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Licensed under Class B (General Building)

Second-Story Additions in City Of Industry, CA — CSLB-Licensed Contractors

Find CSLB-licensed second-story addition contractors in City Of Industry, CA. Every listing shows an active licence number you can check yourself.

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What to Expect from Second-Story Additions in City Of Industry

A second-storey addition in City Of Industry is the most structural thing most homeowners ever commission. Everything below has to carry what goes above, so the project starts with an engineer looking at the foundation and the existing walls, not with a floor plan.

Expect the house to be open to the weather for a period. The roof comes off, which means temporary protection, and it means the schedule is genuinely weather-dependent in a way a kitchen remodel is not. Ask how the house is protected between tear-off and dry-in, and what happens if it rains.

The staircase is the detail people underestimate. It has to land somewhere sensible on both floors and it consumes real square footage on the level you already live on. A design that adds 800 square feet upstairs while eating 60 downstairs is a different proposition from the one on the drawing.

  • Structural assessment of foundation and existing walls
  • Engineering and plan check submission
  • Roof removal and weather protection
  • Framing the new floor and walls
  • Staircase construction and downstairs reconfiguration
  • Extending plumbing, electrical and HVAC upward

Why CSLB Licensing Matters

Adding a storey involves structural, framing, roofing, plumbing, electrical and finish work, which puts it well inside Class B (General Building). It is the classification CSLB defines for structures requiring at least two unrelated trades, and this work requires many more than two.

Each contractor here holds that licence, active, at a City Of Industry address, with the number linked to the register. On a project of this size it is worth checking the record again before each large payment, not only at signing.

The register says nothing about whether a firm has done this before, and second-storey work is not a scaled-up remodel. Ask how many they have completed in the last three years, whether any needed the foundation reinforced after the engineer looked, and what that did to the budget. A contractor who has a number for that has done the work; one who says it never comes up has not done much of it.

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

Licensed Second-Story Additions Contractors in City Of Industry

57 registered in City Of Industry · 23,334 active CLEAR licences across Los Angeles County · page 1 of 973

168Adu Construction

BCITY OF INDUSTRY, CA 91746
CSLB 1100899
(626) 949 0403View profile

1St Home Construction Corp

BCITY OF INDUSTRY, CA 91746
CSLB 1070508
(626) 620 9751View profile

A J Construction

BCITY OF INDUSTRY, CA 91715
CSLB 936763
(626) 379 5868View profile

Abs Fidelity Builder Inc

B| C10CITY OF INDUSTRY, CA 91748
CSLB 1062123
(323) 300 6630View profile

Air Mechanical

B| C-4| C36| C38CITY OF INDUSTRY, CA 91746
CSLB 881311
(626) 590 7806View profile

Amendola Austin Roski

BCITY OF INDUSTRY, CA 91746
CSLB 1147456
(562) 948 4304View profile

Anaya Construction & Development Inc

BCITY OF INDUSTRY, CA 91746
CSLB 859697
(323) 595 4448View profile

Aok Group Inc

BCITY OF INDUSTRY, CA 91748
CSLB 1100062
(626) 855 1700View profile

Ayala Builders & Contractors Inc

B| C13CITY OF INDUSTRY, CA 91744
CSLB 867248
(626) 233 4162View profile

Belcon Development Inc

BCITY OF INDUSTRY, CA 91746
CSLB 964245
(562) 533 6962View profile

C B C Home LLC

BCITY OF INDUSTRY, CA 91789
CSLB 1110280
(909) 594 1695View profile

Cahy Home Inc

BCITY OF INDUSTRY, CA 91744
CSLB 1066104
(626) 541 7888View profile

California Construction Services

B| HAZCITY OF INDUSTRY, CA 91745
CSLB 1038041
(626) 435 4856View profile

Carrara Inc

B| C29| C43| C54CITY OF INDUSTRY, CA 91745
CSLB 145253
(626) 961 6010View profile

CBC Construction LLC

BCITY OF INDUSTRY, CA 91789
CSLB 1124589
(909) 594 1695View profile

Chang Sun Lee

BCITY OF INDUSTRY, CA 91745
CSLB 1124005
(714) 349 8689View profile

D C Integrate Inc

B| C10| C20CITY OF INDUSTRY, CA 91789
CSLB 945486
(909) 598 5921View profile

Delicato Design Inc

B| C15CITY OF INDUSTRY, CA 91748
CSLB 1053401
(626) 581 4790View profile

The Delta Construction Group Corporation

BCITY OF INDUSTRY, CA 91745
CSLB 1115910
(562) 692 7835View profile

DK Dream Builder Inc

BCITY OF INDUSTRY, CA 91746
CSLB 1154473
(626) 589 6827View profile

E T Systems

BCITY OF INDUSTRY, CA 91746
CSLB 699131
(626) 290 8242View profile

E.C. Construction

BCITY OF INDUSTRY, CA 91715
CSLB 964459
(626) 404 3349View profile

Angeles Contractor Inc

A| B| C-9| C10| C15| C33| C39| C54CITY OF INDUSTRY, CA 91748
CSLB 858483
(626) 923 3800View profile

Commerce Construction Co L P

A| B| C-8CITY OF INDUSTRY, CA 91746
CSLB 723302
(562) 948 4397View profile
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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.

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Related Services in City Of Industry

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 City Of Industry
  • Find a licensed general contractors contractor in City Of Industry
  • Find a licensed garage conversions contractor in City Of Industry
  • Find a licensed custom home builders contractor in City Of Industry
  • Find a licensed tenant improvements contractor in City Of Industry

Frequently Asked Questions

Can my house support a second storey?+

That depends on the foundation and the existing wall framing, and only an engineer can answer it for your house. Some homes need footings reinforced or shear walls added first. Get that assessment before you fall in love with a floor plan, because it can change the budget substantially.

How many contractors handle second-storey additions in City Of Industry?+

The register shows 57 holding an active Class B licence at a City Of Industry address, and 23,334 across Los Angeles County. Class B is the classification this work falls under, so it lists the same pool as other general building pages.

Do we have to move out during the work?+

Often yes, at least for the phase when the roof is off. Ask for that period to be identified in the schedule up front, because temporary accommodation is a real cost that rarely appears in the initial quote.

How long does a second-storey addition take?+

It varies with engineering, plan check and inspection scheduling in your jurisdiction more than with the building itself. Ask for a schedule that names the inspection milestones rather than a single completion date.

Does a second-storey addition need permits from the building department with jurisdiction over your City Of Industry address?+

Yes — structural plans, roof removal and new floor area require plan check and staged inspections through the building department with jurisdiction over your City Of Industry address.

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

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