About Brennan Electrical | Family-Owned

Our Story

Brennan Electrical didn't start in a boardroom. It started with a toolbelt, a work truck, and a commitment to doing things the right way.

Greg Brennan has been an electrician for over 30 years. After years of honing his craft working in the field, he earned his contractor's license in 2008 and officially launched Brennan Electrical in 2012, alongside his wife, Jennifer Brennan. Together, as equal owners, they built a company grounded in the values they live by every day: honesty, hard work, and treating every customer like family.

What began as a small family operation has grown into a trusted full-service electrical contracting company serving homeowners, businesses, property managers, and general contractors across the San Gabriel Valley and greater Southern California. We've never lost sight of what made us successful: genuine relationships, quality craftsmanship, and a handshake you can count on.

“genuine relationships, quality craftsmanship, and a handshake you can count on.”
Brennan Electrical

Our Mission

“To deliver honest, high-quality electrical work that keeps our customers safe, their properties running, and their trust in us unwavering. We treat every project, big or small, with the same care and craftsmanship we would bring to our own home.”

Why Clients Stay

Working With Us

In an industry where it can be hard to find someone you trust, Brennan Electrical has built a reputation that speaks for itself. Our commercial clients frequently name us as their preferred electrical vendor after a single project, and our residential clients call us back year after year.

We show up and we deliver

Our team is known for completing projects efficiently and on schedule, without sacrificing quality.

We communicate openly

No surprises, no hidden fees, no runaround. We keep you informed every step of the way.

We care about the work

Every wire, every connection, every panel is installed with precision because we take pride in what we do.

We earn your trust

We don't ask for loyalty. We earn it, one job at a time.

Leadership

Meet the Owners

Greg & Jennifer Brennan

Owners

Brennan Electrical is led by the husband-and-wife team of Greg and Jennifer Brennan. Married for over 23 years, they have built more than just a business, they've built a legacy of trust and commitment in the Southern California community.

Greg brings over 30 years of technical mastery as a licensed C10 and A contractor, while Jennifer drives the company's operations and client relationships with a focus on responsiveness and integrity.

As equal owners, they push each other to maintain the highest standards of excellence. Their shared values of commitment, hard work, and family are the foundation of every project Brennan Electrical takes on. When you hire us, you're not just getting a contractor; you're getting the personal dedication of a family that stands behind their name.

Greg & Jennifer Brennan, Owners at Brennan Electrical

How It Works

Three Steps to Done

Request Your Free Estimate

Call us or send the form. We'll talk through your project and provide an honest, upfront estimate at no cost.

Approve the Plan

We explain the scope and price clearly before any work begins. No surprises, no hidden fees, no runaround.

We Get It Done

Our team shows up, delivers quality work on schedule, and leaves your property safe and running right.

Ready to Get Started?

Whether it's a quick repair or a large-scale project, contact us today for a free estimate.

Get a Free Estimate (909) 305-4700

The Glendora electricians your neighbors recommend