Coastline Electrical Group
Mario is named personally in nearly every review — customers flag his plain-language explanations as the reason they'd call him again.
Customers most often mention his communication style as the standout: he calls ahead, updates throughout, and explains technical decisions in plain language, which comes up independently from homeowners managing renovations, project managers running commercial fit-outs, and people who've never dealt with an electrician before. The business is only around two years old, so the review base is still building — 24 reviews is a reasonable but not exhaustive sample — yet the consistency across residential, commercial, and emergency work gives a clearer picture than a larger but mixed pool would. If you're managing a renovation or fit-out and need someone who communicates proactively, that's where the reviews are most emphatic.
What it's like working with them
Based on a sample of Google reviews (24 total)
“made sure everything was spotless before they left”
“he was able to fit in a last-minute install for the outdoor fan on the same day”
“Our home is now safe with our brand new switchboard”
What they help with
Based on what their customers hired them for
How they stack up
Context from 274 electricians in Central Coast
Credentials & background
Sourced from 5 public records so you don't have to look them up yourself
About Coastline Electrical Group
Mario leads Coastline Electrical Group handling everything from switchboard replacements and safety switch installations to full commercial office fit-outs, data cabling, and specialty work like sauna wiring and outdoor entertainment setups. Reviews suggest he operates across both residential and commercial projects on the Central Coast — Umina, Terrigal, and Gosford all get mentions — and he's equally comfortable managing a multi-trade renovation alongside builders as he is squeezing in a last-minute ceiling fan install during summer. What stands out most from cross-referencing the reviews is Mario's habit of walking customers through the work as it progresses: multiple homeowners with no electrical knowledge specifically mention he explained everything clearly without being condescending, which is unusual in a trade where jargon is the default. His team leaves sites clean at the end of each day — noted independently across both residential renovations and commercial fit-outs — and several reviews flag his troubleshooting as a money-saver, catching issues during a job that would have cost more to fix later. As a sole trader running a small crew, he's particularly well-suited to homeowners and project managers who want a single point of contact they can actually reach, rather than being handed off to a call centre.
Best for: switchboard upgrades in established homes, full commercial office fit-outs requiring data cabling and lighting, homeowners managing renovations who need a single point of contact, and urgent residential electrical issues on the Central Coast.
Location
Often needed together
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Claim This Profile — Free →Common questions about Coastline Electrical Group
What areas does Coastline Electrical Group service?+
Reviews mention jobs completed in Umina, Terrigal, and Gosford, suggesting coverage across much of the Central Coast. The business is based in Gosford, so surrounding suburbs are likely within reach. For locations further out, it's worth confirming directly with Mario before booking.
Does Coastline Electrical handle commercial work, or is it mainly residential?+
Both. Multiple reviews cover full commercial office fit-outs including data cabling, power, and lighting — one reviewer was a project manager with no prior fit-out experience who praised Mario for managing the complexity end-to-end. Residential renovation electrical, switchboard upgrades, and smaller home jobs are also well-represented in the reviews. If your job is a mixed-use or staged project, the reviews suggest the team is comfortable moving between both.
How does Mario handle urgent or last-minute electrical jobs?+
Several customers specifically mention same-day availability for urgent work — one reviewer had Mario arrive after a house flood, another had a last-minute outdoor fan added on the day of a TV installation. Reviews don't give detail on call-out fees for after-hours emergencies, so it's worth asking about that upfront if your situation is time-critical.
What do customers say about Coastline's pricing?+
A handful of reviews describe the quoting as competitive and transparent. One customer noted Mario's troubleshooting saved them money by identifying issues early. There's no pattern of pricing complaints across the 24 reviews, and one review specifically calls the work 'affordable.' For an accurate quote, reviews suggest Mario responds quickly and explains the scope clearly before work starts.
Is there a specific person I'll be dealing with, or does the business send different tradespeople?+
Mario is named directly in the vast majority of reviews and appears to be the primary — and often sole — technician on jobs. A small number of reviews mention 'the team,' indicating he does work with others on larger jobs, but the personal-contact experience is consistently highlighted as a reason customers recommend the business. As a sole trader operation, you're unlikely to be handed off mid-project.