Top Construction Contractors in Longmont, CO

A comprehensive list of Longmont, CO based commercial and residential building contractors and construction companies. Read unbiased customer reviews and recommendations of local contractors.
1 review
Western Refractory
42 Years
Emergency
1 review
Western Refractory specializes in industrial construction services for petrochemical, smelting, and power generation facilities. With 35+ years of experience and 20,000+ completed projects, we deliver refractory, mechanical, and structural solutions through a nationwide workforce. Our client-focused approach combines technical expertise with safety-first practices to meet project deadlines and budgets.
Refractory Construction Mechanical Services Civil Construction
Expert team Met deadlines Dedicated to success
5 reviews
Hall Irwin
50+ Years
5 reviews
Hall Irwin is a premier construction management firm specializing in vertical construction, land development, and specialized earthwork solutions. With over 60 years of experience, we deliver high-quality projects across Northern Colorado and the Front Range. Our client-centric approach prioritizes safety, innovation, and transparent communication to ensure successful project outcomes.
Commercial Construction Vertical Construction Land Development
Excited and vested in project Completed within budget Timely communication
Not rated yet
Turtle Creek Builders
28 Years
Not rated yet
Turtle Creek Builders specializes in residential construction and remodeling services across Denver and Boulder. With nearly 30 years of experience since 1998, we deliver high-quality home additions, kitchen and bath renovations, and basement finishing projects. Our client-centered approach combines detailed planning, premium materials, and transparent communication to ensure projects meet both budgetary and design goals.
Additions Kitchen Remodeling Bath Remodeling
Boulder (13.8 mi) Loveland (16.0 mi) Arvada (25.2 mi) Fort Collins (28.9 mi) Erie (8.5 mi) Berthoud (9.8 mi) Frederick (9.9 mi) Broomfield (17.0 mi) Milliken (17.2 mi) Brighton (19.5 mi)