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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 27 of 973

The Aardvark Group Inc

BCERRITOS, CA 90703
CSLB 762498
(714) 522 5222View profile

Aaron Michael General Contractors Inc

BLANCASTER, CA 93536
CSLB 1024794
(661) 544 5189View profile

Aaron's Pro Flooring

B| C15LOS ANGELES, CA 90035
CSLB 915352
(877) 755 1350View profile

Aatari Inc

BPALOS VERDES ESTATES, CA 90274
CSLB 789571
(310) 901 7113View profile

Ab Knolling Construction and Contracting

BGLENDALE, CA 91205
CSLB 946569
(917) 447 4078View profile

Ab Power Construction and Electric Inc

B| C10SHERMAN OAKS, CA 91403
CSLB 1063511
(818) 967 8213View profile

Ab Star Construction Inc

BROWLAND HEIGHTS, CA 91748
CSLB 1029552
(626) 263 4656View profile

Aba Construction and Electric Inc

B| C10SANTA MONICA, CA 90404
CSLB 870226
(818) 640 4084View profile

Aba Experts Inc

BLOS ANGELES, CA 90025
CSLB 1129879
(310) 592 3544View profile

Abacus Construction

BPALOS VERDES PENINSULA, CA 90274
CSLB 642182
(310) 897 8729View profile

Abarbanel Roi

BSTUDIO CITY, CA 91604
CSLB 1006321
(323) 206 0548View profile

Abayov Erez

B| C46WEST HILLS, CA 91307
CSLB 1089428
(818) 652 9868View profile

Abbad Construction and HVAC

B| C20ENCINO, CA 91416
CSLB 774347
(818) 636 8100View profile

Abbassian Mehran

BVALENCIA, CA 91355
CSLB 839749
(661) 609 0540View profile

Abbott Construction LLC

BPASADENA, CA 91105
CSLB 496901
(626) 462 9557View profile

Abby B H Construction

BRANCHO PALOS VERDES, CA 90275
CSLB 946833
(310) 415 6967View profile

ABC Advance Builder & Constructor Inc

BGRANADA HILLS, CA 91344
CSLB 989468
(310) 903 9505View profile

ABC Best Construction Co

BPASADENA, CA 91104
CSLB 653810
(626) 787 6665View profile

ABC Construction

BNORTH HOLLYWOOD, CA 91601
CSLB 1060750
(323) 373 5657View profile

ABC Construction Co

BCERRITOS, CA 90703
CSLB 585463
(562) 900 2225View profile

ABC Home Builders Inc

BWOODLAND HILLS, CA 91367
CSLB 1034506
(310) 929 2688View profile

Aaxis Construction

A| BLOS ANGELES, CA 90039
CSLB 932901
(310) 735 9705View profile

Abadan Construction Company

A| BSANTA CLARITA, CA 91390
CSLB 1125034
(310) 367 4121View profile

ABC Building Care Inc

A| B| C36GLENDALE, CA 91205
CSLB 954064
(818) 434 5049View 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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