

Woo's 5.0/5 rating across 79 reviews demonstrates consistent excellence over 12 years in Honolulu. As a licensed, bonded, and insured contractor who prioritizes code compliance, they're held accountable to Hawaii's building standards while offering free estimates and emergency service.
Woo's Electrical Service is a licensed electrical contractor serving Honolulu, HI. Their perfect 5-star rating across 79 reviews reflects their commitment to quality service. They handle a wide range of electrical projects for residential and commercial properties, from panel upgrades and outlet installation to full rewiring and electrical inspections. Their licensed electricians ensure all work meets local code requirements and is completed safely. Frequently Asked Questions: Q: When do I need a licensed electrician in Honolulu? A: In Honolulu, most electrical work beyond basic bulb replacement legally requires a licensed electrician. This includes panel upgrades, adding circuits, installing outlets, and any work touching your main electrical service. Unpermitted work can affect home sales and insurance coverage. Q: How much does electrical panel replacement cost in Honolulu? A: Panel upgrades in Honolulu typically range from $1,500 to $4,000 depending on the amperage and complexity of the job. A 200-amp upgrade is the most common, especially in older homes being modernized. Q: How do I know if I have outdated or unsafe wiring in my Honolulu home? A: Warning signs include flickering lights, frequently tripping breakers, two-prong ungrounded outlets, and aluminum wiring common in homes built before 1975. A licensed electrician can perform a whole-home inspection to identify hazards and recommend updates.
Data updated Apr 13, 2026
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