Business Details
50+ Years
experience
Trusted Mechanical Contractors in Silverdale, WA
Stirrett Johnsen, Inc. has been a leader in mechanical contracting since 1972, delivering high-quality systems across Washington State and select out-of-state projects. Our expertise spans healthcare, education, industrial, and commercial sectors, supported by in-house engineering, design, and coordination teams. With over five decades of experience, we prioritize craftsmanship, innovation, and client satisfaction, maintaining long-term relationships with repeat customers. Our commitment to excellence is reflected in our ICRA certification, LEED project contributions, and specialized services like medical gas systems and Legionella prevention. We leverage advanced technology, including Revit and Navisworks, to ensure precision in design-build and design-assist projects.Our prefabrication capabilities reduce on-site labor by up to 40%, enhancing efficiency and accuracy. Recognized by industry leaders like Amazon and Franciscan Health, we combine hands-on management with a lean culture to deliver complex projects on time and within budget. Our team of licensed engineers, certified welders, and skilled mechanics upholds a legacy of integrity and technical excellence. Community-focused, we support local initiatives through volunteering and partnerships. As a family-oriented company, we foster a collaborative environment where employees are valued and empowered to grow.
Services
Mechanical Contracting
Healthcare Systems
Industrial Projects
Design-Build Solutions
Prefabrication
Medical Gas Systems
Water Features
LEED Certification Support
Details
- Year established: 1972
Highlights and features
- We offer 50+ years of experience in mechanical contracting across complex sectors.
- Our in-house engineers and certified welders ensure precision and compliance.
- We maintain ICRA certification for healthcare construction safety and quality.
- Our team has contributed to over 50 LEED-certified projects for sustainability.
- We deliver 40%+ prefabrication to reduce on-site labor and enhance accuracy.
What people say
Exceptional quality
Top-notch contractor
Highly cost-effective
Trusted partner
Perfect choice
Services
Mechanical Contracting
Stirrett Johnsen provides comprehensive mechanical contracting for commercial, healthcare, and industrial projects. Our services include system design, installation, and maintenance of plumbing, HVAC, and specialized gas systems. Clients benefit from our in-house engineering expertise and advanced coordination tools like Revit and Navisworks.
Healthcare Systems
We specialize in healthcare mechanical systems, including medical gas, infection control, and critical infrastructure. Our ICRA-certified team ensures compliance with stringent healthcare codes while working in occupied facilities. Projects include St. Anthony Hospital and outpatient clinics with complex regulatory requirements.
Design-Build Solutions
Our design-build services combine engineering, procurement, and construction under one team. This approach streamlines timelines and budgets, as demonstrated in projects like PremierE on Pine and Amazon Block 34. Clients gain a single point of accountability for complex developments.
Prefabrication
We utilize prefabrication to achieve 40%+ labor efficiency, producing precision components in controlled environments. This reduces on-site delays and waste while ensuring quality. Our spooling and VDC-driven processes support large-scale projects like high-rise residential buildings.
LEED Certification Support
Stirrett Johnsen contributes to LEED-certified projects through energy-efficient mechanical designs and sustainable material practices. Our team has supported over 50 LEED projects, integrating systems that meet environmental goals without compromising performance or budget.
People
Steve Stirrett
Principal
Steve Stirrett co-owns Stirrett Johnsen, leading operations since 2000. With decades of experience in mechanical contracting, he emphasizes hands-on management and client collaboration. He champions innovation in design-build projects and sustainable practices.
Greg Dehnert
Former Principal
Greg Dehnert led the Special Projects Division, bringing 30 years of project management expertise. He retired in 2022 after enhancing the company's ability to handle urgent, complex tasks in occupied spaces. His legacy includes client satisfaction and team development.
David Atkinson
Project Manager/Engineer
David Atkinson, a licensed mechanical engineer, oversees project execution from design to commissioning. He highlights Stirrett Johnsen's culture of trust and technical excellence, ensuring clients receive innovative solutions tailored to their needs.
Brandon Broga
Senior Detailer
Brandon Broga contributes to VDC and prefabrication efforts, leveraging advanced software to coordinate complex systems. His work ensures accuracy in projects ranging from healthcare facilities to high-rise residential buildings.
Lorraine Erickson
Chief Financial Officer
Lorraine Erickson, CPA, manages financial operations, ensuring fiscal responsibility and transparency. With over two decades at Stirrett Johnsen, she supports strategic growth while maintaining the company's commitment to client and employee welfare.
Questions
What industries does Stirrett Johnsen serve?
We serve healthcare, education, industrial, commercial, and military sectors with specialized mechanical systems.
Are you certified for healthcare projects?
Yes, we hold ICRA certification for infection control in occupied healthcare facilities.
Do you handle out-of-state projects?
Yes, while based in Washington, we take on select projects outside the state.
What LEED experience do you have?
We've contributed to over 50 LEED-certified projects, integrating sustainable mechanical solutions.
How do you ensure project accuracy?
We use prefabrication and VDC tools like Revit to achieve precision within fractions of an inch.
Can you manage emergency repairs?
Our Special Projects Division handles urgent diagnostics and repairs in occupied spaces.
