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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 23 of 973

A V Concrete Works

B| C-8| C39PALMDALE, CA 93550
CSLB 1032178
(661) 916 8521View profile

A V Construction

BCERRITOS, CA 90703
CSLB 856101
(909) 201 6425View profile

A V General Construction Inc

BPALMDALE, CA 93550
CSLB 1073014
(661) 468 6536View profile

A V I Construction

BLOS ANGELES, CA 90035
CSLB 772783
(310) 287 1141View profile

A V O Builders Inc

BDOWNEY, CA 90241
CSLB 1044152
(323) 707 9094View profile

A V O Construction

B| C16| C36GLENDALE, CA 91202
CSLB 1063456
(818) 974 7939View profile

A V Plumbing Co Inc

B| C36LOS ANGELES, CA 90008
CSLB 469240
(818) 998 2094View profile

A W I Builders Inc

B| C10| C17| C23| C51BURBANK, CA 91501
CSLB 818478
(562) 948 1133View profile

A W K General Building Contractors

BVALENCIA, CA 91355
CSLB 584663
(661) 857 5119View profile

A W Services Inc

B| C10LONG BEACH, CA 90804
CSLB 781218
(562) 547 8314View profile

A W Z Construction Inc

BEL MONTE, CA 91732
CSLB 1103028
(909) 788 1888View profile

A Y Construction

BLOS ANGELES, CA 90069
CSLB 1156142
(310) 650 0909View profile

A Y Development LLC

BLOS ANGELES, CA 90005
CSLB 1043385
(310) 402 6152View profile

A-1 Best Development Group

BTEMPLE CITY, CA 91780
CSLB 890015
(626) 757 2225View profile

A-1 California Builders

BCALABASAS, CA 91372
CSLB 608207
(818) 222 1050View profile

A-1 Carpenter Service

BNORTH HOLLYWOOD, CA 91606
CSLB 398326
(818) 321 7905View profile

A-1 Construction

B| C21CHATSWORTH, CA 91311
CSLB 375106
(818) 709 4341View profile

A-1 Construction Building Services Inc

B| C36LONG BEACH, CA 90808
CSLB 1093559
(562) 370 5958View profile

A-1 Green Construction

BGRANADA HILLS, CA 91344
CSLB 1143972
(818) 929 8526View profile

A-1 Quality Painters

B| C33LA VERNE, CA 91750
CSLB 546522
(909) 456 4561View profile

A-1 Total Service Construction Inc

B| C36LOS ANGELES, CA 90022
CSLB 976956
(888) 201 8856View profile

A W S Construction Services Inc

ASB| B| C21| C22| HAZLONG BEACH, CA 90803
CSLB 525062
(562) 799 4436View profile

A-1 Construction

A| BLOS ANGELES, CA 90045
CSLB 654243
(310) 648 2992View profile

A-1 Total Service Plumbing

A| B| C36| C57BURBANK, CA 91502
CSLB 1135475
(818) 256 0422View 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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