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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 28 of 973

ABC Solar Incorporated

B| C46TORRANCE, CA 90505
CSLB 914346
(310) 373 3169View profile

Abc-Advance Builder & Constructor

BGRANADA HILLS, CA 91344
CSLB 958709
(310) 903 9505View profile

Abcla Inc

BROSEMEAD, CA 91770
CSLB 1149073
(626) 626 6968View profile

Abcon Development

BSANTA CLARITA, CA 91350
CSLB 856347
(213) 550 8788View profile

Abdel John

BNORTH HOLLYWOOD, CA 91601
CSLB 1034276
(424) 266 2210View profile

Abe Joey

BLOS ANGELES, CA 90066
CSLB 931734
(310) 666 4494View profile

Abel Builders Inc General Contractors

BLA CANADA, CA 91011
CSLB 684372
(818) 219 1502View profile

Abel to Do It Contractors Inc

BPALMDALE, CA 93550
CSLB 1108982
(818) 363 5748View profile

Abel's Construction

BTUJUNGA, CA 91042
CSLB 928121
(818) 231 7624View profile

Abel's Construction Inc

B| C33CANOGA PARK, CA 91306
CSLB 667943
(818) 612 7312View profile

Abelian Construction Inc

B| C-8GLENDALE, CA 91201
CSLB 994668
(818) 200 3776View profile

Abell - Helou Homes Inc

BCOVINA, CA 91723
CSLB 658520
(626) 332 2033View profile

Abernethy Robert General Contractor

BLOS ANGELES, CA 90009
CSLB 315135
(310) 642 0080View profile

Abf Build & Design

BSOUTH GATE, CA 90280
CSLB 1156223
(310) 594 0548View profile

Abide Electrical

B| C10COVINA, CA 91724
CSLB 1076139
(626) 664 7963View profile

Abigail Electric Inc

B| C10ALHAMBRA, CA 91803
CSLB 1091626
(323) 691 0466View profile

Ability Heating & Air Conditioning

B| C20ARCADIA, CA 91006
CSLB 956161
(626) 665 3328View profile

Abl Builders

BLOS ANGELES, CA 90045
CSLB 825979
(323) 496 1956View profile

Ablay Joe Cledera

BDIAMOND BAR, CA 91765
CSLB 629389
(909) 967 0236View profile

Abm Builder Corp

B| C10| C36LOS ANGELES, CA 90019
CSLB 1151807
(512) 781 1881View profile

Abco Construction Company

A| B| C-8LOS ANGELES, CA 90070
CSLB 611281
(213) 380 9110View profile

Abercrombie General Engineering Construction Company

A| B| C50CASTAIC, CA 91384
CSLB 466420
(661) 600 2953View profile

Able Glass Services

A| B| C17| C20GARDENA, CA 90247
CSLB 243168
(626) 712 0989View profile

Able Maintenance Service

A| B| C10| C17| C20| C38GARDENA, CA 90247
CSLB 983564
(626) 712 0989View 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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