- 25021 Oneil Ave Hayward CA, 94544
B&B Welding & Fabrication Service Corp is a family-owned welding and structural steel fabrication company based in Hayward, CA. Rooted in craftsmanship, integrity, and three decades of hands-on industry experience, we serve homeowners, architects, and general contractors across the Bay Area — from Atherton and Hillsborough to Piedmont, Saratoga, and Tiburon.
Every project — whether a custom iron estate gate, ornamental railing, or structural steel beam — is treated as part of our legacy. We work hand in hand with our clients to deliver metalwork that is precise, durable, and built to last
Precision, durability, and attention to detail — on every project, every time
From ornamental iron gates and railings to structural steel beams and frames — fully tailored to your project and built to California code
Our mission is to deliver bespoke welding and structural steel fabrication services that align perfectly with each client’s vision, expectations, and needs. With over 25 years of experience serving the Bay Area, we combine proven expertise with a personal, hands-on approach — ensuring every gate, railing, fence, or steel structure we build reflects our unwavering commitment to quality.
Precision-built metalwork and structural steel — crafted for luxury Bay Area homes, estates, and commercial projects.
From ornamental ironwork in Hillsborough to structural steel fabrication in Saratoga — tailored to your needs and built to last.
We aim to grow responsibly as a Bay Area family business — creating meaningful local jobs, building lasting relationships with clients and partners across Alameda, San Mateo, Santa Clara, and Marin counties, and leaving a legacy of quality craftsmanship for generations to come.
We build responsibly — creating Bay Area jobs, nurturing long-term client relationships, and growing a business guided by family values.
From our Hayward shop to luxury estates across the Bay Area — we grow thoughtfully, deliver with integrity, and build relationships that last.
At B&B Welding, family unity is at the heart of everything we do. We operate with honesty, kindness, and a deep sense of purpose — every team member contributes their unique skills to projects we’re proud to put our name on. We warmly welcome new clients, partners, and collaborators as we continue to grow across the Bay Area.
Honesty, kindness, and craftsmanship — the values that guide every weld, every project, every relationship.
A united team grounded in compassion and quality, building meaningful work for Bay Area clients and future generations alike."
We discuss your project requirements, evaluate your needs, and provide expert recommendations and solutions tailored to your goals.
We discuss your project requirements, evaluate your needs, and provide expert recommendations and solutions tailored to your goals.
We discuss your project requirements, evaluate your needs, and provide expert recommendations and solutions tailored to your goals.
We discuss your project requirements, evaluate your needs, and provide expert recommendations and solutions tailored to your goals.
Every project starts with a conversation. We meet with you — whether you’re a homeowner in Piedmont, a contractor in Palo Alto, or an architect in San Francisco — to understand your goals, site conditions, and design requirements. We provide honest recommendations and a clear project timeline before any work begins.
Clear communication about your project vision
On-site evaluation and structural requirements review
Transparent planning and project timeline
Once we understand your needs, our team develops a custom design — whether that’s an ornamental iron driveway gate, a structural steel moment frame, or decorative balcony railings. We finalize measurements, material selections, and finishing options so the end result matches your vision exactly
Custom designs based on your specifications
Accurate measurements for perfect fitting
Material and finish options to complement your property
Our Hayward fabrication shop is where your project takes shape. Our certified welders and fabricators work with high-grade steel, wrought iron, and structural metals to produce components that are strong, precise, and built to California code. Every piece undergoes quality checks before it leaves our shop.
Certified welding for structural integrity and durability
High-grade materials — structural steel, wrought iron, and more
Quality inspections throughout the fabrication process
Our team handles professional on-site installation across the Bay Area — from Hayward and Fremont to Atherton, Hillsborough, and Marin County. We ensure every gate swings true, every railing is secure, and every structural element meets code. Final finishing is completed to a professional standard, ready for years of reliable performance.
Safe, accurate on-site installation throughout the Bay Area
Clean professional finish for a polished, lasting result
Verified code compliance and long-term performance guaranteed
We follow a clear, step-by-step process to ensure every project is completed with precision, quality, and your complete satisfaction.
We discuss your project requirements, evaluate your needs, and provide expert recommendations and solutions tailored to your goals.
Our team creates detailed designs and plans, customizing each element to match your specifications and vision.
