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Licensed Master Electrician in Glendora.
Serving homes & businesses with safe, reliable, and affordable electrical solutions for over 30 years.
WHAT WE DO
Comprehensive Electrical Solutions for Every Need
About Me
Dedicated to Powering Glendora for 30+ Years
Founded by me, Frank Chiavarini, Interstate Electrical Contractors has proudly serving Glendora and surrounding communities since 1981. My mission is simple: provide dependable, high-quality electrical services that keep your home and business safe.
As a licensed master electrician, I bring deep expertise, honest service, and fair pricing to every project. Whether it’s upgrading your panel, installing energy-efficient lighting, or handling urgent repairs, you can count on me to get it done right — the first time.
Schedule Consultation
Contact us to discuss your electrical needs, budget, and timeline—ensuring a tailored, reliable, customized solution for every project.
Ongoing Support
We provide follow-up, maintenance, and emergency assistance—keeping your electrical systems reliable and worry-free.
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Expert Installation
Our licensed electricians deliver safe, efficient, and code-compliant work—completed on time, with minimal disruption.
OUR PROCESS
A Simple Three-Step Process for Reliable Service
250+
Completed Projects
200+
Satisfied Clients
30+
Years of Experience
24/7
Service Available
CLIENT STORIES
Hear From Our Many Satisfied Clients and Customers
Used Frank for the 4th time and was just as pleased with his work as the previous jobs that he performed for me...
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Maggie Madorsky
I needed my 240v receptacle checked to make sure everything was in good working order for my EV...
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Derek Sanchez
Frank is very knowledgeable, fair and honest. He takes a lot of pride in his workmanship and explains everything...
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Lili Beth
CELEBRATING OVER 40 YEARS IN BUSINESS WITH
$40 OFF YOUR SERVICE
Valid on any job $200 or more when you mention this ad first!