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TRUSTED BY WASHINGTON, NJ HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon37
    Verified treehouse building services reviews

Top-Rated Treehouse builders in Washington - Updated Nov 2026

Avatar for N.S. Home Remodeling/Handyman
N.S. Home Remodeling/Handyman
5.0(
21
)
Handyman for Multiple Small ProjectsOutdoor Play Equipment - Install

Serving Washington, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I recently had the pleasure of working with Nick on a project to build a wall for a recessed fireplace, soundbar, and TV, and I couldn't be happier with the results. From start to finish, Nick was professional, attentive, and dedicated to bringing my vision to life perfectly. The craftsmanship is outstanding, and the finished product is absolutely beautiful. What stood out to me the most was how Nick made sure we were involved and happy every step of the way. He listened to our ideas, provided valuable input, and ensured that every detail was executed to perfection. It's clear that he takes great pride in his work and genuinely cares about his clients' satisfaction. I highly recommend Nick for any home improvement projects. His skill, attention to detail, and commitment to excellence are truly impressive. Thank you, Nick, for transforming our space and making our vision a reality!"
Response time3 days
Response rate100%
7 neighbors recently requested a quote
Avatar for Modern Home Improvements, Corp.
Modern Home Improvements, Corp.
4.2(
9
)
Handyman for Multiple Small Projects

Serving Washington, NJ and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"We completely redid our bathroom which included changing the layout, a very complex redo of plumbing lines, new concrete bathroom floor and installation of everything new and shiny. Dave was able to turn around this scary project into a wonderfully crafted beautiful looking bathroom. He is a very super detail oriented passionate artist. The project also included demo and installation of new tiles for the passage outside the bathroom and a new sliding barn door. Unlike other contractors, we had complete freedom in selecting the materials. Dave helped us throughout this tedious process via video calls and texts. Dave also had brilliant ideas and always gave us varying cost effective options for even the tiniest details. He was very transparent and patient with us. Thanks Dave and modern home improvements for this wonderful experience."
Amazing Kitchen with upgrades
Kitchen Without upgrades
hardwood Flooring done right
after with new matching Floor
before without the upgrades

+5

Response time1 day
Recommended by100%of homeowners
Avatar for Instant Home Improvements LLC
Instant Home Improvements LLC
New to Angi
Handyman for Multiple Small Projects

Serving Washington, NJ and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Hi, my name is Andrey, and I own Instant Home Improvements. I've had my company for two years, but I have seven years of experience in construction. I've worked mostly in northeastern New Jersey. I'm based in Sussex County, but I can travel to the surrounding counties. I have experience remodeling bathrooms, kitchens, and flooring, but my distinguishing skill is my knowledge of drywall installation and spackle application. I do most of the work inside homes. I always strive to ensure the client is happy with the finished project. I enjoy seeing the before and after of a home renovation and knowing that I did everything possible to make it turn out well.\n

Avatar for Trust Builders, LLC
Trust Builders, LLC
4.8(
20
)
Outdoor Play Equipment - Install

Serving Washington, NJ and surrounding areas

In business since 2000

Emergency services offered

"He is very professional and has great communication skills.  He responded to text and email, provided updates and was very punctual.  
The work was well done and looks nice.  
My only complaint is that he quoted me for the entire job and I paid that amount.    I happened to have a painter working in the house at the same time, on other projects.  The two of them apparently agreed that the painter would do the sanding, frame priming and painting and touch up.  This wound up costing me an additional  $250 from the painter.  
I would hire him again, but I would be more specific about the completion of the work."
We take great care wit the simplest details.
We can transform the curbside appeal of your home.
Sunroom 1
Stained glass door
Lofted book case

+1

Recommended by93%of homeowners
Avatar for MTL Contracting
MTL Contracting
5.0(
26
)
Shed, Barn or Playhouse - Build

Serving Washington, NJ and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"Amazing experience! Matt is by far the best contractor that we have ever had the pleasure to work with during renovations at our home. We have renovated our home from top to bottom over the past 25yrs that we have lived here. When we did the renovation of our kitchen, we had issues with the cabinet supplier, and Matt was our advocate and brought the supplier in-line, and worked on our behalf, above and beyond his responsibilities as a contractor. Matt’s attention to detail, is impeccable and his desire to satisfy and impress is beyond description. We have recommended Matt to other friends for their projects and his consistency of quality, and performance is well documented. We highly, highly recommend Matt. If you do chose to have Matt work on your project, you will be beyond satisfied, and will have also found yourself a new friend."
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+30

Recommended by100%of homeowners
Avatar for It's Already Done LLC
It's Already Done LLC
4.7(
34
)
Outdoor Play Equipment - InstallShed, Barn or Playhouse - Build

Serving Washington, NJ and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Frank was awesome, very professional and kept me abreast of the project as we worked through the steps with my town regarding plans, permit, etc... When the job was completed, I was very pleased and have subsequently hired Frank to do several other jobs at my home."
Additional Photos
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+10

Recommended by100%of homeowners
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Treehouse Builders FAQs, answered by experts

When designing an attached greenhouse, several factors should be considered. These include the orientation and positioning of the greenhouse to maximize sunlight exposure, the structural integrity of the connection to the house, sufficient insulation to regulate temperature, proper ventilation for airflow, and adequate space for plants and pathways. If you’re restricted because of your budget, go with a simpler design to maximize the use of your money.

In most cases, you can attach a greenhouse to any type of house. However, certain factors need to be considered, such as the structural integrity of the house, available space, and local building regulations. You should consult with a professional contractor or architect to assess the feasibility and ensure proper construction methods.

Sustainable materials and energy-efficient designs support greener construction options.

Before you get started on your hydroponic garden project, decide on your garden’s location. For a small office or home garden, consider an indoor hydroponic garden. Contrarily, if you plan on making a profit from your hydroponic garden, you might need to rent land or indoor space to grow your plants.

Don’t forget to factor in the climate where you live during the planning stage. If your area is prone to bitter cold and heavy snow, you might want to invest in stronger greenhouse materials like a concrete slab, steel frame, and glass walls or plan to take your greenhouse down for the winter.

The Washington, NJ homeowners’ guide to treehouse building services

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