Serving Bangor, Maine Since 1974

Building Trust for Over 50 Years

From traditional home construction & remodeling to innovative shipping container conversions, we deliver quality craftsmanship backed by five decades of experience.

Get a Free Estimate Our Services
50+
Years Experience
100s
Projects Completed
1
Standard: Excellence

What We Build

Whether you're dreaming of a new home, updating your current space, or exploring innovative container construction, we have the expertise to make it happen.

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New Construction

From foundation to finish, we bring your vision to life with quality craftsmanship and attention to detail that stands the test of time.

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Remodeling

Transform your existing space with expert renovations. Kitchens, bathrooms, additions, and whole-home updates tailored to your needs.

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Container Renovation

Innovative shipping container conversions for homes, offices, workshops, and storage. Sustainable, cost-effective, and built to last.

Featured Specialty

Shipping Container Renovation

Shipping containers offer a unique, sustainable approach to construction. We transform these durable steel structures into comfortable, functional spaces for living, working, and storage.

With proper insulation, finishing, and systems integration, container structures provide an affordable, eco-friendly alternative to traditional construction—without sacrificing comfort or quality.

  • Custom floor plans and layouts
  • Full insulation and climate control
  • Electrical and plumbing integration
  • Interior finishing to your specifications
Lowering container at site

Endless Possibilities

From small to large new building and renovation projects, we handle it all. Be it standard stick-built construction, remodeling, container construction, or otherwise, we work with you to design and build exactly what you need.

  • Foundation and site preparation
  • Multi-container configurations
  • Office, workshop, and living spaces
  • Eco-friendly building options
Discuss Your Project
Kitchen remodel
Welcome to Bangor

Five Decades of Craftsmanship

Since 1974, John Caldwell Contractor has been building homes and trust throughout the Bangor, Maine area. What started as a one-man operation has grown through reputation alone—built on quality work, fair dealing, and standing behind every project.

Over the years, we've adapted to changing times while maintaining the timeless values that matter: honest communication, skilled craftsmanship, and treating every project—big or small—with the same dedication to excellence.

Today, our expertise in shipping container renovation represents our commitment to innovation while our traditional construction services continue the legacy of quality that's defined us for over 50 years.

Let's Talk About Your Project

Whether you have a clear vision or just an idea, we're here to help. Reach out for a free consultation and estimate—no pressure, just honest advice from someone who's been doing this for over 50 years.

Phone
207-991-4332
Service Area
Bangor, Maine Area & Surrounding Communities

Ready to Start?

Give us a call or send an email with some details about your project. We'll get back to you promptly to schedule a time to discuss your ideas and provide a free estimate.

Call 207-991-4332 Send Email