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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 42 of 973

Agco Construction

BPALMDALE, CA 93552
CSLB 748466
(661) 670 0651View profile

Agent Willie Realty & Development Co LLC

BHAWTHORNE, CA 90250
CSLB 1112462
(310) 955 8861View profile

Agf Concrete

B| C-8POMONA, CA 91766
CSLB 1046642
(909) 618 6065View profile

Agf Constructions

BLOS ANGELES, CA 90048
CSLB 1145797
(310) 756 9954View profile

Aggregate Construction Group

BLOS ANGELES, CA 90064
CSLB 1034714
(310) 930 6258View profile

Aggressive Sash and Door Inc

BCANOGA PARK, CA 91304
CSLB 689611
(818) 886 5440View profile

Aghaian Hovik I and Associates Inc

BGLENDALE, CA 91210
CSLB 520423
(818) 590 9988View profile

Agile Development Group

BLOS ANGELES, CA 90025
CSLB 917093
(310) 612 2565View profile

Agl Plumbing & Construction Inc

B| C36LOS ANGELES, CA 90059
CSLB 1034181
(323) 506 4595View profile

Agmj Construction Inc

B| C51GLENDALE, CA 91207
CSLB 1109401
(818) 966 7666View profile

Agora Realty and Management Inc

BCALABASAS, CA 91302
CSLB 589584
(818) 290 5201View profile

Agr General Construction

BWEST COVINA, CA 91791
CSLB 985393
(626) 251 7707View profile

Agr Homes Inc

BSUNLAND, CA 91040
CSLB 1151408
(213) 218 8226View profile

Agrusa Construction

BSAN PEDRO, CA 90731
CSLB 413590
(310) 940 6440View profile

Agrusa Construction Inc

BLOS ANGELES, CA 90049
CSLB 1048951
(310) 433 6866View profile

Agrusa General Contracting

BSAN PEDRO, CA 90731
CSLB 972732
(310) 344 3300View profile

Aguayo JR Remodeling

BDOWNEY, CA 90241
CSLB 1105782
(562) 516 9760View profile

Aguilar Don

BBURBANK, CA 91504
CSLB 635651
(818) 203 3750View profile

Aguilar General Construction

BCASTAIC, CA 91384
CSLB 1142344
(661) 645 3561View profile

Aguilar L A Construction Inc

BSUN VALLEY, CA 91352
CSLB 940203
(818) 731 7801View profile

Aguilar's Construction Inc

BHAWTHORNE, CA 90250
CSLB 806448
(310) 897 4451View profile

Aguirre Construction Inc

BRESEDA, CA 91337
CSLB 1019578
(818) 741 8646View profile

Agv Construction

BLOS ANGELES, CA 90023
CSLB 1126381
(424) 744 6982View profile

Aguilar & Calderon Corporation

A| BWHITTIER, CA 90609
CSLB 988688
(562) 265 8815View 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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