JCB construction inc

$60/on-site estimate

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Framing for an existing building?

Existing plans

Wall removal required

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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

Overview

Hired 6 times

Serves San Rafael, CA

Background checked

License verified

2 employees

1 year in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Cash and Check.

Services offered

Project scope

Closet

Wall

New room

House

Plumbing or electrical lines needed

Drywall needed

Yes

Projects and media

Reviews

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

Very good 4.6

9 reviews

5

89%

4

0%

3

0%

2

0%

1

11%

Read reviews that mention:

F&G K.

Aug 12, 2025

•

Hired on Thumbtack

JCB Constuction Inc is a legit company.( I checked !!) Josias, is responsive and very professional. Gave me a Fair estimate, however I don't make final decision. Thank you for your Time, Josias!

Details: Door • Walls • Replacement of portions of existing structure • Residential

General Carpentry

Maija C.

Jul 25, 2025

•

Hired on Thumbtack

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

General Carpentry

Antoinette S.

Jul 16, 2025

•

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

Andrea R.

Jun 7, 2025

•

Hired on Thumbtack

Details: Installation of new stairs • Outdoors • Residential

Stair Installation, Remodel, or Repair

Billie O.

1 month ago

•

Hired on Thumbtack

Absolutely love the custom work he did. Adding a door underneath the stairs.

Details: Door • New custom building or construction • Residential

General Carpentry

Credentials

License

License type: B - General Building Contractor

License state: CA

License verified on 4/18/2025

Background Check

Josias Constanza Barrios

JCB construction inc

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