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There are 39 highly-rated local contractors.

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TRUSTED BY COMMACK, NY HOMEOWNERS

Average homeowner rating star icon4.5
Average homeowner rating
Verified reviews icon73
Verified contractor services reviews

Contractors in Commack

5-15 EMPLOYEES, GENERAL CONTRACTOR, SUB- CONTRACTOR


Braveheart Construction Corp
PO Box 1124
No reviews
Braveheart Construction Corp
PO Box 1124
No reviews
20 years of experience

We are a small but efficient operation. Braveheart is owner operated and a family run business with over 30 years of experience, we are hands on and will be at your job working!

We are a small but efficient operation. Braveheart is owner operated and a family run business with over 30 years of experience, we are hands on and will be at your job working!


Gillespie's Home Improvement
142 N Ontario St
4.45(
22
)
Gillespie's Home Improvement
142 N Ontario St
4.45(
22
)
14 years of experience

Looking for a local, experienced Home Remodeling Company? Make old look new, new look better, and better look the best. Our family owned and operated home improvement company specializes in quality work that helps turn your house into a home. Tackling a wide variety of construction repairs and remodeling projects - bathrooms, basements, trim & molding, flooring, tile, ceilings, closets, built-ins, etc. Contact us for a free estimate!

"I recently sued michael gillespie and won my case for 4,450 for a horrible installation of my floor. Mike has not paid me in the allotted time frame and ghosted me. I'm looking into having his license suspended. In nys when a gc does not pay a lawsuit against their work.. they get the license suspended until the judgement is satisfied. Be very careful with this guy!!! He's a scam artist. Look him up on ecourts and Google him for his previous company names. ( he changes it)"

Debra H on January 2025

Looking for a local, experienced Home Remodeling Company? Make old look new, new look better, and better look the best. Our family owned and operated home improvement company specializes in quality work that helps turn your house into a home. Tackling a wide variety of construction repairs and remodeling projects - bathrooms, basements, trim & molding, flooring, tile, ceilings, closets, built-ins, etc. Contact us for a free estimate!

"I recently sued michael gillespie and won my case for 4,450 for a horrible installation of my floor. Mike has not paid me in the allotted time frame and ghosted me. I'm looking into having his license suspended. In nys when a gc does not pay a lawsuit against their work.. they get the license suspended until the judgement is satisfied. Be very careful with this guy!!! He's a scam artist. Look him up on ecourts and Google him for his previous company names. ( he changes it)"

Debra H on January 2025


C.D. Development
No reviews
C.D. Development
No reviews
9 years of experience

C.D. Development provides small remodeling services, full restorations, new construction and everything in between. Based on the south shore of Long Island, servicing all of Long Island, New York City, Upstate New York and New Jersey.

C.D. Development provides small remodeling services, full restorations, new construction and everything in between. Based on the south shore of Long Island, servicing all of Long Island, New York City, Upstate New York and New Jersey.


GM DIAMOND'S CONSTRUCTION LLC
8446 129TH ST
No reviews
GM DIAMOND'S CONSTRUCTION LLC
8446 129TH ST
No reviews
33 years of experience

Whether it's getting your home remodeled or fixing damage that's been done to your home, we're here to help you every step of the way. G.M Diamonds Construction LLC has dedicated all to customer satisfaction, so we really mean it when we say we're here to help you.

Whether it's getting your home remodeled or fixing damage that's been done to your home, we're here to help you every step of the way. G.M Diamonds Construction LLC has dedicated all to customer satisfaction, so we really mean it when we say we're here to help you.


Heintz Bros Construction
2206 Barcley Ct
No reviews
Heintz Bros Construction
2206 Barcley Ct
No reviews
12 years of experience

Heintz bros construction 4 brothers "We do everything from the ground up" No job is to big or too small Great work for a great price Free estimates

Heintz bros construction 4 brothers "We do everything from the ground up" No job is to big or too small Great work for a great price Free estimates


Zenko Construction Co.
9 Mott Avenue
No reviews
Zenko Construction Co.
9 Mott Avenue
No reviews
16 years of experience

hether it is a small project or complicated project, Zenko Construction Co. is committed to its clients. Our main intention in this page to identify what kind of service you require in order to complete your construction project. Many services are combined with each other. For example, you are about to change the tiles in bathroom. This small project may seem easy and not that costly; on the other hand, once our professional will visit the site and investigate the root of the problem, bathroom renovation may extend to "Plumbing Services". Overall, Our Services section will give you a quick look what kind of service we offer.

hether it is a small project or complicated project, Zenko Construction Co. is committed to its clients. Our main intention in this page to identify what kind of service you require in order to complete your construction project. Many services are combined with each other. For example, you are about to change the tiles in bathroom. This small project may seem easy and not that costly; on the other hand, once our professional will visit the site and investigate the root of the problem, bathroom renovation may extend to "Plumbing Services". Overall, Our Services section will give you a quick look what kind of service we offer.




Signature Contractors
1570 Nepperhan Ave
No reviews
Signature Contractors
1570 Nepperhan Ave
No reviews
21 years of experience

Your go to General Contractor for all of your home improvement/home renovation needs.

Your go to General Contractor for all of your home improvement/home renovation needs.

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FAQs for contractor service projects in Commack, NY

Generally, general contractors charge between $50 and $150 hourly, though not every contractor charges by the hour. If charging based on the project, you can expect a markup of 10% to 20% of the construction cost. You can expect to pay between $300 and $500 daily if charged by the day.

General contractors are the ones that coordinate home construction projects. They are in charge of the day-to-day oversight of the subcontractors to ensure that the project is completed on time and to resolve problems as they arise. General contractors:

  • Complete pre-construction planning, both with the customer and crew

  • Provide realistic cost estimates

  • Develop construction timelines

  • Ensure deadlines are met

  • Acquire permits as needed

  • Purchase supplies and materials

Before hiring a general contractor for your home project, it’s a great idea to write down a list of questions to discuss with each prospect. Some example questions to get you started include:

  • Which types of insurance do you carry?

  • Can you provide a list of references?

  • What is the expected timeline for this project?

  • How will my project be supervised?

  • Will you hire subcontractors for the job?

  • What is the best way to communicate changes?

  • Will you obtain all of the required building permits?

While city and state laws vary on general contractor licensing requirements, hiring an unlicensed general contractor could lead to poor quality work, costly future expenses, and potential code violations. Be sure to check our state licensing tool to review the local general contractor guidelines for your area.

As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:

  • The owner, principal, or relevant manager passed a criminal background check

  • Required to have applicable state and local licenses

  • Maintain an average star rating of 3.0 or better on our network, if they have at least one review

  • Paying to advertise their services

  • Meeting any other eligibility criteria required by Angi

Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.

Yes, most general contractors require a down payment for project completion. A reasonable down payment for a contractor is 10% to 25% of the total project cost, though that will vary based on project size and location. The down payment helps cover the upfront costs of materials and permits and helps ensure payment for the project at hand. 

The Commack, NY homeowners’ guide to contractor services
From average costs to expert advice, get all the answers you need to get your job done.
A land with grass and trees
•
May 9, 2025
May 9, 2025
Going from an undeveloped plot to your dream home can be expensive. Learn about the cost to develop land and what factors can affect your total.
An empty room with wood ceiling
•
May 14, 2025
May 14, 2025
The cost to install a tongue and groove ceiling depends on the size of the space and the cost of labor. This guide can help you price out your remodel.
MOTHER AND DAUGHTER HAVING FUN IN KITCHEN
•
Dec 20, 2024
Dec 20, 2024
Strong floor joists are the key to a structurally safe home. The cost of floor joist repair will often come down to what is causing the problem.
home with screened patio deck
•
Mar 14, 2025
Mar 14, 2025
What is dry rot and how do you manage it? Dry rot is a fungus that attacks wood. Learn how to get rid of it before it causes structural damage.
Big kitchen blue cabinet family table kid mom window
•
May 19, 2025
May 19, 2025
Ready to dive into that home reno but tight on funds? Learn all the different ways to finance home renovations to get your work underway and stay on budget.
A view of the first floor of a house being framed
•
Jun 18, 2025
Jun 18, 2025
Curious about how to frame a house like a professional? While it's rarely a DIY job, understanding the process can prepare you for your upcoming home construction.
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