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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 1 of 973

Aey Builder

BVERNON, CA 90058
CSLB 1115543
(310) 486 4464View profile

Agave Design Build

BVERNON, CA 90058
CSLB 1078183
(323) 919 1845View profile

Ginkgo GRP Inc

BVERNON, CA 90058
CSLB 1131969
(310) 733 7739View profile

Hansolo Building Services Inc

B| C36VERNON, CA 90058
CSLB 633318
(323) 277 3070View profile

Kooler Air Conditioning & Heating

B| C10| C20VERNON, CA 90058
CSLB 738986
(323) 582 7000View profile

Modular and Data Services Corp

B| D34VERNON, CA 90058
CSLB 1013336
(323) 819 2000View profile

Pinky's Iron Doors LLC

B| C17VERNON, CA 90058
CSLB 1050056
(844) 843 6677View profile

Utopia Development Inc

BVERNON, CA 90058
CSLB 710612
(323) 582 5200View profile

Optimum Seismic Inc

A| BVERNON, CA 90058
CSLB 1012702
(323) 605 0000View profile

Sahabi Ali

A| BVERNON, CA 90058
CSLB 681124
(323) 605 0000View profile

V G I Group

A| BVERNON, CA 90058
CSLB 856164
(323) 605 0000View profile

04Pan Nogada

BGLENDALE, CA 91203
CSLB 1150176
(310) 494 1636View profile

1 and 1 Electric Inc

B| C10CANOGA PARK, CA 91304
CSLB 896687
(818) 401 3734View profile

1 Day Kitchen Bath & Tile Construction Corporation

B| C54LAWNDALE, CA 90260
CSLB 998396
(310) 370 0282View profile

1 Degree Construction Inc

BSTUDIO CITY, CA 91604
CSLB 1075129
(310) 804 8933View profile

1 Design Construction Corp

BLOS ANGELES, CA 90057
CSLB 929941
(213) 384 0011View profile

1 Oak Remodeling

BENCINO, CA 91316
CSLB 1015424
(877) 448 1625View profile

1 Smart Build Inc

BWOODLAND HILLS, CA 91364
CSLB 1076428
(866) 419 8840View profile

1 St Choice Energy Builders Inc

BTARZANA, CA 91356
CSLB 1065579
(818) 277 0514View profile

1 St Choice Restoration LLC

BPORTER RANCH, CA 91326
CSLB 1139001
(818) 912 3232View profile

1 Stop Builders

BMISSION HILLS, CA 91345
CSLB 1033108
(877) 220 5575View profile

1 Stop Building Construction

BLONG BEACH, CA 90905
CSLB 973350
(562) 318 7515View profile

1 Stop Kitchen & Bath LLC

BRESEDA, CA 91335
CSLB 1048664
(818) 708 7777View profile

1 St California Construction Inc

A| BPASADENA, CA 91117
CSLB 845184
(626) 533 5673View 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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  • Find a licensed custom home builders contractor in Vernon
  • Find a licensed tenant improvements contractor in Vernon

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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