"Concrete Housing Construction" by Concrete Forms // CC BY 2.0

C

ALERT

Collins Mechanical

this is my business

ALERT

Home

/

Search

/

Best HVAC/Mechanical Contractors in Knoxville

Updated: Apr 14, 2026

Collins Mechanical

Collins Mechanical at Knoxville, TN 37938, held a HVAC/Mechanical Contractor license (#53628) with the Tennessee contractors license board with an expiration date of 11-30-2007. We last verified the license was expired on 04-10-2026.

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 55,771 Tennessee contractors.

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

Recent Buildzoom Projects

Inactive License

License #	53628
Status	Inactive
State	Tennessee
Type	Contractor, Contractors: Contractors And Ltd Licensed Plumbers

According to the Tennessee Department of Commerce and Insurance, 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 Collins Mechanical at the Tennessee Department of Commerce and Insurance.

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

ALERT*

BuildZoom Score

How the BuildZoom Score works
*No active license on file. If you are Collins Mechanical, click “This is My Business” to update your information.

Follow this contractor

Before you Hire

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

Does Collins Mechanical carry a valid contracting license?

Contractors in Tennessee must acquire a home improvement contractor's license before bidding or offering a price for projects $3,000 and up. For projects with a total cost of $25,000 and up, a contractor must be licensed as a Prime Contractor, or Subcontractor. Masonry contractors must be licensed to do projects with a total of $100,000 and up.

Collins Mechanical currently holds license 53628 (Contractor, Contractors: Contractors And Ltd Licensed Plumbers), which was Inactive when we last checked.

How important is contractor licensing in Tennessee?

Contractors in Tennessee are required to pass a business and law exam, and must submit a letter of reference to prove work experience before they can be licensed.

Your liability risk when hiring Collins Mechanical

Contractors in Tennessee must carry both general liability and workers compensation insurance. Request a copy of current insurance certificates before any work begins.

Financial recourse when hiring Collins Mechanical

Licensed contractors in Tennessee must obtain a surety bond before performing construction work on residential properties. A home owner may file a claim against this bond to recoup losses or damages incurred during the construction project.

What else should I know before hiring Collins Mechanical

In order to become licensed in Tennessee, contractors must submit a reviewed or audited financial statement prepared by a licensed independent accounting firm. To obtain an unlimited license, the contractor must show $300,000 in working capital.

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 Tennessee, 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…

Browse remodeling photos

If you are looking for remodeling ideas, you can browse hundreds of beautiful photos of work performed by our general contractors.

Browse building permits

You can use our building permit search to see the contractors who are active in your neighborhood and the projects currently taking place.

Get a cost estimate

Use our remodeling calculator to get a ballpark estimate for your project. If you're ready to hire, use our bidding system to get actual quotes from local contractors.