Full-service construction, built on integrity.
GreyLine Construction proudly serves all of Idaho with ground-up residential and commercial construction, foundation repair, insurance restoration, and everything in between, done right the first time.
Serving All of Idaho
GreyLine Construction is based in Twin Falls, Idaho, with a core service area covering an 80-mile radius, including Buhl, Jerome, Gooding, and the rest of the Magic Valley, where we offer the fastest response times. We also take on residential and commercial projects statewide, from the Treasure Valley to Eastern Idaho and the Panhandle.
- Magic ValleyTwin Falls, Buhl, Jerome, Gooding, Wendell
- Treasure ValleyBoise, Nampa, Meridian, Caldwell
- Eastern IdahoIdaho Falls, Pocatello, Rexburg
- North IdahoCoeur d'Alene, Post Falls, Sandpoint
Built on integrity, one project at a time
GreyLine Construction was founded with a simple goal: provide dependable construction services built on integrity, quality craftsmanship, and honest communication. After years of hands-on experience in the construction industry, we recognized a need for a contractor that prioritizes doing the job right over simply getting it done quickly.
From residential repairs to commercial construction and structural projects, our company was built on the belief that every customer deserves reliable service, clear communication, and lasting results.
- ✓Quality craftsmanship over shortcuts
- ✓Honest, transparent communication
- ✓Licensed, insured & bonded
- ✓Every project treated as if it were our own
To become Idaho's most trusted construction company by setting the standard for professionalism, innovation, and customer satisfaction, building structures and relationships that stand the test of time.
Residential & commercial construction, done right
From foundation repair to full custom builds, across Idaho.
Foundation & Structural
Foundation repair & stabilization, helical pier installation, structural repairs, and crawl space repairs.
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New Construction, Additions & Remodels
Ground-up new construction, home additions, remodels & renovations, framing, and custom carpentry.
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Concrete, Excavation & Outdoor Living
Concrete installation & repair, excavation & site prep, retaining walls, decks & patios.
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Restoration & Exteriors
Insurance restoration, water damage reconstruction, roofing, siding, and window & door installation.
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Commercial Services
Commercial tenant improvements and project management & consulting.
Learn more →Committed to professionalism & accountability
We're not the cheapest contractor, and we don't strive to be. Every estimate is detailed and straightforward. Estimates are based on the agreed scope and visible site conditions. Additional work or unforeseen conditions may require a change order, approved before the additional work proceeds.
Questions we hear a lot
Still curious? Give us a call. We're happy to help.
Where strength meets precision.
Let's build it right.
Request a free, no-pressure estimate, or give us a call to talk through your project.
Estimates are based on the agreed scope and visible site conditions. Additional work or unforeseen conditions may require a change order, approved before the additional work proceeds. Engineering, permits, and inspections are completed as required by local jurisdictions. Insurance restoration work is performed in accordance with applicable policy approvals.