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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 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 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."
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+10

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

Increases living space and adds value to the home through enhanced utility.

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.

Yes, with proper heating or cooling systems and energy-efficient glazing.

Yes, proper grounding rods and conductors are essential for an effective system.

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.

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.