About Us

Why Choose OJ Specialty Contracting?

At OJ Specialty Contracting, we make specialty contracting simple, reliable, and stress-free. From firestopping and mechanical insulation to coatings and sealants, our highly trained team delivers expert solutions for commercial and residential projects across California.

As a proud division of OJ Insulation, we carry forward a reputation built since 1984—one of California’s most trusted names in insulation and specialty services. Headquartered in Escondido, we partner with builders, contractors, and property owners statewide to ensure every project is completed with precision, quality, and care.

What sets OJ Specialty apart?

• Specialized Expertise – Firestopping, mechanical insulation, coatings & sealants done right.
• Easy Contracting – Streamlined processes that save you time and hassle.
• Proven Experience – Decades of knowledge backing every job, big or small.
• Service-Driven Team – Professional, responsive, and committed to your success.

Whether you’re managing a multi-family development or a single residential build, we’re here to help you protect your investment and meet code requirements with confidence.

Ready to get started? Call us today for a free quote and discover why California builders trust OJ Specialty Contracting for superior service and results.