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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon67
    Verified home building services reviews

Top-Rated Home builders in Mountainside - Updated Nov 2026

Avatar for Prestige Design & Build Corp.
Prestige Design & Build Corp.
5.0(
40
)
Find a Custom Home Builder

Serving Mountainside, NJ and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Matt and the entire team of professionals at Prestige Design & Build were prompt, courteous, meticulous and hard working. My family and I are 100% pleased with the beautiful job they completed in our home and I definitely look forward to planning additional renovations with them in the near future. Much appreciation to Matt for his personable communication."
Demarest multiple room remodel
completion of renovation
Addition project progress
Rear addition project
Master bedroom suite

+542

Response time6 hrs
Recommended by66%of homeowners
Ernest & Sons General Contractors
4.1(
23
)
Shelter or Outbuilding - Build

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1997

Customers say: Quality work

"They are not local to my area. Please, hire local. And this is for Angi: Try not to recommend contractors who are a significant distance away, in this case around 80 miles (and 2 states) away. Great website, appears to be professionally designed and maintained, I like what they do (judging from the content in the website) but I am outside their service area. I don't live in that area. If I owned a home or apartment in that area, I would hire them."
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7 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Raza & Sons Construction, Inc.
Raza & Sons Construction, Inc.
5.0(
2
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Mountainside, NJ and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time1 day
Recommended by100%of homeowners
Avatar for Jack Cwyl & Son Builders
Jack Cwyl & Son Builders
4.8(
30
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Mountainside, NJ and surrounding areas

In business since 1989

Free estimates

"Jack contacted us on the first day and agreed to meet with us after we filled out a form on Angie’s list to find a general contractor in our new hometown. It was immediately obvious that Jack and his son, Dom, knew what they were doing and so we were hopeful the estimate would fit into our budget. Within a week (which included speaking to some contractors that could not or would not do everything we were looking for) we signed a contract with Jack and they begin working within a short amount of time. Our original plan was just the tankless water heater, generator and bookshelves. During their time with us, we discovered a roof leak and Jack and his son spent hours determining exactly what was wrong. We had no doubt that we would use them to repair our roof as well. Overall, we were very happy with Jack, Dom and all the subcontractors. You won’t regret working with Jack."
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+11

Recommended by100%of homeowners
Avatar for Elegant Home Improvement
Elegant Home Improvement
4.6(
102
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Mountainside, NJ and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"We hired Elegant Home Improvement to renovate 2.5 bathrooms, our master bedroom, our kitchen, and our Living room. John & his crew met and exceeded our expectations. They spent approximately 40 full days worth of work on our house and at the end of every day the work area, our yard, and our house was always clean and immaculate, while still making good progress. All construction boxes, trash, etc. was always removed and cleaned up before they left every day. They took extra effort to make this a positive experience for us and to make sure our house was livable during the renovation process. We felt like they didn't just treat us like we were another project, but that they really wanted to help make our new house "our home". My wife and I have nothing but positive things to say about Elegant Home Improvement and would highly recommend them for your project!"
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+30

Recommended by98%of homeowners
Avatar for Alan D. Drake Inc
Alan D. Drake Inc
4.8(
258
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Mountainside, NJ and surrounding areas

In business since 1992

Free estimates

"Very well. After I called Alan came over and gave us an estimate. Since it was reasonable in light of the other estimates we got, we hired him. His two-man crew arrived soon after and did everything that Alan and I had had agreed on. Although a little absent-minded at times, they were meticulous and reasonably careful. As the work progressed, we were impressed enough to extend the project to include other outside areas of the house. Where required they provided new screws to put back our downspouts and shutters. When the job ended one of his crew wire brushed several paint drips off our asphalt driveway and stone paver walkway. Good job!"
Coffer Ceiling
Cabinet & Backsplash
Granite CounterTops
Walk-In Shower
Platform Jacuzzi Tub

+13

Recommended by96%of homeowners
Avatar for Cary's Home Improvement
Cary's Home Improvement
4.4(
35
)
Shelter or Outbuilding - Build

Serving Mountainside, NJ and surrounding areas

In business since 1985

Emergency services offered

"My wife and I DO NOT use anyone who is not on Angie's List so we understand the importance of having accurate, fair reviews. We found Cary on Angie's List with overall great feedback on jobs he had done so we called him in for an estimate. Despite being very busy, he made the time to come over on a Saturday morning. He had previously dropped by and assessed the damage from the outside but needed to see it from the inside to ensure he could judge it accurately. After 15 minutes, our fears were realized and he said he would need to remove the cedar impression siding and remove the roof and replace it with a different system because the pitch wasn't steep enough. 
Within 48 hours, he provided a quote for his crew to come out and get the work done in a single day which was completely reasonable. He completed the work (guaranteed) as promised and left the site immaculate. He took pictures of the issue, of job progress and of the completed job. He mentioned he went around and filled some other issues he noticed while he was waiting for his crew to wrap up, no charge at all. He then discounted the quoted, agreed price 5% for angie's list deal I wasn't even aware of. Have you ever heard of a contractor accept less than an agreed price? Me neither.
Angie's List is a great resource for people to share experiences. I think the contractors who are honest and reasonable should be applauded too. We have been on the receiving end of some really lousy service so this was a new experience having someone do what they promised to do. Cary and his crew are the best in Monmouth County. We already have him pricing out finishing a storage space and will use him to build our deck in the spring. I cannot recommend Cary enough and you can reach me through Cary if you'd like to see his work firsthand. 
Kevin
"
Before
After
After
Before
After

+9

Recommended by100%of homeowners
Avatar for B & A Construction Group
B & A Construction Group
4.6(
26
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Mountainside, NJ and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"I purchased a new construction house built by B&A Construction. First day I step into the house, all the details in the house mesmerized me. You can tell they pay attention to details, lighting was mind blowing, fireplace was marvelous, all bedrooms were good size, marble floors look awesome and in addition they cleaned the house inside and outside before closing. I can not thank enough to Luis who helped me to get the copy of the survey which saved me good $$ for fencing permit. Overall, I highly recommend B&A construction team and thank you for building such a beautiful home and further assisting me even after the closing."
Kitchen and Bath Remodeling Project
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+43

Recommended by91%of homeowners
Building Concepts
5.0(
8
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Mountainside, NJ and surrounding areas

In business since 1998

Free estimates

"Eric and his team are not just contractors. They are family. They really get to know their customers and fully execute dreams and make them reality. They made my house and home and was always available for as many questions I had. I never felt rushed in decision making. They became someone I will always call when I have any ideas to improve my home."
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+2

Recommended by100%of homeowners
Avatar for Nilsen Building & Remodeling LLC
Nilsen Building & Remodeling LLC
4.3(
54
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Mountainside, NJ and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"This is a bit overdue as my work was finished several months ago. I can't say enough good things about David's work. My house is nearly 100 years old and when he agreed to remodel my bathroom I don't think he knew what he was in for. Once he took down the walls and floor - what we found was a nightmare. But with all the issues my old house had - David was able to overcome them and produce a clean, finished, beautiful bathroom. David is on-time, quiet, focused and a hard worker. If not for the actual hammering - you wouldn't know he was there. He cleaned up every day after himself and worked like a pro."
Logo
Entry tile
Bathroom floor
Shower
Drywall install and spackle

+173

Recommended by87%of homeowners
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Home Building FAQs, answered by experts

The average build timeline for a home is between six and 12 months, with timelines pushing toward the upper end of that range if you’re creating a custom design or need a lot of land preparation before getting started. Hiring a general contractor or a custom homebuilder will help speed up the process, as you’ll see fewer delays between different parts of the build process getting done.

Custom homes can take an average of 18 months to build, mainly due to the lengthy design process, and most projects take somewhere between 12 and 24 months. When you work with the right custom home builders near you, they can help you map the road ahead and understand what can speed up or delay the timeline. Choosing locally available materials, for example, can speed things up without losing that customized touch.

While some highly experienced homeowners can frame a house independently, it is not advisable. You will need ample carpentry experience, a team of helpers, and professionals to sign off on your work to meet local building codes. For the safest outcome, we recommend buying or building a house with the guidance of professionals.

The early stages of building a house are harder than the later stages; laying the foundation and framing the house are two of the most challenging steps. However, it varies for everyone. Some people have difficulty installing HVAC, plumbing, and electricity, while others find it harder to plan the house and secure the necessary permits. 

The primary reason homes have crawl spaces is so the foundation can reach down below the frost line to avoid dangerous soil movement and structural damage when the ground freezes. They’re more popular in colder climates where the ground freezes down to a few feet, and slabs are most popular in warmer areas where there is no frost line. Crawl spaces also provide a space for utility lines to run where they’re at less of a risk of freezing.

The Mountainside, NJ homeowners’ guide to home building services

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