At RainBay, our mission is to provide high-quality, durable, and space-efficient steel rainwater tanks that empower Californians to conserve water, reduce reliance on municipal sources, and embrace sustainable living. By helping homeowners and businesses maximize tax rebates, increase property value, and cut monthly water bills by hundreds of dollars, we make water conservation both a smart financial decision and an environmental necessity.

Steel builders, Taxation professionals,  and Urban Design Experts

RainBay is a North American company specializing in premium steel rainwater tanks designed for California’s unique climate challenges. We focus exclusively on steel tanks due to their superior durability, longevity, and resistance to UV degradation—far outperforming plastic alternatives. Our slimline designs cater to urban and suburban properties where space is at a premium, making rainwater storage both practical and visually appealing.

We don’t just sell water tanks—we provide smart water solutions that help Californians take control of their water supply, reduce their dependence on municipal systems, and unlock financial benefits through government incentives.

Rainbay –  everyone’s way to catch the power of rainwater

Our vision is to lead the transformation of rainwater harvesting in California by offering innovative, high-quality steel water tanks that empower homeowners and businesses to be more water-independent. We strive to be at the forefront of sustainable water solutions, helping mitigate the effects of drought and climate change through smart water management.

By combining superior craftsmanship, expert guidance on tax savings, and exceptional customer service, we aim to make RainBay the go-to brand for rainwater storage solutions in North America.