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Electrical Services in Castro Valley, CA
Quality Electrical Solution (QES) is your licensed C-10 electrician serving Castro Valley, CA and the I-580 corridor. We design and install complete systems—electrical, solar + battery storage (including Tesla Powerwall 3 and Enphase), EV charging, and standby generators—all performed by our in-house crew (no subcontracting). Whether you’re upgrading a panel for a new EV, adding circuits and lighting during a remodel, or right-sizing solar + storage to ride through PG&E outages, we handle everything start to finish. We pull permits with Alameda County and coordinate utility shutoffs/reconnects, delivering tidy, code-compliant work that passes inspection the first time—backed by clear options, clean workmanship, and a local team that shows up when promised.
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Why Homeowners & Businesses in Castro Valley Choose QES
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Licensed C-10 electrical contractor
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Residential and commercial capabilities
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In-house installs for solar and batteries (no subcontracting)
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We pull permits and coordinate with PG&E for panel/service upgrades
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Personalized estimates — we speak with you first so we design for today and future loads (EV, solar, battery, HVAC).
Comprehensive Electrical Solutions We Provide
Residential Electrical Services in Castro Valley
Whether you’re building new, doing a major remodel in Castro Valley, or just need safe, code-compliant electrical work, QES delivers end-to-end solutions.
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Home Battery & Backup Battery
Pairing solar with batteries keeps your home running. QES installs Enphase IQ batteries, plus Tesla, SolarEdge and LG systems. We design for: critical loads, full-home backup, or PV self-consumption.
Electrical Panel & Main Service Upgrades
Older Castro Valley homes adding EVs, solar, batteries or HVAC often need more capacity. QES manages the entire process so your project doesn’t get stuck in approvals.
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EV Charger Installation in Castro Valley
Adding a Level 2 charger? We’ll check your panel capacity, run the new circuit, and make sure the installation matches current code so you can charge safely and quickly. Ideal for Tesla, Ford, Rivian and workplace charging.
Solar for Castro Valley Homes & Businesses
As a licensed electrical contractor first, we design solar systems around your actual usage. We help you navigate NEM 3.0, federal tax incentives and pair solar with storage for better payback.
Commercial Electrical in Castro Valley
For tenant improvements, retail build-outs, lighting retrofits, control systems, and distribution/service installations, QES brings the same residential attention to detail to commercial projects.
Recent Reviews
“I would give these guys 10 stars if I could. I had a wiring issue at home and Dan was able to solve it immediately. My problem was fixed before other companies even responded back to me.”
Jeremy D
“Did a great job! Explained everything they were going to do, cleaned up behind themselves, and the price was very reasonable too! Thank you!”
Pamela M
“Responsive to communication, competitive pricing, great work ethic. They installed my Tesla wall charger and I couldn't be happier. They will be getting my future electrical project.”
Alex T