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Good to know · Licenses, permits, homes, weather

Good to know

Plain answers about contractor licenses, building permits, older homes, contracts and the weather in Humboldt and Trinity County, each with its sources linked on its own page.

Hiring a contractor

  1. 01How do I check a contractor's license in California?Use the Contractors State License Board's lookup. Search by license number, business name or the contractor's name, and the record shows the status of the license. Humboldt Bay Construction Co.'s number is 1137566: class B, General Building.
  2. 02When does a job need a licensed contractor in California?The $1,000 exemption from California's contractor license law, in Business and Professions Code §7048, applies only if all of these are true: the whole price, labor, materials and everything else included, is under $1,000; the work needs no building permit; it is not part of a larger job, and the work has not been divided into contracts of under $1,000 each, for whatever reason; the person does not advertise, or put out a sign, card or other device, that might tell the public they are a contractor or qualified to work as one; and the person does not employ anyone to do the work or help with it. The license law's other exemptions are in sections 7040 to 7054.5 of the same code. Humboldt Bay Construction Co. is licensed: #1137566, B, General Building.
  3. 03How big can the down payment be on a home improvement job in California?On a home improvement contract in California, the down payment cannot be more than $1,000 or 10 percent of the contract amount, whichever is less, and apart from the down payment the contractor cannot ask for or accept more than the value of the work done or the materials delivered. Neither limit applies to a contractor who furnishes a performance and payment bond, a lien and completion bond, or a bond equivalent or joint control approved by the registrar, covering full performance and payment. What a home improvement contract must say, and when it must be in writing, is set out in California Business and Professions Code sections 7159 and 7159.5.
  4. 04What does a contractor's bond cover in California?A California contractor's license bond has to be $25,000; it rose to that amount on January 1, 2023. Who can make a claim against the bond is set out in Business and Professions Code §7071.5.
  5. 05Can I cancel a home improvement contract in California?When a home improvement contract can be cancelled, how long the buyer has and the exceptions are set out in California Civil Code sections 1689.5 to 1689.14 and Business and Professions Code §7159.
  6. 06How do I see whether a contractor carries workers' compensation?The license board says a contractor's insurance information is on the contractor's license history page. What the license board requires of contractors for workers' compensation, and for which license classes, is set out on its workers' compensation page.
  7. 07What does it mean to pull a permit as an owner-builder?Who can build as an owner-builder, and on what conditions, is set out in Business and Professions Code §7044, and the license board explains what an owner-builder takes on.

Older homes and new homes

  1. 01Does California's water-saving fixture law apply to my older home?California's water-conserving fixture law covers homes built and available for use on or before January 1, 1994. When a single-family home is altered or improved under a permit, the applicant has to replace every noncompliant fixture with a water-conserving one before the building department gives final permit approval. The law does not apply to registered historical sites, to property where a licensed plumber certifies that water-conserving fixtures are not technically feasible, or to a building whose water service is permanently disconnected.
  2. 02Does a new home in California need solar panels?Which newly built homes need a solar power system, where it can go and the exceptions are set out in section 150.1(c)14 of the 2025 California Energy Code, which the Energy Commission explains on its solar page. The 2025 Energy Code applies to buildings whose permit applications are submitted on or after January 1, 2026.
  3. 03How high does a deck railing have to be in California?Guards are required on open-sided floors, stairs, ramps and landings that are more than 30 inches above the floor or grade below at any point within 36 inches of the open edge (R321.1.1). Insect screening does not count as a guard. Required guards have to be at least 42 inches high (R321.1.2). On the open sides of stairs, guards have to be at least 34 inches high, measured from a line along the nosings. Where the top of a guard on the open side of stairs also serves as the handrail, it has to be at least 34 and no more than 38 inches high, measured from a line along the nosings.
  4. 04How steep can stairs be under the California code?The rules for stair risers and treads, and their exceptions, are in section R318.7 of the 2025 California Residential Code.

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