1. Home
  2. Garage Conversion Contractors
  3. Commerce

Licensed under Class B (General Building)

Garage Conversions in Commerce, CA — CSLB-Licensed Contractors

Find CSLB-licensed garage conversion contractors in Commerce, CA. Every listing shows an active licence number you can check yourself.

Get matched with a licensed proSearch all trades

Garage Conversion Contractors in other cities

Agoura HillsAlhambraAltadenaArcadiaArletaAzusaBaldwin ParkBell GardensBellflowerBeverly HillsBurbankCalabasas

What to Expect from Garage Conversions in Commerce

Converting a garage in Commerce is mostly a question of what the space is missing. A garage has a slab, walls and a roof already, which is why it looks cheap on paper. What it usually lacks is insulation, a moisture barrier under the floor, ceiling height, egress windows, heating, and enough electrical capacity to be a room people live in.

The slab is the first thing to check. Garage slabs are often poured lower than the house floor and slope toward the door for drainage, so the floor has to be raised and levelled before anything else happens. That single decision drives ceiling height, which drives whether the conversion is legal at all.

Ask any contractor what they intend to do about the driveway apron and the old garage door opening. A conversion that still reads as a garage from the street will cost you at resale, and the fix is cheaper designed in than added later.

  • Raising and levelling the slab to house floor height
  • Insulation, vapour barrier and weatherproofing
  • Egress windows and natural light
  • Electrical capacity, circuits and heating
  • Plumbing where a bathroom or kitchenette is added
  • Exterior treatment of the old door opening

Why CSLB Licensing Matters

A garage conversion changes a non-habitable space into a habitable one, which pulls in structural, electrical, insulation and usually plumbing work at once. That is Class B (General Building) territory: CSLB defines a general building contractor as one whose work involves structures needing at least two unrelated trades.

Every contractor listed holds an active Class B (General Building) licence recorded at a Commerce address, with the number linked to the CSLB record. Check it before design work is commissioned, because the drawings are where the money starts.

What the licence cannot tell you is whether they have taken a conversion through your local plan check. Garage conversions attract more scrutiny than most remodels because they add a dwelling or a bedroom, and rules on ceiling height, egress and replacement parking are applied locally and vary by parcel. Ask how many they have completed, in which cities, and whether any came back with corrections. A contractor who talks openly about a correction is describing normal practice.

Every licence number below links to its record at cslb.ca.gov, where you can confirm status and expiry yourself.

Licensed Garage Conversions Contractors in Commerce

23 registered in Commerce · 23,334 active CLEAR licences across Los Angeles County · page 1 of 973

3D Contractors Inc

BCOMMERCE, CA 90022
CSLB 1017030
(323) 714 5886View profile

Almira Restoration & Construction

BCOMMERCE, CA 90040
CSLB 945907
(562) 694 9700View profile

Amber Builders Co

BCOMMERCE, CA 90040
CSLB 1146689
(310) 302 7222View profile

Builders Genius Inc

BCOMMERCE, CA 90040
CSLB 1107830
(562) 459 7320View profile

C & S Contractors

BCOMMERCE, CA 90040
CSLB 925800
(310) 330 6217View profile

Calstate Energy Inc

B| C10COMMERCE, CA 90040
CSLB 1039291
(310) 967 2010View profile

Casas & Casas Construction Inc

BCOMMERCE, CA 90040
CSLB 1101290
(213) 565 1485View profile

Dealto Construction

BCOMMERCE, CA 90040
CSLB 1079651
(323) 833 7411View profile

Ehome Solutions Inc

B| C39COMMERCE, CA 90040
CSLB 1076420
(888) 881 8184View profile

Elvis Construction

BCOMMERCE, CA 90040
CSLB 927966
(323) 608 8439View profile

Embassy Construction

BCOMMERCE, CA 90040
CSLB 610847
(213) 618 8668View profile

Expert Home Builders Inc

BCOMMERCE, CA 90040
CSLB 1056600
(323) 503 2344View profile

Flores Construction

B| C10COMMERCE, CA 90040
CSLB 1092025
(323) 286 5945View profile

Haley Industrial Coatings & Linings Inc

B| D51COMMERCE, CA 90040
CSLB 670924
(323) 588 8086View profile

JDS Display

BCOMMERCE, CA 90040
CSLB 1062582
View profile

Maravilla Foundation

B| C20| C36COMMERCE, CA 90022
CSLB 622969
(323) 869 4505View profile

Melchor Enrique

BCOMMERCE, CA 90040
CSLB 982778
(323) 382 3995View profile

Ortiz Alfredo

BCOMMERCE, CA 90040
CSLB 1109732
(323) 308 9887View profile

Property Construction & Maintenance

BCOMMERCE, CA 90040
CSLB 802363
(323) 888 6995View profile

United Builders USA

BCOMMERCE, CA 90040
CSLB 1107692
(323) 500 9729View profile

Varela Justino

BCOMMERCE, CA 90040
CSLB 865059
(323) 208 1685View profile

Voytko Mechanical Inc

B| C-4| C10| C20| C36| C38| C43COMMERCE, CA 90040
CSLB 960002
(323) 747 1090View profile

World Efficient Building Construction

BCOMMERCE, CA 90040
CSLB 958286
(800) 993 9159View profile

04Pan Nogada

BGLENDALE, CA 91203
CSLB 1150176
(310) 494 1636View profile
Next

Rather have us narrow it down?

Tell us what the job is and we will point you to licensed garage conversion contractors in Commerce.

Get matched

How to Get Started

  1. 1

    Check the licence

    Open the CSLB record from any listing below and confirm the licence is active and the classification matches the work. It takes seconds and it is the one thing you can verify without asking anyone.

  2. 2

    Call three recent references

    Ask each contractor for three jobs finished in the last year, then actually call them. Ask what went wrong and how it was handled — every project has something, and the answer tells you more than a list of successes.

  3. 3

    Tell us about the job

    Send us the scope and we will connect you. No account, no fee, and we do not sell your details on.

Licence first. References second. Reviews last. Why that order.

Get matched with a licensed pro

Related Services in Commerce

These sit under the same Class B (General Building) licence, so the same contractors are qualified for them.

  • Find a licensed adu contractors contractor in Commerce
  • Find a licensed general contractors contractor in Commerce
  • Find a licensed second-story additions contractor in Commerce
  • Find a licensed custom home builders contractor in Commerce
  • Find a licensed tenant improvements contractor in Commerce

Frequently Asked Questions

Can any garage be converted into living space?+

Not automatically. Ceiling height after the slab is raised, egress, light and ventilation all have to meet code, and your local planning rules decide whether replacement parking is required. Confirm with Building and Safety Division before committing to a design.

How many contractors can do garage conversions in Commerce?+

The register lists 23 with an active Class B licence at a Commerce address, and 23,334 across Los Angeles County. The classification covers conversions along with other general building work, so the same firms appear on related pages.

Why does the floor have to be raised?+

Garage slabs are usually poured below the house floor and sloped toward the door so water runs out. Living space needs a level floor at house height with a moisture barrier under it, and raising it eats ceiling height — which is why height gets checked first.

Is a converted garage the same as an ADU?+

Not necessarily. A conversion can be a bedroom, an office or a full accessory dwelling unit, and the requirements differ sharply between them. Decide which you are building before drawings start, because it changes utilities, egress and the approval path.

Every contractor here holds an active CSLB licence

Check any licence yourself in one click. When you are ready, tell us about the job and we will connect you.

Get matched with a licensed pro

True Local Pros

A Division of Legno Hardwood LLC

We are your trusted local experts for premier home improvement services in Los Angeles and the surrounding areas. Dedicated to quality craftsmanship and customer satisfaction.

Address:

9208 S. Vermont Ave,

Los Angeles, California 90044

Email:

Quick Navigation

Explore our site:

  • Home
  • About Us
  • How to Hire
  • Contractor Directory
  • Services
  • FAQ
  • Contact Us

Connect With Us

Follow our projects and updates:

Ready to start your project?

Don't wait to upgrade your home.

GET A FREE QUOTE TODAY!

Our Services

  • Plumbing
  • Electrical
  • HVAC
  • Gardening & Landscaping
  • Hardwood Flooring
  • Roofing
  • General Contractors
  • Interior Design

© 2026 True Local Pros. All Rights Reserved.

Privacy Policy|Terms of Service
Truelocal pros
Home
Contractor DirectoryAbout UsFor ContractorsContactFAQPreferred Suppliers
Get Started
No account required