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Custom Steel Buildings

Welcome to Sentry Builders, where your vision for custom steel buildings comes to life. Specializing in designing and constructing versatile, durable, and entirely customized steel structures, Sentry Builders is the go-to expert for anyone seeking a building solution that perfectly matches their unique requirements. Whether you envision an expansive aircraft hangar, a cozy residential workshop, or any structure in between, our team is committed to transforming your ideas into reality.

Why Choose Custom Steel Buildings?

  • Durability and Longevity: Steel’s robustness ensures that your building withstands time and elements, offering superior durability against weather, fire, pests, and decay.
  • Flexibility for Any Application: Steel’s versatility enables limitless design possibilities, ensuring that every building is uniquely suited to its owner’s needs.
  • Cost-Efficiency Over Time: With lower maintenance requirements, energy efficiency, and quicker construction times, steel buildings provide significant savings in the long run.
  • Eco-Friendly Choice: As the most recycled material on earth, steel is an environmentally responsible option for construction, contributing to a sustainable future.

Tailored Solutions from Sentry Builders

Sentry Builders prides itself on delivering custom steel buildings that don’t just meet but exceed expectations in functionality and aesthetics:

  • Residential workshops: We specialize in residential workshops! With our steel workshops and garages, we blend comfort with the unmatched durability of steel.
  • Agricultural Facilities: Durable barns and storage units designed to support the hardworking agricultural community.
  • Commercial Spaces: Custom designs that elevate your business, from sleek office buildings to functional retail spaces.
  • Community and Recreational: Event venues, sports facilities, and community centers that bring people together in spaces built to last.

The Sentry Builders Difference

Personalized Design Journey: Collaborate in-person with our experts to ensure your vision is captured and reflected in every aspect of your building’s design. You’ll talk to a real person face-face, eye-to-eye during every step of the process.

Advanced Engineering and Technology: Utilizing cutting-edge technology and engineering practices, we guarantee safety, efficiency, and sustainability.

Smooth and Seamless Construction: From permitting to the final inspection, our team ensures a hassle-free build, managing every detail with precision.

Dedicated to Satisfaction: Your satisfaction drives us. We aim to not only meet but exceed your expectations, delivering a custom steel building that perfectly suits your needs.

Our Process

  • Initial Consultation: Your vision is our blueprint. Discuss your needs and dreams with our team to start shaping your project.
  • Tailored Design Creation: Leveraging your input face-to-face with a real person, our designers craft a building plan that embodies your specific requirements and aspirations.
  • Efficient Permitting and Engineering: We navigate the technicalities of building codes and permits, ensuring your project complies with local regulations.
  • Expert Construction: Our experienced construction team brings your design to life, focusing on quality, efficiency, and attention to every detail.
  • Project Completion: We’re not finished until you’re satisfied, ensuring your new steel building meet your standards.
  • We Stand Behind our Work: We want your building to meet your expectations. If you have any concerns, reach out to us and we’ll be happy to make things right!

Build Your Dream with Sentry Builders

Embark on a building journey with Sentry Builders and witness the realization of your custom steel building dream. With our dedication to quality, customization, and client satisfaction, we’re here to deliver a structure that aligns with your needs, lifestyle, and business goals.

Contact Sentry Builders today to discuss your custom steel building project. Together, let’s create a space that’s as unique and enduring as your vision.

Custom Steel Building Pricing

Contact us today for an in-person consultation to discuss your needs for you custom steel building. You’ll receive a quote for a building that’s sure to meet your exact needs. Unless your needs differ, all of our quotes include:

  • Complete steel building package with engineered plans ready to submit to building department, delivery included.
  • Concrete foundation design & engineering stamped, sealed and certified by an AZ certified engineer. (Required by County / City Building Dept.)
  • Local building department.  Requirement verification and permit processing labor  (does not include permit fees).
  • Dirt Work and excavation – Leveling (within 4″, more at additional cost), and excavation of foundation
  • Concrete work — 1′ x 1′ 6″ steel reinforced foundation with 4″ thick 3000# psi floor slab poured on compacted base.
  • Clopay Commercial-Industrial insulated sectional overhead door – 12’x14′ (includes installation).
  • 3’x7′ Insulated steel walk-through door with weather strip, threshold and commercial lockset with deadbolt (includes installation).
  • Standard Insulation 4″ R-13 roof and 3″ R-10 wall insulation (includes installation).
  • Building erection equipment and labor to fully erect and complete your new building.


Q: How quickly can my steel building be constructed?

A: Project timelines vary based on design specifics and site readiness, but our team is dedicated to efficient, timely completion and we strive to provide the highest level of communication about timelines during your project.

Q: Can I modify the interior layout in the future?

A: Yes, the versatility of steel construction allows for interior modifications to adapt to your changing needs.

Q: How do these buildings hold up in the Arizona heat?

A: Our steel buildings are specifically designed with materials and features that combat the heat, keeping the interior more comfortable.

Sentry Builders LLC

42802 N Kenworthy Rd,
San Tan Valley, AZ 85140

  • Monday-Thursday 6.30am – 4pm
  • Friday 6.30am – 3pm