Ab Knolling Construction and Contracting
BGLENDALE, CA 91205
(917) 447 4078View profileLicensed under Class B (General Building)
Find CSLB-licensed general contractors in City Of Industry, CA. Every listing shows an active licence number you can check yourself.
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Hiring a general contractor in City Of Industry means hiring the person who coordinates everyone else — schedule, subcontractors, permits, inspections and the order things happen in. On a job with more than two trades, that coordination is most of what you are paying for, and it is the part that is hardest to judge from a quote.
The most useful question you can ask is who will actually be on site and how often. A general contractor running four projects is not necessarily worse than one running one, but you should know which you are hiring, and who to call when something needs a decision that day.
CSLB defines Class B (General Building) as a contractor whose principal business involves structures requiring at least two unrelated building trades. It is the broadest residential classification, which is why it is the one most often needed when a project crosses trades.
Each contractor listed holds an active licence in that classification at a City Of Industry address, and the number links to the CSLB record. The register is also where a suspended or expired licence shows up, so it is worth a second look before a large payment, not only before the first one.
None of that tells you how a contractor handles the part of the job nobody quotes for: the wall that is not where the drawings said, the fixture discontinued between order and delivery, the inspector who wants something changed. These happen on most projects. Ask for an example from a recent job and how the cost was settled. A contractor who describes a change order process — written, priced, signed before the work proceeds — is telling you something the register never will. One who says surprises do not happen on their jobs has either not had many jobs or is not describing them accurately. Check too that the licence name matches the entity on your contract.
Every licence number below links to its record at cslb.ca.gov, where you can confirm status and expiry yourself.
57 registered in City Of Industry · 23,334 active CLEAR licences across Los Angeles County · page 29 of 973
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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.
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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.
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Licence first. References second. Reviews last. Why that order.
Get matched with a licensed proThese sit under the same Class B (General Building) licence, so the same contractors are qualified for them.
CSLB defines it as a contractor whose principal business is with structures requiring the use of at least two unrelated building trades. It is the classification that covers most whole-house construction and multi-trade projects.
The register lists 57 with an active Class B licence at a City Of Industry address, and 23,334 across Los Angeles County. The count is read live from the register each time this page is built.
When the job crosses two or more unrelated trades. A single-trade job — just plumbing, just roofing — can go to a specialty contractor licensed for it. Once trades have to be sequenced against each other, coordination becomes the job.
That the contractor is currently permitted by California to do this work, and that the state holds a record for them. It does not speak to quality, price, insurance or reliability. Those come from references, a written contract and seeing finished work.
Most multi-trade residential work routes through the building department with jurisdiction over your City Of Industry address for plan check and inspection. Ask your contractor to name the permit numbers and inspection sequence before work starts.
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