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    Verified custom home building reviews

Find Custom home builders in Mahwah

Avatar for BAS Construction

BAS Construction

350 Route 46, Suite 219
5.00(
41
)
Approved Pro

BAS Construction

350 Route 46, Suite 219
5.00(
41
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 local quotes requested

BAS Construction is a Full Service Home Improvement and Remodeling Company. We do it all, Basement Remodeling & Finishing, Kitchen Improvement, Bathroom Improvement, Painting, Siding, Home Improvement, etc. You name it, we do it. Our Company is fully Insured and Certified. We offer only the highest quality services to our customers while keeping the cost affordable to your budget.

"It was a great experience. Sina and his team were professional and took great care to do a great job. They constantly had new ideas to make the process better and worked with me on ideas I had. Best contractors I have ever worked with."

Sameer A on July 2022

BAS Construction is a Full Service Home Improvement and Remodeling Company. We do it all, Basement Remodeling & Finishing, Kitchen Improvement, Bathroom Improvement, Painting, Siding, Home Improvement, etc. You name it, we do it. Our Company is fully Insured and Certified. We offer only the highest quality services to our customers while keeping the cost affordable to your budget.

"It was a great experience. Sina and his team were professional and took great care to do a great job. They constantly had new ideas to make the process better and worked with me on ideas I had. Best contractors I have ever worked with."

Sameer A on July 2022


Avatar for Paradigm Architecture

Paradigm Architecture

11-13 Sunflower Avenue
5.00(
3
)
Approved Pro

Paradigm Architecture

11-13 Sunflower Avenue
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
29 local quotes requested

Architects and designers at our firm possess a profound understanding of both design principles and construction techniques. We leverage our expertise to guide clients seamlessly through every phase of their projects, ensuring a smooth journey from inception to completion. Our goal is to breathe life into spaces, turning mundane environments into vibrant and functional areas that inspire living and growth.

"Very well! Tony was very easy to work with, helped us very much with some ideas too. Work was done in a timely manner and was affordable for Us. We would definitely recommend and would hire again!"

Matthew F on December 2024

Architects and designers at our firm possess a profound understanding of both design principles and construction techniques. We leverage our expertise to guide clients seamlessly through every phase of their projects, ensuring a smooth journey from inception to completion. Our goal is to breathe life into spaces, turning mundane environments into vibrant and functional areas that inspire living and growth.

"Very well! Tony was very easy to work with, helped us very much with some ideas too. Work was done in a timely manner and was affordable for Us. We would definitely recommend and would hire again!"

Matthew F on December 2024


Avatar for Traditional Remodeling LLC

Traditional Remodeling LLC

20 Memorial Ct
4.66(
29
)
Approved Pro

Traditional Remodeling LLC

20 Memorial Ct
4.66(
29
)
Approved Pro
Customers say: Quality work
57 local quotes requested
32 years of experience

For over 30 years, owner George Ellenberg, has been building high quality structures. George merged a wealth of experience and skill into a company that has earned a markable reputation as one of the leading contracting companies. George Ellenberg, and his team of professional architects, licensed plumbers and licensed electricians, combine their strengths to create an unbeatable force in construction.

"George and his team did a fantastic job with remodeling our bathroom. Unbelievably smooth process from start to finish. Would and will hire again!!"

Jim R on April 2024

For over 30 years, owner George Ellenberg, has been building high quality structures. George merged a wealth of experience and skill into a company that has earned a markable reputation as one of the leading contracting companies. George Ellenberg, and his team of professional architects, licensed plumbers and licensed electricians, combine their strengths to create an unbeatable force in construction.

"George and his team did a fantastic job with remodeling our bathroom. Unbelievably smooth process from start to finish. Would and will hire again!!"

Jim R on April 2024


Avatar for Home Quality Remodeling

Home Quality Remodeling

40 E Midland Ave.
5.00(
2
)
Approved Pro

Home Quality Remodeling

40 E Midland Ave.
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
154 local quotes requested

At Home Quality Remodeling, we believe that every home deserves to be a reflection of distinction and exceptional quality. With our unwavering commitment to craftsmanship and customer satisfaction, we transform living spaces into extraordinary havens that embody elegance and functionality. With over 20 years of experience delivering top-notch work, our construction team ensures your remodeling journey is seamless and stress-free.

"Home Quality Remodeling took such great care of us with our project. We had a pleasant experience with Jacob, he is organized and professional. We will definitely return to them for future projects."

Kim F on November 2023

At Home Quality Remodeling, we believe that every home deserves to be a reflection of distinction and exceptional quality. With our unwavering commitment to craftsmanship and customer satisfaction, we transform living spaces into extraordinary havens that embody elegance and functionality. With over 20 years of experience delivering top-notch work, our construction team ensures your remodeling journey is seamless and stress-free.

"Home Quality Remodeling took such great care of us with our project. We had a pleasant experience with Jacob, he is organized and professional. We will definitely return to them for future projects."

Kim F on November 2023


Avatar for TRI-STATE BUILDING SPECIALTIES, INC.

TRI-STATE BUILDING SPECIALTIES, INC.

845 Towbin Ave
4.27(
11
)
Approved Pro

TRI-STATE BUILDING SPECIALTIES, INC.

845 Towbin Ave
4.27(
11
)
Approved Pro
Customers say: True professional
143 local quotes requested
34 years of experience

Expand your living space with our expert sunroom and patio enclosure remodeling services! We specialize in designing and transforming outdoor areas into beautiful, functional sunrooms and enclosed patios that you can enjoy year-round. Our skilled team delivers high-quality craftsmanship, using durable materials and personalized designs to enhance your home’s comfort and value. Whether you’re looking to create a cozy sunroom or a versatile patio enclosure, we’re committed to making your vision a reality. Contact us today for a free consultation and start planning your dream space!

"First meeting went very smoothly so far had a great experience with Jason Now will be working with Don the project manager."

Dee A on February 2025

Expand your living space with our expert sunroom and patio enclosure remodeling services! We specialize in designing and transforming outdoor areas into beautiful, functional sunrooms and enclosed patios that you can enjoy year-round. Our skilled team delivers high-quality craftsmanship, using durable materials and personalized designs to enhance your home’s comfort and value. Whether you’re looking to create a cozy sunroom or a versatile patio enclosure, we’re committed to making your vision a reality. Contact us today for a free consultation and start planning your dream space!

"First meeting went very smoothly so far had a great experience with Jason Now will be working with Don the project manager."

Dee A on February 2025


Avatar for Dynamic Design & Remodeling

Dynamic Design & Remodeling

500 Post Road East
5.00(
11
)
Approved Pro

Dynamic Design & Remodeling

500 Post Road East
5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
36 local quotes requested

From start to finish let us help you with your home renovation and home remodeling project. Whether you need your kitchen remodeled, your bathroom remodeled, a roofing project or any other home improvement project completed, our licensed home renovation contractors will be with you every step of the way. We are happy to provide design work for your kitchen, bathroom, bedrooms, basements or any other home project you are seeking. We will provide you with multiple photo realistic renderings and 360 degree views as well as complete floor plans and elevation maps so you can see your vision brought to life before the project begins. We take a comprehensive approach to your home renovation project, guiding you along the way, so that we come in on time and on budget. We pride ourselves on three things that set our work apart from all the rest. Communication. We will provide a detailed estimate and keep you updated throughout the entire project so you are confident in our process and are never left wondering where we are on the timeline. Highly skilled craftsmanship. Our licensed, experienced, and insured home remodeling contractors with direct references will ensure you get the highest quality of work for your project. Competitive pricing. With detailed and transparent pricing estimates we will deliver quality results at competitive prices. We are excited to work with you to bring your home remodeling vision to life. Contact us today for your estimate and to make your vision a reality.

"Justin, Jessica, and the whole Dynamic team were exceptional from start to finish. After shopping around, they offered the best price for our wall repairs, communicated well throughout, and the final product was better than we could have hoped for. we will definitely be using them in the future!"

James P on September 2025

From start to finish let us help you with your home renovation and home remodeling project. Whether you need your kitchen remodeled, your bathroom remodeled, a roofing project or any other home improvement project completed, our licensed home renovation contractors will be with you every step of the way. We are happy to provide design work for your kitchen, bathroom, bedrooms, basements or any other home project you are seeking. We will provide you with multiple photo realistic renderings and 360 degree views as well as complete floor plans and elevation maps so you can see your vision brought to life before the project begins. We take a comprehensive approach to your home renovation project, guiding you along the way, so that we come in on time and on budget. We pride ourselves on three things that set our work apart from all the rest. Communication. We will provide a detailed estimate and keep you updated throughout the entire project so you are confident in our process and are never left wondering where we are on the timeline. Highly skilled craftsmanship. Our licensed, experienced, and insured home remodeling contractors with direct references will ensure you get the highest quality of work for your project. Competitive pricing. With detailed and transparent pricing estimates we will deliver quality results at competitive prices. We are excited to work with you to bring your home remodeling vision to life. Contact us today for your estimate and to make your vision a reality.

"Justin, Jessica, and the whole Dynamic team were exceptional from start to finish. After shopping around, they offered the best price for our wall repairs, communicated well throughout, and the final product was better than we could have hoped for. we will definitely be using them in the future!"

James P on September 2025


"When I decided to remodel my master bathroom I knew immediately to call Matt, the owner of The Finish Guys. It was not the first time I have hired and used Matt and his team and probably won't be my last. Without a doubt, Matt is one of the nicest, kindest, and considerate business owner. He was meticulous with helping me plan every detail of my remodeling. He was by far one of the most reliable, trustworthy, and reasonable contractor I have ever used. Matt was amazing communicating me through the entire process and was always available when needed. I am beyond thrilled with the work Matt and his team did. Thank you Matt for making my dream bathroom come to life. I am so incredibly happy to have selected you."

Beth M on March 2024

We are a family owned and operated for over 30 years.......we stand by any project we commit to....& our quality speaks for our experience

"When I decided to remodel my master bathroom I knew immediately to call Matt, the owner of The Finish Guys. It was not the first time I have hired and used Matt and his team and probably won't be my last. Without a doubt, Matt is one of the nicest, kindest, and considerate business owner. He was meticulous with helping me plan every detail of my remodeling. He was by far one of the most reliable, trustworthy, and reasonable contractor I have ever used. Matt was amazing communicating me through the entire process and was always available when needed. I am beyond thrilled with the work Matt and his team did. Thank you Matt for making my dream bathroom come to life. I am so incredibly happy to have selected you."

Beth M on March 2024


Avatar for Friedman Architecture & Interiors, LLC

Friedman Architecture & Interiors, LLC

127 Kinderkamack Road
5.00(
5
)
Approved Pro

Friedman Architecture & Interiors, LLC

127 Kinderkamack Road
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 local quotes requested

Friedman Architecture & Interiors, LLC is your trusted partner for all your architecture needs. With our expertise and commitment to excellence, we go above and beyond to ensure your satisfaction. Contact us today for top-notch service you can rely on.

"Excellent!"

Frank C on August 2022

Friedman Architecture & Interiors, LLC is your trusted partner for all your architecture needs. With our expertise and commitment to excellence, we go above and beyond to ensure your satisfaction. Contact us today for top-notch service you can rely on.

"Excellent!"

Frank C on August 2022


Avatar for BUILT-WELL BUILDERS, LLC

BUILT-WELL BUILDERS, LLC

Washington Township
4.78(
152
)
Approved Pro

BUILT-WELL BUILDERS, LLC

Washington Township
4.78(
152
)
Approved Pro
Customers say: Terrific value
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
23 local quotes requested

Built-Well Builders offers services in construction, remodeling, architectural design and interior design to both residential and commercial customers in Northern New Jersey. As a fully licensed and insured company with over 30 years of experience, we have garnered the respect of our clients and homeowners as well as industry professionals. Home buyers today want more out of their home than ever before. They want a creative and innovative home with a unique floor plan. At Built-Well, we understand the needs and desires of today’s home owners and buyers. Our homes, additions, and renovations are designed to suit your individual needs while incorporating style, luxury and convenience. Whether you are thinking of a custom home design, a whole house renovation, or a second story addition, Built-Well is uniquely positioned and qualified to provide attentive, expert service by an experienced, talented team from initial concept through construction.

"Grant and his team are wonderful to work with! Extremely knowledgeable and professional. Grant is always available to discuss the project and that is critical! The entire group was clean, professional and always let us know when they would be coming for work. The quality of work is extremely high. This is the 3rd project I have had Grant and team in for and I will be calling them for all of my future projects. Highly recommend!"

Anthony C on September 2025

Built-Well Builders offers services in construction, remodeling, architectural design and interior design to both residential and commercial customers in Northern New Jersey. As a fully licensed and insured company with over 30 years of experience, we have garnered the respect of our clients and homeowners as well as industry professionals. Home buyers today want more out of their home than ever before. They want a creative and innovative home with a unique floor plan. At Built-Well, we understand the needs and desires of today’s home owners and buyers. Our homes, additions, and renovations are designed to suit your individual needs while incorporating style, luxury and convenience. Whether you are thinking of a custom home design, a whole house renovation, or a second story addition, Built-Well is uniquely positioned and qualified to provide attentive, expert service by an experienced, talented team from initial concept through construction.

"Grant and his team are wonderful to work with! Extremely knowledgeable and professional. Grant is always available to discuss the project and that is critical! The entire group was clean, professional and always let us know when they would be coming for work. The quality of work is extremely high. This is the 3rd project I have had Grant and team in for and I will be calling them for all of my future projects. Highly recommend!"

Anthony C on September 2025


"Work was completed as promised. A few issues to address after completion were taken care of promptly. No one else in my experience comes back once they’ve been paid."

Chris L on June 2025

Properly licensed & insured construction company located in Northern New Jersey.

"Work was completed as promised. A few issues to address after completion were taken care of promptly. No one else in my experience comes back once they’ve been paid."

Chris L on June 2025

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Custom Home Builders questions, answered by experts

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.

Modular homes last an average of between 50 and 75 years, and high-quality modular homes can last for 100 years with proper maintenance. For comparison, a standard home lasts 50 to 100 years and can push to 150 or longer with good maintenance. Modular homes provide better long-term value in that they are significantly more affordable and can last almost as long, but some buyers are wary of modular home longevity, so the actual value if you sell could be lower.

Whether it’s more affordable to gut a house than build a new one depends on the markets where you'd be buying and selling. However, it’s usually less expensive to renovate a home than to build new construction. 

Most homeowners pay between $100,000 and $200,000 for demolition and remodeling costs, whereas the average cost to build a new home is between $139,000 and $531,300.

It usually takes around four to six months to build and install a modular home, although your timeline could go up to around eight months if there are delays in the manufacturing or permitting process. Heavy site preparation and foundation pouring can extend that timeline if you need them, as can customizations you want for your modular home. Your modular home company should be able to provide an estimate for the construction timeline before you sign any contracts or agree to any work.

Handypeople usually don’t hold trade licenses, so they typically aren’t qualified to tackle projects involving installing or making alterations to plumbing or electrical lines. Below are some jobs that a handyperson usually won’t be able to complete:

  • Installing plumbing for a new kitchen or bathroom

  • Replacing plumbing pipes

  • Installing or repairing septic systems

  • Running new electrical wiring

  • Installing a subpanel

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The Mahwah, NJ homeowners’ guide to custom home building

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