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    Average homeowner rating
  • Verified reviews icon29
    Verified contractor services reviews

Top-Rated Contractors in Sag Harbor - Updated Nov 2026

Avatar for JA Carpentry Works LLC
JA Carpentry Works LLC
5.0(
33
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

Our company prides itself on reliability, integrity and quality work. When JA Carpentry Works, LLC, is hired, we make it a point to provide the highest level of customer service. We work with both residential and commercial clients, and apply the same attention to detail regardless of project size or complexity. Whether you need a small repair or NEW Renovation JA Carpentry Works, LLC, is the company to call. We look forward to earning your business! Thank you!

Kit
Kit
Kit
Kit
Kit

+18

Response time6 hrs
Response rate92%
3 neighbors recently requested a quote
Avatar for Rea Professional Construction INC
Rea Professional Construction INC
5.0(
24
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"We found REA Pro through positive reviews online. Jaime Rea was one of several contractors we interviewed. He is very prompt, energetic, and an excellent communicator. After an initial phone call and site visit, Jaime provided the estimate within a couple of days. The project – which included renovating 5 decks, repairing siding, and painting the exterior of the house – was started on time and completed within Jaime’s time estimate. His crew was very professional and personable and a pleasure to work with. We were really impressed with the quality of the work and their attention to detail. We are very happy with the final result, and would hire Jaime and his crew again for other projects."
Before
Before
Bathroom Renovation
After
After

+223

Response time6 days
Recommended by100%of homeowners
Avatar for Hampton Contracting
Hampton Contracting
5.0(
11
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

We are a quality contracting company serving the Hamptons for over 20 years! From small scale projects such as deck construction, siding, and window installation to complete home renovations. You name it we'll get it done.\n

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Response time7 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for AR Home Construction LLC
AR Home Construction LLC
5.0(
29
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

A.R. Home Construction is a premier design and build construction company specializing in luxury new home construction and high-end remodeling projects. With expertise in all aspects of construction, from conceptual design to final touches, A.R. Home Construction delivers exquisite and luxurious transformations. Our team of skilled professionals is dedicated to exceeding client expectations and creating stunning spaces that reflect unparalleled craftsmanship. Explore luxury and sophistication at our home design showroom, offering a curated selection of top -quality products for your project.

My jobs
My jobs
My jobs
My jobs
My jobs

+73

13 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Palmira Design & Construction, LLC
Palmira Design & Construction, LLC
4.9(
9
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Excellent contractor who organized a group of craftsmen - carpenters, plumbers, electricians, tile people- and completed two bathrooms in 3 weeks in time for new tenants move in. Great design ideas and high quality materials. Very skilled and high standards and worksmanship. Hal K Sag Harbor NY"
Home Remodel on HGTV!
Home Remodel on HGTV!
Home Remodel on HGTV!
Home Remodel on HGTV!
Home Remodel on HGTV!

+31

Response time2 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Arthur DeRosa Building and Remodeling
Arthur DeRosa Building and Remodeling
4.7(
13
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: True professional

"Artie & Mike are simply the best. I used them to: 1) Build a LARGE extension to my house and redo my entire kitchen and dining room. The job was completed on time and on budget. Throughout the process Artie was transparent & professional. EVERY person who has stepped into my house has complimented at the detailed perfection. 3) Artie built us a custom walk in pantry 2) Built 2 large decks in the backyard as well as an outdoor shower. This project was completed on time, on budget while exceeding all expectations. If you are looking for a contractor and crew that is responsible, responsive, polite, creative and delivers the HIGHEST LEVEL of quality - Artie is the one."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Agate & Co. Builders
Agate & Co. Builders
5.0(
13
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"Jim Agate is the perfect contractor. Helpfull with design and very knowledgeable in every aspect of construction. Neat, prompt and pleasant all day, every day. The finished bathroom was perfect, completed on time and in budget."
Sag Harbor Re-Build
Sag Harbor Re-Build
Sag Harbor Re-Build
Sag Harbor Re-Build
Sag Harbor Re-Build

+40

Response time2 days
12 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Enterprise Global Group
Enterprise Global Group
4.9(
7
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 1995

Free estimates

Small jobs welcome

At Enterprise Global Group, we bring more than 30 years of experience to every project we take on. We are committed to delivering quality workmanship, reliable service, and results that our customers can trust. Our team takes pride in paying close attention to detail and ensuring that every job is completed to the highest standards.\n\nOur promise is simple: quality work and customer satisfaction. We believe that our success is built on the relationships we create with our clients, which is why we focus on clear communication, professionalism, and exceeding expectations. Whether we're helping with a small project or a larger undertaking, our goal is to provide exceptional service and leave every customer completely satisfied with our work.\n

Deck remodel
Deck remodel
Deck remodel
Deck remodel
Deck remodel

+1

1 neighbors recently requested a quote
Avatar for Two Stories Building Co
Two Stories Building Co
4.4(
8
)
Major Home Repairs (General Contractor)

Serving Sag Harbor, NY and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"If there were a way to ADD Stars to the Review, I would!!! It is Very Rare in Today's Times to locate a Contractor with a Superb Work Ethic. This is one of those Rare Times. 10 Stars Go to Two Stories Woodworking for their Excellent Work Performed on a Timely and Professional Manner. Beautiful Workmanship. Thank-You!"
Arch
Arch Progress
28' Arch
Front Door
Crown and Casing

+48

Response time5 hrs
4 neighbors recently requested a quote
Recommended by33%of homeowners
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Unfinished Carpentry FAQs, answered by experts

When building a house, it is customary to use 16d nails that measure 3 1/2 inches in length to construct the frame. These nails are crucial in providing the necessary support and stability for structural elements like joists and studs, which ensures a sturdy framework.

Framing a house with steel generally takes less time—around five to eight weeks—than most building materials. The steel components can also be made quickly off-site and manufactured with pre-punched holes for running piping and electrical wiring, which will lessen the prep work and extra labor during construction.

Most Cape Cod houses are two stories tall at the peak, although they’re considered one-and-a-half stories tall because the steep roof pitch cuts off a portion of the living space on the second story. Unless you raise the roof on your Cape Cod house to add a dormer, the interior rooms upstairs will lose some usable living space to the sloped ceilings.

The easiest way to tell if a wall is load bearing is to check if it’s an exterior wall or if it runs perpendicular to the joists above and below it (or parallel to beams). Exterior walls are almost always load-bearing, and walls that run under beams or parallel to them are also usually load-bearing. There are exceptions to these rules, and walls that don’t fit into these categories can still be load-bearing. If you’re unsure, hire a structural engineer to look at your home to assess whether or not the wall is structural.

Professionals ensure precise alignment and durability, critical for structural integrity.

The Sag Harbor, NY homeowners’ guide to contractor services

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