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Locally Trusted Since 1952

Founded in 1952, Rathjen Construction brings decades of hands-on experience, local knowledge, and trusted workmanship to projects throughout Southwest Colorado. With a strong background in excavation, grading, asphalt road building, utility support, infrastructure development, and general construction, Rathjen Construction has built a reputation for dependable service and practical solutions tailored to the unique terrain and conditions of the region. From custom home projects and private communities to large-scale site development, the company combines generations of industry expertise with a commitment to quality, efficiency, and long-term relationships.

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Workers laying down black asphalt on a dirt road surrounded by tall pine trees, with a cloudy sky overhead.
Man operating a yellow Caterpillar road roller compacting freshly paved black asphalt on a sunny day, surrounded by a forest of pine trees.
A bulldozer spreading fresh black asphalt onto a road in a forested area with trees in the background.
Worker with a gray hoodie and jeans operating a machine to lay fresh asphalt on a road during daytime, with trees in the background.
A group of people working on paving a road through a forest, with trees and pine in the background.
A worker in a blue shirt and beige pants is working on a large white construction truck, possibly repairing the tire or inspecting it. The truck is on a dirt ground with trees and power lines in the background.

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