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Licensed under Class B (General Building)

Second-Story Additions in Vernon, CA — CSLB-Licensed Contractors

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

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Second-Story Addition Contractors in other cities

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What to Expect from Second-Story Additions in Vernon

A second-storey addition in Vernon 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 Vernon 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 Vernon

11 registered in Vernon · 23,334 active CLEAR licences across Los Angeles County · page 43 of 973

Ah Construction Co

BLONG BEACH, CA 90805
CSLB 992547
(562) 346 4844View profile

Aharon Poringer Construction Co

BARCADIA, CA 91006
CSLB 420065
(626) 353 1859View profile

Aharon R E Development Inc

BWOODLAND HILLS, CA 91367
CSLB 1136496
(818) 963 1719View profile

Ahdoot Roozbeh

BENCINO, CA 91316
CSLB 913768
(818) 300 7222View profile

Ahersi Quality Construction Corp

BSANTA CLARITA, CA 91351
CSLB 1086443
(818) 668 0858View profile

Ahlc San Marcos Ranch LLC

BENCINO, CA 91426
CSLB 1148123
(818) 380 2600View profile

Ahn Construction

B| C17LA MIRADA, CA 90638
CSLB 932111
(714) 814 7806View profile

Ahn Kee Buom

BLOS ANGELES, CA 90013
CSLB 1083177
(213) 281 2300View profile

Ahn Kenneth

BRANCHO PALOS VERDES, CA 90275
CSLB 841321
(310) 308 1041View profile

Ahn's Construction

BLOS ANGELES, CA 90005
CSLB 1022756
(213) 507 9803View profile

Ahongda Construction Inc

BBALDWIN PARK, CA 91706
CSLB 983344
(626) 822 0628View profile

Ai Builders

B| C10WOODLAND HILLS, CA 91364
CSLB 1033090
(800) 280 0428View profile

Ai Builders Inc

BENCINO, CA 91316
CSLB 1120037
(818) 277 6049View profile

Ai Construction

BMISSION HILLS, CA 91345
CSLB 1013678
(818) 422 0295View profile

Ai Construction and Design Inc

BLOS ANGELES, CA 90066
CSLB 1111533
(310) 869 6605View profile

Ai Construction Inc

BSAN GABRIEL, CA 91776
CSLB 1097270
(626) 618 6618View profile

Ai Design & Build

BBURBANK, CA 91502
CSLB 1157557
(818) 388 8405View profile

Ai-Loan Construction

BSANTA CLARITA, CA 91355
CSLB 586799
(818) 618 1110View profile

Aica Corp

B| C10HACIENDA HEIGHTS, CA 91745
CSLB 1121573
(562) 499 9992View profile

Aiden's Structural Concepts

BSYLMAR, CA 91342
CSLB 922303
(818) 823 1708View profile

Aig Plumbing & Construction Inc

B| C36WINNETKA, CA 91306
CSLB 936523
(818) 335 7432View profile

Ailati General Contractor

BVAN NUYS, CA 91406
CSLB 1128054
(818) 904 9583View profile

Aim Higher Construction Inc

BLOS ANGELES, CA 90019
CSLB 923376
(310) 476 0999View profile

Ahouse Construction & Remodeling Inc

A| BSAN GABRIEL, CA 91776
CSLB 1110424
(626) 757 7549View 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 Vernon

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

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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 Vernon?+

The register shows 11 holding an active Class B licence at a Vernon 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 Building Division?+

Yes — structural plans, roof removal and new floor area require plan check and staged inspections through Building Division.

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.

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