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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 25 of 973

A+ Local Garage Door Repair

BENCINO, CA 91436
CSLB 1064628
(646) 402 2023View profile

A1 American Roofing

B| C39TARZANA, CA 91356
CSLB 1052709
(310) 405 0810View profile

A1 Best Plumbing & Restoration

B| C36SIGNAL HILL, CA 90755
CSLB 812317
(562) 981 2636View profile

A1 Builders Inc

BGLENDALE, CA 91205
CSLB 1031190
(818) 448 5638View profile

A1 Construction

BLOS ANGELES, CA 90006
CSLB 1093624
(213) 222 5552View profile

A1 Construction & Remodeling Inc

BSHERMAN OAKS, CA 91403
CSLB 1017858
(818) 620 8187View profile

A1 Construction and Restoration Inc

BBEVERLY HILLS, CA 90212
CSLB 1118941
(951) 712 4722View profile

A1 General Builders LLC

BPOMONA, CA 91766
CSLB 931279
(323) 537 3555View profile

A1 Home Builder

B| C10PALMDALE, CA 93552
CSLB 885624
(747) 324 0595View profile

A1 Home Remodeling Inc

BRESEDA, CA 91335
CSLB 1059945
(310) 980 0662View profile

A1Pm Contracting Inc

B| D63LA VERNE, CA 91750
CSLB 988429
(626) 493 9485View profile

A2 Construction Inc

BGLENDALE, CA 91204
CSLB 1136992
(818) 280 4213View profile

A2 Railla Development Inc

BSANTA MONICA, CA 90408
CSLB 906417
(310) 260 5510View profile

A27 Builders Inc

B| C36BURBANK, CA 91505
CSLB 1105779
(818) 641 8597View profile

A2M Construction Inc

B| C-9MONTEREY PARK, CA 91754
CSLB 1115944
(323) 213 7006View profile

A2Z Builders Inc

BSHERMAN OAKS, CA 91423
CSLB 1010407
(818) 355 2343View profile

A2Z Construction

BCERRITOS, CA 90703
CSLB 979189
(949) 510 7512View profile

A2Z Enterprise Inc

B| C10| C36ENCINO, CA 91316
CSLB 1143552
(818) 626 7440View profile

A2Z-Remodeler LLC

BWOODLAND HILLS, CA 91367
CSLB 1143401
(818) 536 1510View profile

A2Zhome Remodel & Restoration

B| D28TORRANCE, CA 90505
CSLB 1031714
(310) 373 7877View profile

Aa All Pro Construction LLC

BROLLING HILLS ESTATES, CA 90274
CSLB 1029566
(310) 938 0794View profile

Aa California Roofing

B| C39WOODLAND HILLS, CA 91364
CSLB 1147688
(818) 804 7689View profile

Aa Cedar Construction

BLA VERNE, CA 91750
CSLB 1146814
(626) 856 9576View profile

A1-Perez Plumbing, Electric & Pipelines

A| B| C10| C36| C42LOS ANGELES, CA 90022
CSLB 910949
(323) 263 4343View 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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