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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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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 35 of 973

Ad Builders

B| C-9VAN NUYS, CA 91411
CSLB 1068899
(310) 488 8478View profile

Ad Elite Construction Inc

BWHITTIER, CA 90604
CSLB 1143358
(323) 818 9581View profile

Ad Installs Corp

BCHATSWORTH, CA 91311
CSLB 1083385
(818) 817 1682View profile

Ada Compliance Professionals Inc

BPASADENA, CA 91105
CSLB 508238
(424) 262 9002View profile

Adagio Woodworking

B| C-6AGOURA HILLS, CA 91301
CSLB 514780
(818) 707 4542View profile

Adair Custom Builders

BMANHATTAN BEACH, CA 90266
CSLB 957466
(310) 864 6648View profile

Adam Acosta

BBALDWIN PARK, CA 91706
CSLB 1087538
(626) 251 6678View profile

Adam and Son Construction

BNORTH HOLLYWOOD, CA 91606
CSLB 670144
(818) 642 5072View profile

Adam Dweck Construction

BNORTH HOLLYWOOD, CA 91606
CSLB 1148764
(323) 819 4682View profile

Adam L Bressler

BWEST HOLLYWOOD, CA 90046
CSLB 971243
(917) 856 6105View profile

Adam's Construction

BCULVER CITY, CA 90232
CSLB 746097
(818) 355 2100View profile

Adamczewski Zbigniew Jozef

B| C10| C36LONG BEACH, CA 90807
CSLB 559700
(310) 617 1275View profile

Adame Design & Construction

BPOMONA, CA 91767
CSLB 1077201
(310) 464 7214View profile

Adamonis Gomez Construction LLC

BSOUTH EL MONTE, CA 91733
CSLB 1125926
(323) 243 3001View profile

Adams Construction

B| C10ENCINO, CA 91316
CSLB 546520
(818) 881 0992View profile

Adams Construction LLC

BWOODLAND HILLS, CA 91367
CSLB 1086231
(818) 307 0382View profile

Adams Donald

BNORTHRIDGE, CA 91325
CSLB 828820
(805) 857 3691View profile

Adams Innovative Renovations

BCARSON, CA 90746
CSLB 1023432
(310) 220 7285View profile

Adams Robert

BWEST HILLS, CA 91304
CSLB 874289
(818) 585 0096View profile

Adams Sean S

B| C10| D28VAN NUYS, CA 91406
CSLB 874309
(818) 453 8610View profile

Adani Tile Solutions

B| C54CANOGA PARK, CA 91309
CSLB 1064476
(818) 519 6960View profile

Adanstar Construction

BDOWNEY, CA 90240
CSLB 818310
(562) 852 5211View profile

Adapt & Design Construction

BDOWNEY, CA 90241
CSLB 1144225
(310) 290 2070View profile

Adame Fernando

ASB| B| C-8| C36WHITTIER, CA 90605
CSLB 852983
(562) 746 7346View 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.

Get matched with a licensed pro

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