.jpg)
ARH & Associates is a well‑established structural concrete contractor serving the Greater Seattle area for more than 30 years. We specialize in concrete stormwater vaults, retaining walls, tilt‑up panels, post‑tensioned decks, pan filled decks, and a full range of structural concrete systems. We deliver high‑quality work supported by skilled crews, modern equipment, and a commitment to precision, safety, and partnership.
Our extensive fleet of owned equipment — including, but not limited to, two knuckle‑boom cranes, gang‑form systems, and shoring systems — allows us to maintain full control over scheduling and productivity. This ensures projects are completed on time, within budget, and to the highest standards of quality.
We work closely with our clients throughout the process, offering value‑engineered options that reduce cost while maintaining structural performance and long‑term durability.
Construction of concrete stormwater vaults, detention vaults, and sand filters. Our services include turnkey construction including valued engineering, design (if applicable), formwork, reinforcement, watertight concrete placement, furnish and install hollow-core panels, or structural slabs, and access hatches.
Turnkey construction of elevated post-tensioned & structural slabs systems, including installation of shoring, supply and install of PT cable tendons, reinforcement, formwork systems, stressing operations, and concrete placement. These systems are commonly used in multi‑story buildings, podium structures, and parking facilities.
Turnkey construction of structural concrete tilt-up panel systems including concrete placement, reinforcement, lifting inserts, bracing, and crane services for panels erection. These systems are idea for warehouses and commercial buildings requiring efficient, cost‑effective construction.
Site concrete to include – retaining walls, pond walls, planter & bio walls. Services include formwork, reinforcement, and quality finishes. Please note we do not specialize in exterior flatwork concrete such as sideways and paving
Ready to start your project?