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TRUSTED BY HOLTSVILLE, NY HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon572
    Verified carpentry services reviews

Top-Rated Carpenters in Holtsville - Updated Nov 2026

Avatar for New Edge Carpentry
New Edge Carpentry
5.0(
11
)
Deck or Porch - RepairGazebo or Freestanding Porch - RepairInterior Trim and Decorative Moldings - Install+1 more

Serving Holtsville, NY and surrounding areas

Approved

In business since 2009

Customers say: Quick response

"Punctual, clean, and great pricing. Bob was great. He arrived on time, cleaned up and was extremely polite and courteous to my family. Bob installed two outside doors and they look great. We will be using New Edge Carpentry again for more work around the house."
Bifold doors/flooring and trim
window/floor trim and laminate flooring
trim installation
floor and window trim installation
sliding door installation

+1

Response time4 hrs
Recommended by100%of homeowners
Lein Carpentry And Handywork
5.0(
3
)
Carpentry Framing - RepairInterior Trim and Decorative Moldings - Install

Serving Holtsville, NY and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

At Lein Carpentry And Handywork we pride ourselves on being the best Home Improvement company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started! \n

Response time1 hour
Response rate100%
Recommended by100%of homeowners
Avatar for Star Dynasty Construction
Star Dynasty Construction
5.0(
45
)
Deck or Porch - Repair

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Had an amazing experience with this company . They ready to response to everything that I was asking for . The workers showed up quickly and did a great job . Highly recommended."
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+6

Response time4 hrs
Response rate100%
50 neighbors recently requested a quote
Avatar for Skyline Roofing and Siding
Skyline Roofing and Siding
4.9(
48
)
Deck or Porch - Repair

Serving Holtsville, NY and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Tom was really great to work with. I requested an estimate for repairs to the vinyl siding on my house. He responded to my request for an estimate immediately and was even willing to inspect the damage and give an estimate on Christmas Eve. His price was more than reasonable and he came back and completed the repair within a few days. His work was beautiful and he meticulously cleaned up my yard once he was finished. I highly recommend Skyline and will absolutely use them again."
Response time3 hrs
Response rate96%
6 neighbors recently requested a quote
Avatar for Pro Master Construction, Inc.
Pro Master Construction, Inc.
5.0(
126
)
Deck or Porch - Repair

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Warranties offered

Credit card accepted

"Pro Master Construction company is the absolute best company I have hired in over 35 years. Luan came to my house, was very considerate, caring, and knew his business. He solved a nearly impossible problem with an almost rotted and very large 2-tier deck. His crew did an amazing job in just under 3 days. Great work ethics, reasonable cost, and very neat. I am so thankful to have found this company on Angiâ s list."
Response time8 hrs
Response rate92%
134 neighbors recently requested a quote
Avatar for Jag Construction & Maintenance Inc.
Jag Construction & Maintenance Inc.
5.0(
23
)
Deck or Porch - RepairInterior Trim and Decorative Moldings - Install

Serving Holtsville, NY and surrounding areas

Approved

In business since 2020

Free estimates

Customers say: True professional

"Walter from Jag construction has done a few projects for us as well as some commercial work at our building to mention a few. We started with our commercial property in Smithtown. He came in and went right to work and the timeline was fantastic. We called him to our home to finish our basement thereafter. I was so impressed I also had him reconfigure our first floor laundry room as well. This year he’s doing a few more projects here! It’s not everyday you find a professional that treats your home like his own and his recommendations are always well planned and precise which to me is greatly appreciated. I can’t say enough good things about this contractor and would have him do any project beyond my scope at either our home or business alike. A++++ Frank and Mary O’Donnell Speonk, NY"
Handymen Project
Handymen Project
Handymen Project
Handymen Project
Additional Photos

+37

4 neighbors recently requested a quote
Recommended by78%of homeowners
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Carpentry FAQs, answered by experts

The cost to convert a carport into a garage averages about $22,000, ranging from about $15,000 and $55,000. Additional cost factors to consider include size, time of year, and how much of the carport you can reuse. Other cost factors include the kinds and amounts of materials used, such as:

  • Add insulation: $1 per square foot

  • Add drywall: $1–$3 per square foot

  • Add window: $450–$2,000 per window

  • Add outlets: $75–$500

  • Add garage door: $250–$11,200

  • Enclose framing: $5–$13 per square foot

  • Replace roofing: $1,000–$2,000

Yes, walls on the top floor can be load-bearing if stacked on the floor’s foundation.

When deciding if you should use 2x6 or 2x8 deck joists, consider the size of the deck, joist spacing, and materials. Larger decks, larger-spaced joists, and weaker wood all require more support, meaning they need larger joists. For example, 2x8 redwood joists spaced 16 inches apart can only safely span up to 10 feet and 7 inches. On the other hand, 2x10 southern pine joists spaced 12 inches apart can be as big as 16 feet and 2 inches. If you aren’t sure what size joist is best for your project, speak with your deck builder.

Yes, you can find ceiling joists using simple tools if a stud finder isn't available.

Using a hammer requires patience and a keen ear. Gently tap the ceiling in a grid pattern, listening for sound changes. A hollow sound indicates space between joists, while a solid, dull thud suggests a joist. Mark the location with a pencil and confirm by tapping from different angles.

Alternatively, you can use a nail, but this method will leave small holes. You'll feel increased resistance when the nail hits a joist. Mark the spot and repeat the process every 16 or 24 inches to map the joist locations. This method is considered less reliable than using a stud finder.

Yes, a 2x6 should hold a porch swing and safely support the load. A smaller joist runs the risk of it not offering enough support for the swing. If you have a joist smaller than 2x6, add additional bolstering support.

The Holtsville, NY homeowners’ guide to carpentry services

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