Welcome to Trinity Gate, the Pacific Northwest’s premier provider of automated security gate, access control, and perimeter security solutions. While we offer expert installation services, our core focus is on delivering comprehensive maintenance plans designed to keep your systems running reliably year-round. We proudly serve industrial, energy infrastructure, commercial, and residential clients with routine maintenance, responsive repairs, and system upgrades. Whether you’re a business owner looking to protect your property or a homeowner seeking lasting peace of mind, Trinity Gate is your trusted partner in long-term security system performance.
Securing Washington
Since 1979
Trinity Gate provides quality Gate Repair and Installation Services in the Pacific Northwest.
AboutContact UsYour Premier Gate Company in Seattle
40+ Years Experience
30+ Trusted Manufacturers
Countless Projects Completed
Servicing All of Washington State
Gate Repair and Installation Services
New Gate and Operator Installs
We are a full service Electrical general contractor specializing in all aspects of perimeter security. We use our experience and knowledge procuring the best in automated security gate, access control and perimeter security systems that are tested, certified and guaranteed while being completely modular and customizable for the most rapid and effective installations.
Preventive Maintenance Inspections
We offer preventive maintenance inspections to ensure that your automated security gate and access control systems remain in optimal condition all year. Trinity Gate Field Service Technicians will perform a full range of maintenance services including lubrication, safety testing and more.
Why Work With Trinity Gate
Quality. Reliability. Experience.
Quality
Combining product innovation and expertise to provide turnkey reliable automated gate, access control and perimeter security solutions.
Reliability
Trusted by customers for over 40 years to provide reliable services and high quality products from trusted brands.
Experience
Our 40+ years of experience has made Trinity Gate more effective and efficient enabling us to build trust with our clients and deliver on our promises to them.
Reliable Gate Experts
Given our extensive experience we understand the rapidly evolving security requirements of high-risk industries and infrastructure. Our highly specialized team has diverse and extensive skill sets from manufacturing and solution engineering to product integration, project and program management.
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Industrial Property Owners
We understand that security is an essential part of operations for industrial property owners. Our security gates and access control systems are designed to secure the premises and restrict access to unauthorized personnel. We specialize in crash rated barrier gates.
Energy and Infrastructure
We specialize in developing and implementing sector-specific solutions to meet unique requirements. We combine market leading products and technologies to defend and protect high risk industries such as oil, gas, energy sites, data centers, and other critical infrastructure mitigating risk and protecting against security threats.
Commercial Property Owners
We offer a variety of security gates for commercial properties, including sliding gates, swing gates and traffic control gates. We work closely with Multi-Unit/Family Management companies, HomeOwners Association, Storage Facilities, and various other management companies to understand your property’s security concerns and install a system that meets those requirements.
Residential Homeowners
Residential gates not only protect the home but give the homeowner peace of mind. We collaborate with your home builder or designer to create custom gates that meet their specific requirements, budgets, and style preferences.
Browse Our Selection Of Gate Parts and Accessories
Trinity Gate sells a wide selection of gate products and accessories including gate operators, cameras, keypads, alarms, receivers, and more. Browse our selection today!
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Find us in your city!
- Seattle
- Redmond
- Kirkland
- Bellevue
- Sammamish
- Enumclaw
- Maple Valley
- Puyallup
- Tacoma
- Renton
- Shoreline
- Issaquah
- Mercer Island
- Bothell
- Black Diamond
- Bonney Lake
- Buckley
- Auburn
- Kent
- Federal Way
How Can We Help You?
