1. Home
  2. Second-Story Addition Contractors
  3. Vernon

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.

Get matched with a licensed proSearch all trades

Second-Story Addition Contractors in other cities

Agoura HillsAlhambraAltadenaArcadiaArletaAzusaBaldwin ParkBell GardensBellflowerBeverly HillsBurbankCalabasas

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 40 of 973

Advanced Restoration & Construction

BLOS ANGELES, CA 90046
CSLB 1079210
(818) 223 7967View profile

Advanced Tectonics

BSAN PEDRO, CA 90731
CSLB 1155215
(424) 210 9900View profile

Advancing Communities Together

BPALMDALE, CA 93550
CSLB 987410
(661) 266 8900View profile

Advantage Design & Build

BCLAREMONT, CA 91711
CSLB 1055816
(626) 890 8218View profile

Advantage Project Builders

B| C10AZUSA, CA 91702
CSLB 808872
(626) 393 2207View profile

Advent Concepts Inc

BMONTEBELLO, CA 90640
CSLB 1084142
(562) 741 7422View profile

Advise Re Developers Inc

BLOS ANGELES, CA 90048
CSLB 1142184
(310) 795 4370View profile

Ady Service

BSHERMAN OAKS, CA 91423
CSLB 793739
(818) 401 5555View profile

Ae Builders LLC

BNORTHRIDGE, CA 91325
CSLB 1075621
(818) 358 5269View profile

Ae Modern Builders Inc

BGLENDALE, CA 91206
CSLB 1061716
(626) 705 7379View profile

Ae3 Construction Co

BGLENDALE, CA 91206
CSLB 1133103
(818) 913 7923View profile

Aec Architecture

BNORTHRIDGE, CA 91326
CSLB 795060
(818) 653 2289View profile

Aed

BSAN MARINO, CA 91108
CSLB 1122460
(626) 831 8138View profile

Aedifice Rex Inc

BLOS ANGELES, CA 90026
CSLB 695941
(213) 484 3944View profile

Aeroscopic Environmental Inc

BGLENDALE, CA 91201
CSLB 618185
(818) 543 3930View profile

Aerostar Construction Inc

BENCINO, CA 91436
CSLB 941006
(818) 203 7523View profile

Aes Creative Inc

B| C33AZUSA, CA 91702
CSLB 961582
(626) 334 9388View profile

Aesthetic Design Construction

BSUNLAND, CA 91040
CSLB 921515
(818) 371 6866View profile

Af Developments LLC

BBURBANK, CA 91504
CSLB 1130326
(818) 455 6667View profile

Afas 4 Restore Contractors Inc

BNORTHRIDGE, CA 91325
CSLB 1127190
(626) 252 3161View profile

Ae Technic Inc

A| B| C10| C20| C46GLENDORA, CA 91740
CSLB 906078
(213) 300 6051View profile

Aecom Technical Services Inc

A| ASB| B| C10| C21| C57| HAZLOS ANGELES, CA 90071
CSLB 641639
(213) 593 8100View profile

Aes Industrial Inc

A| B| C-4| C20| C34| C36| C38PASADENA, CA 91101
CSLB 1049754
(510) 346 4300View profile

Af Construction Inc

A| B| C-8| C10| C20| C36| HAZPACIFIC PALISADES, CA 90272
CSLB 942352
(310) 424 8000View profile
PreviousNext

Rather have us narrow it down?

Tell us what the job is and we will point you to licensed second-story addition contractors in Vernon.

Get matched

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.

Get matched with a licensed pro

Related Services in Vernon

These sit under the same Class B (General Building) licence, so the same contractors are qualified for them.

  • Find a licensed adu contractors contractor in Vernon
  • Find a licensed general contractors contractor in Vernon
  • Find a licensed garage conversions contractor in Vernon
  • 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

True Local Pros

A Division of Legno Hardwood LLC

We are your trusted local experts for premier home improvement services in Los Angeles and the surrounding areas. Dedicated to quality craftsmanship and customer satisfaction.

Address:

9208 S. Vermont Ave,

Los Angeles, California 90044

Email:

Quick Navigation

Explore our site:

  • Home
  • About Us
  • How to Hire
  • Contractor Directory
  • Services
  • FAQ
  • Contact Us

Connect With Us

Follow our projects and updates:

Ready to start your project?

Don't wait to upgrade your home.

GET A FREE QUOTE TODAY!

Our Services

  • Plumbing
  • Electrical
  • HVAC
  • Gardening & Landscaping
  • Hardwood Flooring
  • Roofing
  • General Contractors
  • Interior Design

© 2026 True Local Pros. All Rights Reserved.

Privacy Policy|Terms of Service
Truelocal pros
Home
Contractor DirectoryAbout UsFor ContractorsContactFAQPreferred Suppliers
Get Started
No account required