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    Verified subcontracting services reviews

Top-Rated Subcontractors in Greenlawn - Updated Nov 2026

Avatar for Alta Renovations Corp
Alta Renovations Corp
5.0(
30
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Warranties offered

"I Highly recommend ALTA Renovation Corp. Their performance and track record exceed all expectations. This is the second large scale job, Jose Diaz and Crew were hired by us. I have been in construction (masonry) for more than three decades, so I’m no stranger to Home Improvements and ALTA by far was the BEST Quality of work performed. They handle all aspects of your work needed. No need to hold up the job because a Plumber or Electrician can’t be there for a week. They do it all, QUALITY work and at Reasonable Price. Jose Diaz, Owner of ALTA is compassionate to your needs and is approachable and understanding. Of course, the job scope changes whiles the job is ongoing, but it never an issue with ALTA. Back to my opening sentence, I HIGHLY RECOMMEND, ALTA, Jose Diaz and Crew. PS The Crew has been with ALTA for some time and they are extremely respectful. They all loved my family, grand kids and dog. ALTA is an 11 on a scale of 1 - 10."
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+26

Response time8 hrs
22 neighbors recently requested a quote
Recommended by80%of homeowners
Memo's Home Renovations, Inc.
4.9(
153
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"We hired Memo for a kitchen renovation project that took 6-7 weeks total in 2 rounds. Our cabinets arrived in 2 shipments a few months apart so we had to do it this way. Memo and his crew were very punctual and clean. when our second shipment arrived they showed up the next day. The quality of the their work was excellent too. Abby handles the business side of things and she’s a very communicator and easy to work with. I think for the first time I can say I have no complaints working with a contractor. I absolutely recommend them, and will surely hire them again in the future."
Response time5 hrs
2 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for BuildingLI.com - BLI Facilities LLC
BuildingLI.com - BLI Facilities LLC
5.0(
32
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"The guys at HM construction group did an amazing job with my project! I needed my commercial space completely demoed and rebuilt. These guys got the job done on time and didnâ  t amazing job doing it. I highly recommend them."
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+172

Response time7 hrs
Recommended by76%of homeowners
Avatar for Arthur DeRosa Building and Remodeling
Arthur DeRosa Building and Remodeling
4.7(
13
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: True professional

"

This is the 2nd major project I contracted Art DeRosa & Co for.  The 1st being 4 years ago a major living room/family room renovation which was hugely successful.  That 1st experience led me to award Art (after several other competitive quotes) this 2nd and far larger & more complex project.







Overall it went well but this was a complicated project encompassing all the typical trades and expertise of building a new luxury house but far more complicated because it was a renovation performed while we were living in the home. Dust partition walls with wood framing had to be erected in several locations in the house which included temporary doors for entering and egress in certain areas of the remaining living areas of the house in order to protect the remaining house from dust and demolition , as well as, provide privacy for us during construction. 

Experience, Experience, Experience and Professionalism, Professionalism, Professionalism are the hallmarks of Art DeRosa and company.  He is a seasoned performer and pretty much seen it all.  Art has such a vast amount of home construction experience in both hi-end and medium end homes that he can draw upon a wealth of knowledge in all construction disciplines to implement a fine finished result.  As a former tool and die maker his penchant for hi-precision finish work yields highest quality appearances to things like moldings; trim; windows; doors; floors; etc. etc. 

This complex renovation project lasted 7 months which was within the initial time estimate given at the beginning and Art DeRosa and team were here every single day, day in and day out,  bright and early during that time frame. He did not start any other projects and stayed on the job day-in and day-out even when other sub-contractors such as plumbers and electricians were on the job site excluding his people from doing any other work. Art DeRosa and team were here every single day until final signoff.

I would not hesitate to recommend Art DeRosa & Co for any planned New House and/or House Renovation of any kind.


"
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+20

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Patzan Home Improvement Inc
Patzan Home Improvement Inc
5.0(
6
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 2008

Emergency services offered

Customers say: True professional

"Giovanni and his crew were very professional and did a wonderful renovation to my garage. Any question or concerns I had were answered to my satisfaction . I would highly recommend them for any work you may have. Mike B"
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+29

5 neighbors recently requested a quote
Recommended by83%of homeowners
Concorde Remodeling, Inc.
4.2(
48
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 2008

Free estimates

Customers say: Quick response

We are a locally owned and operated company serving the Long Island area. We are committed to excellence in everything we do. Remodeling is our passion and customer service is our specialty. Please call Concorde Remodeling, Inc., today! \n \n \n*DOES NOT HANDLE INSURANCE CLAIMS *

Remo Before and After
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Remo Before and After
Remo Before and After
Remo Before and After

+7

2 neighbors recently requested a quote
Recommended by92%of homeowners
A Plus Subcontracting, LLC
New to Angi
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

At A Plus Subcontracting, LLC, we pride our company on reliability, great communication, integrity and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Babylon custom home
Framing
Roof
Kitchen remodel
Kitchen design

+11

Response time20 mins
Response rate100%
Avatar for Silver Edge Contracting Corp.
Silver Edge Contracting Corp.
5.0(
3
)
Major Home Repairs (General Contractor)

Serving Greenlawn, NY and surrounding areas

Approved

In business since 2005

Free estimates

Customers say: Quick response

"Anthony installed a new wall,doors, molding in 2 bedrooms. He worked quickly and I was very pleaded withe quality of his work. everything went very well. When we saw something minor we wanted changed, Anthony changed it immediately. I felt like I could trust him I my house, and would recommend him to others. His pricing was competitive."
Completed Stage
Completed Stage
Entry door Complete
Front Porch
1930's bath to present time

+20

Response time2 days
Recommended by100%of homeowners
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Subcontractors FAQs, answered by experts

It is technically possible to draw your own blueprints, but the process is extremely involved and really demands help from an expert. A professional architect has an understanding of design elements, interior design, the functionality of different rooms in a home, and how everything from furniture, outlets, and light switches should be laid out to serve you and your family best. Hiring an architect for blueprints can get expensive, but it’s the most responsible way to begin a new construction project. If you’re keen on DIYing, you could consider starting the process and then having a professional take over.

Professionals such as architects, general contractors, electricians, HVAC specialists, and interior designers are crucial to effectively planning and executing significant renovations.

Costs depend on project complexity, software requirements, and the draftsperson’s experience.

No, it’s not legal for unlicensed individuals to conduct structural calculations for buildings or building repairs. Not only do licensing requirements prevent DIYers from tackling this project, but mistakes can also be extremely dangerous and put your property and anyone inside or near it at risk of severe injury or even death. You should always hire a licensed and certified local structural engineer to make structural calculations.

The most common scale for residential blueprints is 1/4 of an inch equals one foot. This scale is the most popular because it’s easier for everyone involved, from professionals to homeowners, to understand the building’s actual dimensions. Also, it allows blueprints to have the necessary details without cluttering the page.

The Greenlawn, NY homeowners’ guide to subcontracting services

From average costs to expert advice, get all the answers you need to get your job done.