In California, the relationship between businesses and independent contractors is subject to strict legal standards. As of January 1, 2025, having a written contract with certain types of independent contractors is required by law.
In general, construction labor is not taxable. Installation labor of a fixture in most cases is also exempt from taxation, but the fabrication labor involved in the creation of a fixture is taxable.
On public jobs, California law caps retainage at 5% prior to completion and acceptance of the project. After 95% of the work is complete, withheld funds may be reduced to at least 125% of the estimated value of the unfinished work.
Sales tax generally does not apply to charges for installation labor. For example, tax would not apply to your itemized charges for installing a car stereo in a used car. Please note that it can be difficult to tell the difference between nontaxable installation and taxable fabrication on site.
In general, businesses which provide a service that does not result in a tangible good are exempt from sales tax, as it only applies to goods. For example a freelance writer or a tradesperson is not required to remit sales tax, although a carpenter making custom furniture is so required.
In general, construction labor is not taxable. Installation labor of a fixture in most cases is also exempt from taxation, but the fabrication labor involved in the creation of a fixture is taxable.
On public jobs, California law caps retainage at 5% prior to completion and acceptance of the project. After 95% of the work is complete, withheld funds may be reduced to at least 125% of the estimated value of the unfinished work.
In order to claim exemption from state income tax withholding, employees must submit a W-4 or DE-4 certifying that they did not have any federal tax liability for the preceding year and that they do not anticipate any tax liability for the current taxable year.
Oregon withholding taxes are due the same time as your federal taxes. Unemployment, transit taxes, and the Workers' Benefit Fund assessment payments are due the last day of the month following the end of the calendar quarter. Form OQ quarterly reports are due: First quarter, due April 30.
Some states, including Washington, may require you to use their state-specific form or provide additional information. Oregon does not have a Sales Tax Exempt certificate.