations.
• Santosh operates a barge loading facility, with four self-unloadng hopper barges, capable of loading both internal and customer barges.
• The truck scale is equipped with Auto‑ID technology, reducing scale time for large projects and repeat customers while ensuring accurate weights on every ticket.

What you can expect from CalPortland:

• Proven Expertise – Decades of experience producing aggregates for everything from residential projects to major infrastructure and highway construction.
• Quality Assurance – Consistent gradation, rigorous testing, and compliance with ASTM and project-specific specifications.
• Technical Support – Knowledgeable materials specialists available to help with mix compatibility, performance needs, and project requirements.
• Reliable Supply & Logistics – Strategically located quarries, truck and barge distribution, and dependable inventory management.
• Broad Product Selection – Full lines of crushed stone, concrete sand, masonry sand, gravel, and specialty high-performance aggregates.
• Sustainable Materials Leadership – Pioneering recycled aggregate solutions to reduce waste and conserve natural resources.

Partnering with CalPortland means consistent, high-quality aggregates delivered with technical confidence and operational reliability.

Oregon Department of Transportation, Pit #OR-27