If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Welcome to GM Kingdom Works, your trusted local source for honest, high-quality repair and maintenance services in the Flagstaff area. With over 20 years of experience in automotive repair and light general contracting, I-car and ASE Master Certification. we take pride in offering dependable workmanship and genuine care for every customer we serve.
Established in Flagstaff in 2010, we’ve built our reputation on integrity, skill, and a commitment to doing things the right way — with God in mind. From home repairs and welding to mobile mechanic work and custom builds, we approach every job with the same goal: to serve our community with excellence, respect, and heart.
At GM Kingdom Works, we believe quality work honors both our customers and our Creator. We’re more than just a service provider — we’re your neighbors, dedicated to helping you keep your home, vehicles, and equipment in top shape.
GM Kingdom Works — Serving Flagstaff and beyond with skill, integrity, and faith.
Overview
Hired 25 times
8 similar jobs done near you
Background checked
2 employees
16 years in business
Business hours
Sun1:00 pm - 4:00 pmMon8:00 am - 8:00 pm
Payment methods
This pro accepts payments via Cash, Check, Credit card, PayPal, and Zelle.
Services offered
Project type
Estimated hours
Less than 2 hours of work
2-5 hours of work
A full day of work
Work focus
Doors
Windows
Interior walls
Exterior walls
Projects and media
Projects and media
Reviews
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Very good 4.6
16 reviews
5
88%
4
0%
3
6%
2
0%
1
6%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Imran S.
Apr 27, 2026
•
Hired on Thumbtack
Josh was excellent in his workmanship. It took him an hour or two to figure out my washer dryer issue, but he was so patient to identify the issue and got to the root cause. He also made sure that I am not overcharged for any part and he was so professional punctual, and his work was the highest quality. Josh was excellent in repairing my washer dryer.
Details: Washer or dryer • LG • Residential
GMKingdom Works subcontractor, handyman, mechanic's reply
Thank you so much for your thoughtful review! I really appreciate your patience while I worked through the washer and dryer issue—sometimes those problems take a bit of digging to get to the true root cause, but I’m glad I was able to get it sorted out for you.
It means a lot to hear that you felt the pricing was fair and the service was professional and punctual. Providing high-quality work and making sure my customers are taken care of is always my top priority.
Thanks again for your support—I’m here anytime you need help in the future!
— Joshua Monteverde
GM KINGDOM WORKS
Appliance Repair or Maintenance
Mike K.
Apr 25, 2026
•
Hired on Thumbtack
Josh was available when I requested help. He came by and fixed my gas grill - saving me $500 on a new one! He also replaced the knob on my oven with the original knob. (Previous repairman put a cheap replacement knob on but Josh k ew what to do to put the original one back on.). Glad to have a go to person when I need something at the house in Flagstaff.
GMKingdom Works subcontractor, handyman, mechanic's reply
Thank you so much for the kind review! I’m really glad I could help get your grill back up and running and save you the cost of replacing it. It was also great being able to restore your oven with the original knob—those little details make a big difference.
I truly appreciate your trust and support, and I’m always here whenever you need a hand around the house in Flagstaff. Looking forward to helping you again in the future!
– Josh
GM Kingdom Works LLC
Barbecue and Grill Services
Julia J.
Apr 30, 2026
•
Hired on Thumbtack
Great experience! Got to us in a timely manner and explained everything. He finished the work quickly. And let our dogs bark at him!
GMKingdom Works subcontractor, handyman, mechanic's reply
Thank you Julia, enjoyed our conversations and your dogos. call us anytime!
Appliance Repair or Maintenance
Ada C.
Oct 21, 2025
•
From Google
Excellent service, honest quality work , had some repairs done at my house and a water heater installed , and some amazing yard work with pavers and a fire pit complete with hand rails and everything . Also had some work done on my car , Very happy with the service and I would hire him again no questions asked . No need to look anywhere else .
Steve D.
Apr 26, 2026
•
Hired on Thumbtack
Joshua delivers incredible customer service and is extremely knowledgeable in numerous areas of construction and home repairs.
I recommend Joshua highly!
Details: 1 item • Entertainment center or TV stand • Yes, I have assembly instructions or make and model information
GMKingdom Works subcontractor, handyman, mechanic's reply
Thank you for the kind words and recommendation! I really appreciate you taking the time to share your experience. Providing quality work and great customer service is always my goal, so it means a lot to hear that reflected in your feedback.
I’m grateful for your support and look forward to helping with any future projects or repairs you may need!
– Joshua
GM Kingdom Works LLC
Furniture Assembly
Credentials
Background Check
Joshua Monteverde
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
I charge by the job. Must quote in person. I can work around your needs and pricing
What is your typical process for working with a new customer?
in person quote to understand the needs and to accurately proceed the job
What education and/or training do you have that relates to your work?
7 years under general contractor and 20 years ase master certification for automotive repair
