A modern solution with timeless strength. This exterior spiral staircase was custom‑built by California Custom Iron to deliver durability, clean lines, and a space‑saving design that elevates any outdoor area. Perfect for decks, balconies, and multi‑level patios, our stair systems are engineered for safety and crafted to withstand California weather year‑round. Every staircase we build is fully custom — designed to match your home’s architecture and fabricated with precision