50% up front is normal especially on smaller projects. On larger projects you should argue against 50% and instead set a calender of stages and payments.
A homeowner has up to eight years after a project has been substantially completed to file a construction defect claim.
When is a contract legally binding? Typically, a document that includes an offer, acceptance, and appropriate consideration will be considered legally binding. In most cases, a contract is binding in Arizona even if the parties signed it in another state.
The qualifying party must possess at least four years of contracting experience and sit for two major trade examinations when applying for a general contractor license in Arizona. The state requires contractors to ace the AZ Statutes and Rules Training Course and Exam (SRE) and Trade exam in their specialty areas.
An extension of time is usually only given if the contractor proves that the delay to the completion date is not down to his action or inaction. Common reasons for an extension of time would include adverse weather, variations to the works from the employer or difficulties encountered on site.
In general, a building permit is required when any structural change or major alteration is made to a building or when any new construction is undertaken. When applicable, separate permits for mechanical, plumbing and electrical work are required. Your proposed project must comply with the zoning code.