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Information

Founded In: 1997
Annual Vol: $1 million - $3 million

Our Story

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Keystone Construction Co. has been in business since 1997.

Our main lines of business include: Concrete Contrs.--Reinforced Concrete, Concrete--Post-Tensioning, Concrete--Precast-Arch. & Struct..

We are located in the Maple Valley, Washington area.

Project Experience

Labor:
Union Non-Union Prevailing Wages (Davis Bacon)
Service Sector:
Public Private
Project Types:
New
Project Size:
From $15,000 to $5,000,000
Commercial
Bridge
Gas Station
Retail Store
Road / Highway
Utilities
Jail / Prison
Arena / Stadium
Parking Garage
Mixed Use
Storage Facility / Warehouse
Theater
Design Build
Parking Lots
Tunnel

Service Areas

Associations & Memberships

Member of Associated Builders and Contractors ABC ABC