"Cold Steel" by Terry Johnston // CC BY 2.0

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Westminster, CO

Martin J Holdridge

this is my business

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Updated: Jun 30, 2026

Martin J Holdridge Plumber

Martin J Holdridge at 8232 W 98TH AVE., Westminster, CO 80021, held a Plumber license (#300499) with the Colorado contractors license board with an expiration date of 08-31-1999. We last verified the license was expired on 06-29-2026.

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 55,949 Colorado 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 #	300499
Status	Inactive
State	Colorado
Type	Residential Plumber

According to the Colorado Division of Professions and Occupations, 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 Martin J Holdridge at the Colorado Division of Professions and Occupations.

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

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BuildZoom Score

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*No active license on file. If you are Martin J Holdridge, 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 Colorado:

Does Martin J Holdridge carry a valid contracting license?

General construction contractors in Colorado are not licensed by the state. You should check for license requirements at the local level. Electrical and plumbing contractors require a license to work in the state.

Martin J Holdridge currently holds license 300499 (Residential Plumber), which was Inactive when we last checked.

How important is contractor licensing in Colorado?

Colorado does not require contractors to take an exam or prove work experience, we advise homeowners to ask for multiple references when vetting a contractor to perform work on their homes.

Your liability risk when hiring Martin J Holdridge

Colorado does not require contractors to carry general liability insurance, but it is always a good idea to hire contractors who are covered by an active policy. Ask your contractor for copies of their policy before work starts.

Financial recourse when hiring Martin J Holdridge

A bond is not required in Colorado, consumers can file complaints with the Colorado Attorney General's Department of Consumer Protection.

What else should I know before hiring Martin J Holdridge

Colorado does not run a financial or criminal background check on contractors prior to licensing so there is more responsibility on the consumer to make the right choice. Some consumers run their own background check on the Colorado Bureau of Investigation site before hiring.

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

Before hiring a contractor in Colorado,be sure to get at least 3 detailed bids. Quality contractors will take the time to explain their budget proposal, and help guide you through the estimate process. Be wary of an abnormally low bid, they are not worth the risk. These underpriced projects often do not end well for the homeowner, choose a contractor you trust and can clearly communicate with. BuildZoom has 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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