Steel Erection & Metal Construction for San Francisco & Bay Area

Call us today at (707) 573-0742

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The Company

Ahlborn Structural Steel, Inc. is an erection company specializing in various industries such as commercial, industrial, hospitals, schools, and bridges. Our experienced team is proud to serve companies who want quality steel and erection work in San Francisco and the greater Bay Area.  We install an array of miscellaneous metal work (railings, screens, balconies, awnings, solar, and stairs) as well as structural steel erection. We thrive on customizing tailor-made solutions to structural designs. From small custom assemblies to large-scale steel structures, we have the capacity to build it on time and on budget.  We are proud to have the following American Institute of Steel Construction Certifications:

  • AISC Certified Steel Erector (Advanced) (CSEA)
  • AISC Certified Building Fabricator (BU)
  • AISC Seismic Erection Endorsement (SEE)


The Vision

With determination and dedication, we aim to surpass our customers and general contractors’ expectations each and every time regardless of the project’s size or type.

Our clients and projects are always our top priority. With inexhaustible resources of erection equipment, years of industry experience, and a professional work force, Ahlborn Structural Steel's commitment to quality steel construction is unparalleled. The team of Ahlborn Structural Steel is dedicated to raising the standards for all steel erectors in San Francisco and the Bay Area. It is not just exceptional quality work we are after, we also believe in old fashioned customer service. Our staff is professional, knowledgeable, respectful, and safe.

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What We Do

We provide reliable, quality, and safe erection and steel work services to the commercial and industrial markets. San Francisco and the Bay Area is where we do most of our construction work from small to mid-rise buildings to schools, hospitals, and bridges.

Why We Do It

We love what we do! Working with steel and other metals is our passion. The more intricate or unique the job is, the more exciting it is for our team. We also bring a customized approach to every construction project.

How We Do It

We work hard to complete your project just as you and your structural designer envisioned it and within the allocated budget. We make it happen thanks to our experience, expertise, and great work ethics.

Why Clients Choose Us

Because we believe in making each client’s needs our priority, we create long term relationships based on trust and integrity. Clients, Project Managers, Architects, and Developers choose us because they know our great reputation.

Our Commitment to Safety

Our pledge to complete all projects with top quality in mind while adhering to strict safety procedures is a testament to our company’s unmatched safety commitment. Yes, safety is of the upmost importance to us.

Ahlborn Structural Steel, Inc. is a signatory contractor with the Field Ironworkers Union and employs seasoned, well trained Ironworkers who follow a well developed safety plan to ensure the safety of all employees, customers, and public. 

We would love to hear about your project and how Ahlborn Structural Steel can assist you. Do not hesitate to call us at (707) 573-0742 today or use our online form.

  • #1 Always follow OSHA's recommendations
  • #2 Recognize hazards ahead of time
  • #3 Take immediate action without delay
  • #4 Year-round safety training for our staff