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BZ SCORE: 90

Mark Mitsko & Sons General Construction

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BZ SCORE: 90

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Updated: Apr 07, 2026

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License Not Verified

License #	NHC.0018059
Status	Active
State	Connecticut
Type	New Home Contractor

When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Mark Mitsko & Sons General Construction LLC with the Connecticut Department of Consumer Protection

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

License Not Verified

License #	HIC.0625614
Status	Active
State	Connecticut
Type	Home Improvement Contractor

When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Mark Mitsko & Sons General Construction LLC with the Connecticut Department of Consumer Protection

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

90

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Before you Hire

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

Does Mark Mitsko & Sons General Construction Llc carry a valid contracting license?

In Connecticut, home improvement projects over $1,000 require a contractor who has a Home Improvement Contractor Certificate or a New Home Construction Contractor's Certificate.

Mark Mitsko & Sons General Construction Llc currently holds license NHC.0018059, HIC.0625614 (New Home Contractor, Home Improvement Contractor), which was Inactive when we last checked.

How important is contractor licensing in Connecticut?

The law requires that a written, signed and dated contract be prepared for every home improvement job. The contract holds both the homeowner and the contractor accountable for work and payments.

Your liability risk when hiring Mark Mitsko & Sons General Construction Llc

A contractor must show the building inspector proof of individual workers' compensation when applying for a Building permit.

Financial recourse when hiring Mark Mitsko & Sons General Construction Llc

The State maintains the 'Home Improvement Guaranty Fund,' which can provide up to $15,000 in compensation to homeowners in case their registered contractor leaves the job unfinished or provided faulty work.

What else should I know before hiring Mark Mitsko & Sons General Construction Llc

The Department of Consumer Protection doesn't perform a comprehensive financial or criminal background check so consumers have more responsibility to ensure they are making the right hire.

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 Connecticut,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.

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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.