Your Home Journey Starts Here
Expert guidance for your real estate, smart home, and energy needs in the San Gabriel Valley
CalRE# 01951860
Licensed Agent
12+
Years Experience
SGV
San Gabriel Valley
Certified
Smart Home Expert
What we do
Find Your Dream Home
With over 12 years of experience in the San Gabriel Valley, Kofen Chang brings deep local knowledge and a personal touch to every transaction. Whether you are buying your first home or selling a cherished property, we guide you every step of the way.
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Live Smarter
Transform your home with intelligent automation powered by Home Assistant. From lighting and climate to security and entertainment, we design systems that simplify your daily life.
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Power Your Future
Go solar with confidence. As certified EG4 installers, we design and install battery storage and solar systems that reduce your bills and increase your energy independence.
Learn MoreWhat clients say
“Working with Kofen was transformative. Her knowledge of the San Marino market and her patience through our extended search made all the difference.”
Michelle Torres-Nakamura
San Marino · Real Estate
“Bryan designed an automation system that genuinely changed how we live. The lighting, climate, and security all work together seamlessly.”
Raj Venkataraman
South Pasadena · Smart Home
“The EG4 solar installation cut our electricity costs by 73% in the first year. We should have done this years ago.”
Claudia Reinholt
Arcadia · Energy
Get in touch
Have questions? Let's talk.
Our AI assistant Joy can help you explore options, answer questions about properties, smart home solutions, or energy systems, and schedule a time to meet.