California State Web Site

Prequalification

Department of Transportation (CalTrans)
California Pre-Qualification of Contractors Seeking to Bid on Public Works Projects
Contractor  (Click on this link, then click on the state and click on Department of Transportation.)

Licensing

Business Permits Made Simple
California Contractor
Blueprint for Becoming a California Licensed Contractor
California Contractors License Law and Reference Book
California Architects
California Department of General Services Division of State Architect
Contractor  (Click on this link, then click on the state.)

Labor and Unemployment Insurance

Employment Development Department
Unemployment Insurance

Income Taxes

California Franchise Tax Board

Public Works

California State Contracting Manual
California Bond Basics: A Brief Discussion About Bonds
California Civil Code Title 15 Chapter 1 General Definitions  (Click on this link, then scroll down to Title 15 Chapter 1 and click on Sections 3082-3106.)
California Public Contract Code Part 1 Chapter 7 Contract Clauses  (Click on this link, then scroll down to Part 1 Chapter 7 and click on Sections 7100-7200 for Public Works Contracts.)
California Public Contract Code Part 2 Chapter 1 Article 7 Contract Requirements  (Click on this link then, scroll down to Part 2 Chapter 1 Article 7 and click on Sections 10220-10233.)

Mechanics' Liens

California Civil Code Sections Title 15 Chapter 2 Mechanics  (Click on this link, then scroll down to Title 15 Chapter 2 and click on the section you want to see.)

General

California Tax Information Center
California Building Standard Commission
California Department of General Services
California Department of General Services Office of Public School Construction