LA Electric Experts
Whole-house rewiring

Whole-house rewiring in Los Angeles

Whole-house rewiring in an older Los Angeles house happens in stages, and you keep living there while it runs. Before anything starts we tell you what goes first and which walls get opened, so you know what the place looks like in between.

Coming out to look is free. Your price the same day you ask.

An electrician pulling new cable along an attic rafter bay beside old ceramic knob-and-tube insulators.

What decides this job

  1. Which walls get opened, which the cable route decides
  2. One story or two: a two-story house takes more wall
  3. What turns up once a wall is open
  4. Which utility and which permit desk your address is on. Look up your address
Read the whole of it below ›

A rewire happens in stages

Nobody rewires a house in a day and nobody moves out for one either. The work runs in stages: the service and the panel, then the circuits that carry the most load, then the rest of the house, with the place habitable between each one.

Before any of it starts you get the order in writing: which rooms go first and what is live while each stage runs. It also says where the work stops for the day.

Which walls get opened

Getting new cable into a finished house means openings, and where they go is decided by where the cable can run, and that is not always where you would want them. Attics and crawl spaces take most of it in a single-story house. A two-story house takes more wall.

Getting the cable in is our work. Making the wall look the way it did before is plastering and painting, and that is a separate bill unless your quote says otherwise.

A rectangle of drywall cut away in an older Los Angeles house, exposing the studs and the lath behind, with a new white cable stapled up one stud and an old cloth-covered conductor fraying beside it.A wall opened for a rewire
Knob-and-tube wiring on ceramic knobs along an attic joist, with the cloth insulation fraying in one place.Knob-and-tube · pre-1930

Knob-and-tube, and what makes it a problem

Knob-and-tube is not automatically unsafe. It was installed to the standard of its day and plenty of it is still intact. It turns into a problem when insulation gets packed over conductors that were designed to shed heat into open air, or when decades of splices are added by people who were not electricians. Some insurers also refuse to write a policy on a house that still has it.

So the usual questions are whether it can carry what you are about to plug into it and whether you can insure the house. Whether it is dangerous today is rarely one of them.

Many Craftsman houses in Pasadena and 1920s bungalows in Hollywood still have it. Our Pasadena and Hollywood pages cover the wiring in those houses.

Cloth-covered conductors, which are not the same thing

Houses from the thirties to the fifties usually have rubber and cloth insulated conductors in metal or early non-metallic cable. The copper is fine. The insulation is brittle and it fails where it has been handled, which is at the boxes.

That is why a rewire in one of these houses sometimes starts as a job to add a circuit.

What is not in the price

  1. Drywall, stucco and paint. Opening the wall is part of the job. Putting the finish back is not, unless your quote says it is.
  2. Circuits we find once the wall is open. If something behind it is not safe to reconnect, that is new work and it gets its own price before anyone touches it.
  3. Asbestos and lead. If a test is needed, that is specialized abatement work. We do not do it, and it is not in the price.
  4. Temporary power, if you need the house live while the service is off.
  5. Anything that is not written down. If it is not on the quote it is not in the price.
A residential Los Angeles street in late afternoon with overhead service drops running from the poles to the houses.

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