GM Handywork

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About

Quality work at a quick pace from moving boxes to electrical wiring and everything in between. Electrician for 7 years, basic carpentry 3 years. Never cut corners and will take the time so that you are 100% satisfied with the work. US Navy veteran and a local firefighter.

Overview

Current Top Pro

Hired 162 times

Background checked

2 employees

4 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Cash, Samsung Pay, Venmo, and Zelle.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

2024

Services offered

Length of items over 6 ft

Range 0 0

Wall material

Property type

Residential

Commercial

Projects and media

Reviews

Customers rated this pro highly for professionalism, work quality, and responsiveness.

Great 4.7

66 reviews

5

89%

4

5%

3

0%

2

0%

1

6%

Read reviews that mention:

Moira G.

Jan 6, 2026

•

Hired on Thumbtack

I am very happy with the work John did; installing an outlet at my coffee bar. The work was clean and looks good on the wall. I would definitely use them again for future jobs.

Details: Yes, there is existing wiring • Install switch or outlet • 1 switch or outlet • Rooms with water access, like the kitchen • Drywall • House

Switch and Outlet Installation

Shanice U.

4 weeks ago

•

Hired on Thumbtack

I had quite a few projects to complete around my home. He did quality work in great timing. I will be working with him throughout the year to create my dream interior !

Details: 2 - 5 hours (A few different projects) • Installation • Assembly • Living room • Deck or porch • Shelving • Wall hangings • Furniture • Home

Handyman

Dameka C.

2 weeks ago

•

Hired on Thumbtack

Reliable, communication was effective and professionalism was top tear. I will most definitely do more business with this provider.

Details: Replacement of existing lighting • 1 light • Under 8 feet (low ceiling) • Indoors • Existing property • House

Lighting Installation

Jason l.

Nov 16, 2025

•

Hired on Thumbtack

He was very professional. He explained the issue I was having and took care of it. Definitely will give him a call for any other issues.

Details: Less than 2 hours (Simple tasks) • Repairs • Kitchen • Plumbing • Home

Handyman

Deborah S.

Nov 11, 2025

•

Hired on Thumbtack

Our experience with John Carlo was wonderful. He was personable, professional and was able to work within our timeline. We are so pleased with the finished project and we will be using his services again. I have already recommended him to friends. I’m never disappointed with the referrals I get from Thumbtack.

Details: Home • Deck, patio, or porch • Remove mold or moss • Less than 1,000 sq ft • One story • Yes, there’s an outdoor water source

Pressure Washing

Credentials

Background Check

Giancarlo Martinez

FAQs

What education and/or training do you have that relates to your work?
4 years as a navy electrician, and 3 years as electrician after,
How did you get started doing this type of work?
I started very young with stepfather doing basic carpentry, Navy taught me electrical work, side jobs here and there for 8 years.
What types of customers have you worked with?
Businesses both industrial and commercial, homeowners, family and friends.

GM Handywork

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