What a window and door website in Los Angeles has to show: the license rules that apply, the counties you can serve, and a free audit of the site you have now.
Free, on this page. Or get your free demo. Nothing to pay until it's delivered.
Counties: Census metro and county estimates, 2024.
License
What Los Angeles asks of a window and door business, and where your website comes in.
Checked 2026-10-05 at each source. Not legal advice: rules change, so check with the board before you rely on one.
State · California Contractors State License Board (CSLB)
Windows sit under C-17 Glazing and doors under D-28. Advertise the ones you hold, with the number.
“Every person licensed pursuant to this chapter shall include his license number in: (a) all construction contracts; (b) subcontracts and calls for bid; and (c) all forms of advertising”
What it covers
“A glazing contractor selects, cuts, assembles and/or installs all makes and kinds of glass, glass work, mirrored glass, and glass substitute materials for glazing; executes the fabrication and glazing of frames, panels, sashes and doors; and/or installs these items in any structure.”
“A doors, gates and activating devices contractor installs, modifies or repairs all types of residential, commercial or industrial doors including overhead or sliding door assemblies.”
California · every trade
CSLB counts any website or post that asks for work on the internet as advertising.
CSLB, Advertising Guidelines for ContractorsCalifornia · every trade
Advertise only the work your classification covers, and never say you are bonded.
CSLB, Advertising Guidelines for ContractorsOn your website
Put the number in the footer of every page and beside every quote form, under the business name it is issued to. Read every page as an ad: that is the safe reading of these rules.
Service area
The Los Angeles-Long Beach-Anaheim, CA metro: 2 counties.
California licenses contractors state-wide through the CSLB, so these rules hold across both counties of the metro.
Free audit
Type your website and get a plain report, written for window and door businesses. Then compare it with the license and service area notes above.
Written for window and door businesses.
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