JCB construction inc

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About

I'm licensed contractor. I've been working in construction for 10 years, from start to finish.I only do jobs over $1,000, not handyman. We have insurance.NOTE If you plan to contact 3 or 5 professionals, please do not contact me.

Overview

Hired 8 times

Serves San Rafael, CA

Background checked

License verified

2 employees

2 years in business

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This pro hasn't listed their business hours.

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This pro accepts payments via Cash, Check, and Zelle.

Credentials

License verified

B - General Building Contractor

License state: CA

Background checked

Passed by Josias Constanza Barrios on Apr 30, 2025.

Projects and media

Reviews

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

Very good 4.6

11 reviews

5

91%

4

0%

3

0%

2

0%

1

9%

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Read reviews that mention:

Dana D.

Feb 15, 2026

•

Hired on Thumbtack

If I could highlight all five quality metrics for this review to describe the service I would do so. Josias was easy to communicate with provided detail on the work. He was doing and created a beautiful backyard stairs for us. We appreciate his work and will definitely be working with him on future construction projects.

Details: Installation of new stairs • Outdoors • Residential

JCB construction inc's reply

Thank you very much for your review. It was a pleasure working on your project. At JCB Construction Inc. we always strive to provide the best service possible. We look forward to helping you with any future projects.

Stair Installation, Remodel, or Repair

Stephen Y.

Feb 28, 2026

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Hired on Thumbtack

Josiah and his team did a great job replacing and enclosing our porch. He contacted me the same day and came out the next day and was able to start work immediately. He was very responsive to our requests and we got just what we wanted.

Details: Deck, porch, or balcony • Replacement of portions of existing structure • Residential

JCB construction inc's reply

Thank you for trusting JCB Construction Inc. with your project. We are happy to hear that you are satisfied with our work. We look forward to working with you again in the future

General Carpentry

Antoinette S.

Jul 16, 2025

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Hired on Thumbtack

Josias is an extremely skilled contractor who really can build and repair an entire house! I am SO glad that I hired JCB (based on the many positive reviews here) initially to install a lattice wall on my outdoor deck. Not only did he do an extremely thorough job on that rather small project, but showed a dedication to craftsmanship in taking repeated measurements and cleaning up afterward. I was so impressed that I hired him to tackle a rotting threshold, which he quickly rebuilt with redwood that he cut and even painted.
Today, JCB kindly reinstalled Marmoleum flooring in my kitchen AFTER the color of the first just wasn't matching the vibe of my cottage. They stayed until after 8 pm, making sure that everything was cleaned and properly finished.
JCB is dedicated, professional, and affordable.

Details: Deck, porch, or balcony • Cabinets, shelves, or bookcases • Baseboards and/or crown molding • Replacement of portions of existing structure • Residential

General Carpentry

Maija C.

Jul 25, 2025

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Hired on Thumbtack

Details: Stairs • Cabinets, shelves, or bookcases • Deck, porch, or balcony • Replacement of portions of existing structure • Residential

JCB construction inc's reply

General Carpentry

Andrea R.

Jun 7, 2025

•

Hired on Thumbtack

Details: Installation of new stairs • Outdoors • Residential

Stair Installation, Remodel, or Repair

JCB construction inc

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