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Gianni Electrical Service

Electrical Company in Charlotte, North Carolina. Serving Mint Hill and surrounding areas.

5.0on Google · 839 reviews
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  • Top 10 Winner
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    Key business information or ownership has been verified against a primary source.
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    The company currently appears in at least one active TenBestFind Top 10 ranking.
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Quick Overview

iHow this is made

This summary is generated from the verified data on this profile: services, service area, credentials, warranty terms and the company's Google review record. It is reviewed by an editor before publishing and refreshed whenever the underlying data changes. Nothing here is asserted that is not stated elsewhere on this page.

Editorial Standards →

Diagnostics and troubleshooting sit at the centre of what this North End firm does, with panel changes, service upgrades, EV charger installs, generator and backup power work, custom lighting and dock power filling out the rest of the list. The company describes itself as veteran-owned, family-operated, licensed and insured, founded by Jesse Mastrogianni, with more than 40 years of combined experience across the team and a five-year workmanship guarantee on most jobs. The Google Business Profile carried a 5.0 rating from 839 reviews when read on September 28, 2026, which is an unusually large review count for a residential electrical outfit of this size. Published hours run 7 AM to 5 PM Monday through Friday, with weekends closed, so this is a company for scheduled work and weekday faults rather than a 2 AM emergency call. Homeowners wanting a clear explanation before the work starts are the obvious fit.

  • Best for homeowners wanting diagnostics, panel upgrades or ev charger installs explained properly before work starts
  • 5.0 rating from 839 reviews on its Google Business Profile as of September 28, 2026
  • Published hours are weekday 7 AM to 5 PM, closed Saturday and Sunday, with no after-hours emergency service listed

Company Facts

Gianni Electrical Service at a Glance

By the numbers

Google rating
5.0out of 5
Customer reviews
839on Google

Rating and review count pulled from Google on September 30, 2026.

The work

Best for
homeowners wanting diagnostics, panel upgrades or EV charger installs explained properly before work starts
Primary service
Electrical

Where

Headquarters
Charlotte, NC
Service area
2 cities
Emergency service
Business hours only

Money and guarantees

Free estimates
Not advertised
Financing
Not advertised

Editorial Review

Our Take on Gianni Electrical Service

The review volume here is hard to ignore. A perfect 5.0 across 839 Google reviews suggests a company that has genuinely got the customer-facing side right, and the emphasis on diagnostics and permitting matches what Charlotte's older housing stock actually needs. The weekday-only hours are the real limitation, so treat it as a firm for planned work and daytime faults.

Best for: homeowners wanting diagnostics, panel upgrades or EV charger installs explained properly before work starts

What We Like

  • 5.0 rating from 839 reviews on its Google Business Profile as of September 28, 2026
  • Describes itself as veteran-owned, family-operated, licensed and insured, with 40-plus years of combined experience
  • States it handles permitting and inspections as part of the job scope
  • Dock power, lighting and boat lift wiring, useful for Lake Norman and Lake Wylie properties
  • Five-year workmanship guarantee claimed on most services
  • Strong focus on diagnostics and explaining options on site

Things to Consider

  • Published hours are weekday 7 AM to 5 PM, closed Saturday and Sunday, with no after-hours emergency service listed
  • Presents itself primarily as residential, so large commercial projects may not be the best fit
  • Licence details, insurance and guarantee terms are company claims and should be confirmed in writing
  • Two different phone numbers appear on the company website, so confirm which line is current

Google Reviews for Gianni Electrical Service

Customer ratings shown here come from Google. They are separate from our editorial review above.

Google rating

5.0

Based on 839 Google reviews

Review data updated September 30, 2026

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Rating Distribution

  • 5 stars100%
  • 4 stars0%
  • 2 stars0%
iAbout this distribution

The distribution reflects the 839 Google reviews available when this profile's review data was last refreshed on September 30, 2026. Ratings and counts change continuously on Google, so figures here may lag the live profile slightly. We publish only the values returned by the source, never estimates for missing bands.

Editorial Standards →

Ranked#5of 5 electricians in Charlotte, NCre-checked September 2026

Editorial Ranking

Why Gianni Electrical Service Made Our Top 5

It holds position 5 in Best Electricians in Charlotte, NC.

See the Full Charlotte RankingPositions cannot be bought

Areas Served

Based in Charlotte, NC.

iAbout service coverage

Coverage is as the business describes it, cross-checked against where its recent documented work is. A company will often travel beyond the areas listed here for a large job and decline a small one at the same distance, so confirm your address before scheduling.

Editorial Standards →

About Gianni Electrical Service

Residential electrical work in Charlotte covers a wider spread than people expect, and the service list here reflects that. Troubleshooting a circuit that trips for no obvious reason. Replacing a panel that has run out of space or has a brand of breaker nobody wants to see any more. Raising a service from 100 amps to 200 so a house can take a heat pump, a shop compressor and a car charger without complaint. Lighting design, recessed cans, outdoor fixtures. Generator and backup power. And dock power and lighting, including boat lift wiring, which puts this firm in a narrower group given how much of Mecklenburg and the surrounding counties sits on Lake Norman and Lake Wylie.

The shop address on Atando Avenue is in the industrial pocket of North End, just off Statesville Avenue and close to the I-77 and I-85 junction. That is a practical base for a company covering both the older neighbourhoods inside the 277 loop and the newer subdivisions pushing out toward Huntersville, Matthews and Fort Mill. Charlotte's housing mix matters to the work. Bungalows and mill cottages in Plaza Midwood, NoDa and Wesley Heights often still carry two-wire circuits, cloth insulation and ungrounded receptacles behind renovated finishes. Ranch houses from the 1960s and 70s in east and west Charlotte tend to need service upgrades and panel replacements. The 1990s and 2000s stock has different problems, usually undersized panels for how families live now, aluminium branch wiring in a few pockets, and outdoor circuits that were never really designed for a hot tub or a Level 2 charger.

What gianni electrical service says about its own process is worth reading before you call, because it sets expectations. The company describes on-site consultations where options get explained, a panel inspection on every home, permitting and inspections handled as part of the scope, and a turnkey approach to the whole electrical job. In Charlotte that permitting point is not decoration. Panel changes, service upgrades and most new circuits require a permit through Mecklenburg County Code Enforcement, and a Duke Energy disconnect and reconnect has to be coordinated for service work. An electrician who treats that as their paperwork rather than yours saves real aggravation.

The review record is the strongest single piece of evidence available. A 5.0 rating across 839 reviews on the Google Business Profile, read on September 28, 2026, is a lot of feedback for a residential firm, and maintaining a perfect average at that volume is uncommon. Take it for what it is, a very strong signal about customer experience rather than a technical audit, and still ask the questions you would ask anyone.

Who it suits: homeowners who want the diagnosis explained before money is spent, people planning a panel or service upgrade ahead of an EV or HVAC change, and lake property owners needing dock and lift power done to code. Who it suits less well: anyone with a Saturday night outage, since published hours are weekdays only with no after-hours availability listed. Larger commercial fit-outs may also be a stretch, given how heavily the company presents itself as residential, though its own summary does mention businesses.

Before booking, get a few things in writing. Ask whether the North Carolina electrical licence is held in-house and get the number, since the company states it is licensed and insured but a brief is not a licence check. Ask exactly what the five-year workmanship guarantee covers and whether it is separate from manufacturer warranties on panels, chargers and generators. Ask how diagnostic time is charged, whether that fee rolls into the repair, and what happens if the fault turns out to be in a Duke-owned section of the service. For an EV charger, confirm the load calculation, the breaker size, and whether the panel can take it without an upgrade. For dock work, ask about GFCI protection and bonding, because lake wiring has safety requirements that ordinary outdoor circuits do not.

Compared with the bigger Charlotte outfits running fleets and radio advertising, gianni electrical service reads as a smaller, owner-led operation where the founder's name is on the van and the diagnostic conversation is the selling point. That usually means better explanations and less upselling pressure, with the trade-off being a tighter schedule and no overnight coverage. Ask for a firm appointment window and confirm it the day before.

iWhere this information comes from

Company history, ownership and capability details on this page are provided by the business and reviewed by our editors for plausibility and consistency. They are not the same as the credentials block, where each item carries its own verification status and source.

Editorial Standards →

Reputation by Source

We show each source separately rather than blending them into a single score, because they measure different things.

  • Google

    5.0/ 5

    839 customer reviews

  • TenBestFind

    Editorially reviewed

    Ranked #5 in Charlotte electricians, September 2026

Project Photos

Business-submitted, reviewed by our editors

  • Gianni Electrical Service in CharlotteGianni Electrical Service in Charlotte
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  • Gianni Electrical Service in CharlotteGianni Electrical Service in Charlotte
  • Gianni Electrical Service in CharlotteGianni Electrical Service in Charlotte
  • Wooden gazebo interior with exposed rafters and plywood ceiling. Electrical conduit and two lights visible.Wooden gazebo interior with exposed rafters and plywood ceiling. Electrical conduit and two lights visible.

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Gianni Electrical Service FAQs

  • Does Gianni Electrical Service work weekends or after hours?

    No, the published hours are 7 AM to 5 PM Monday through Friday, with Saturday and Sunday closed. No after-hours or emergency call-out service is listed, so if you have a live hazard, a burning smell or a total outage outside those hours, you will need a firm that advertises 24-hour response. For planned work and weekday faults, call early in the day to improve your chances of same-week scheduling.

  • What is the Google rating for gianni electrical service?

    The Google Business Profile showed a 5.0 rating from 839 reviews when it was read on September 28, 2026. That is a large review count for a residential electrical company, and holding a perfect average across that many is unusual. It speaks to customer experience rather than technical inspection results, so still ask about licensing and guarantee terms.

  • Do they install EV chargers in Charlotte homes?

    Yes, EV charger installation for homeowners is one of the services the company lists and one it highlights on its own site. A proper install starts with a load calculation on your existing panel, because many Charlotte houses built before the mid-2000s have 100 or 150 amp service that may need upgrading before a Level 2 charger can be added. Ask whether the quote includes any panel work, the breaker and conduit run, and the permit.

  • Will they handle the permit for a panel or service upgrade?

    The company states that taking the necessary steps for permitting and inspections is part of its process. In Mecklenburg County, panel changes and service upgrades need a permit and an inspection, and the utility disconnect and reconnect has to be coordinated with Duke Energy. Confirm in writing that permit fees and inspection scheduling are included in the quoted price rather than billed separately afterwards.

  • What does the five-year workmanship guarantee cover?

    The company says most of its electrical services carry a five-year workmanship guarantee. Workmanship guarantees typically cover the labour and installation quality rather than the equipment itself, which is usually covered by the manufacturer. Ask for the written terms, including what voids it and whether it transfers if you sell the house.

  • Do they do dock and boat lift wiring on the lakes?

    Yes, dock power and lighting is a listed service, and the company mentions boat lift installation and wiring specifically. Lake wiring carries stricter safety requirements than ordinary outdoor circuits, including GFCI protection and bonding, because of electric shock drowning risk. Ask how the installation will meet current code for marinas and boatyards and whether the work will be inspected.

  • Is this a residential or commercial electrician?

    Mainly residential, based on how the company describes itself, though its own summary mentions serving Charlotte businesses as well. The about page focuses on residential troubleshooting, diagnostics, repairs and installations. For a large commercial fit-out or tenant improvement, ask directly about similar past projects before committing.

  • Is Gianni Electrical Service licensed and insured?

    We have no credential records on file for this company yet. Ask for the certificate directly from the insurer before booking work.

  • What areas does Gianni Electrical Service serve?

    Charlotte, Mint Hill. Coverage is as the business describes it, cross-checked against where its recent documented work is. Confirm your address before scheduling, particularly at the edge of a service area.

  • Does Gianni Electrical Service offer emergency service?

    Emergency availability is not listed for this company. If you need an urgent call-out, check the ranking for companies that do list it.

  • What warranty do they offer?

    Warranty terms are not on file. Ask for them in writing before work starts.

  • How was this profile built?

    Credentials come from issuing authorities, ratings from the company's Google Business Profile with the date we read them, and the editorial take from our own review of estimates, warranty documents and public feedback. Anything the business told us is labelled as reported.

  • Can a business pay to improve its profile?

    A business can subscribe to manage its own listing details, and it can buy a labelled sponsored placement. Neither changes a ranking position or the editorial assessment on this page.

Is Something Incorrect?

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About This Business Profile

Last reviewed
September 2026
Profile last updated
September 30, 2026
Google review data updated
September 30, 2026
Sources checked
Google Business Profile, Company website
Sponsorship status
No commercial relationship