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Mark One PlumbingLLC

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Updated: Jun 05, 2026

Mark One PlumbingLLC

Mark One PlumbingLLC at Scottsdale, AZ 85255, held a Plumber license (#322538) with the Arizona contractors license board with an expiration date of 11-30-2024. We last verified the license was revoked on 06-04-2026.

Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 71,576 Arizona contractors.

If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.

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Inactive License

License #	322538
Status	Inactive
State	Arizona
Type	Specialty Dual

According to the Arizona Registrar of Contractors, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Mark One PlumbingLLC at the Arizona Registrar of Contractors.

This is a sample of licensing data; click here to access a complete history.

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*No active license on file. If you are Mark One PlumbingLLC, click “This is My Business” to update your information.

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Before you Hire

Here are some rules, regulations, and laws governing general contractors in Arizona:

Does Mark One Plumbing Llc carry a valid contracting license?

Although the State of Arizona allows its residents to hire unlicensed contractors, it strongly encourages them to hire licensed contractors for remodeling or construction work.

Mark One Plumbing Llc currently holds license 322538 (Specialty Dual), which was Inactive when we last checked.

How important is contractor licensing in Arizona?

The Arizona Registrar of Contractors maintains high standards for licensing. Applicants are required to pass a written board exam and prove at least four years of prior, relevant work experience (this varies a bit based on specialty).

Your liability risk when hiring Mark One Plumbing Llc

Licensed contractors in Arizona with employees are required to carry workers' compensation insurance.

Financial recourse when hiring Mark One Plumbing Llc

Residential contractors are required to provide a consumer protection bond. This may be in the form of a Surety Bond; cash deposit in the amount of $200,000; or payment into the Residential Contractors' Recovery Fund. Under certain conditions, consumers may be eligible to apply to the residential contractors' recovery fund and receive up to thirty thousand dollars to have the work corrected or completed.

What else should I know before hiring Mark One Plumbing Llc

Starting in '02, the ROC began performing a criminal background check on license applicants by checking their fingerprints against the FBI criminal database.

How is the BuildZoom score calculated?

The BuildZoom score is based on a number of factors including the contractor's license status, insurance status, verified work history, standing with local consumer interest groups, verified reviews from other BuildZoom users and self-reported feedback from the contractor.

Why you should hire through BuildZoom

When it comes to major construction work or even minor alterations to your home, hiring the wrong contractor could result in incomplete or defective work. You may even find yourself dealing with huge liability claims. BuildZoom does the homework for you and helps you hire the right contractor.

You should get several bids before hiring a contractor

The Arizona Registrar of Contractors recommends getting at least three written bids before hiring a contractor. Do not automatically accept the lowest bid - an abnormally low bid may indicate the contractor made a mistake and is not including the same work quoted by their competitors. We've made the bid collection process extremely simple (and free). Just click here to get started.

The best way to use BuildZoom is to let us recommend contractors for your remodeling projects.

Homeowners who hire through BuildZoom's free bidding system report high rates of satisfaction, and homeowners who research contractors online are twice as likely to be happy at the end of their project.

If you hire a contractor through BuildZoom, that contractor is accountable to us. We can enforce standards of behavior, mediate disputes, and guarantee satisfaction.

Read more about why hiring through BuildZoom is so effective.

BuildZoom’s database now contains every licensed contractor across the U.S. - over 2.5 million of them... Categorized contractor profiles are enriched using government data from state licensing boards, Better Business Bureau ratings, and more… BuildZoom jumped into the fray by announcing that it raised $10.6 million in a round led by Formation 8. ...the Y combinator-backed startup said it will be focused on remodeling projects, where the median budget is around $19,000… A new index compiled by BuildZoom — which identifies contractors for projects — found that renovations are running 2.8 percent above their 2005 level…

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