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Guest house builders in Caldwell

Avatar for Basic Basement Co
Basic Basement Co
122 Park Ave
4.83(
314
)
Approved Pro
Basic Basement Co
122 Park Ave
4.83(
314
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
39 local quotes requested

With over 40 years combined experience, we provide complete Basement remodeling and finishing services with Free estimates and no-nonsense pricing. We will give you the Basement you've always wanted by transforming your previously unfinished Basement into a usable and comfortable living area you can be proud of. We are known for constant communication and on-site project management.

"We had an amazing experience working with the Basic Basement Company! They finished our small basement and did a wonderful job. The project coordinator kept the work on track and communicated often. Each crew was punctual, professional, and treated our home with respect. We received compliments from every inspector on the quality of the work throughout the project. Don’t hesitate to call The Basic Basement Company for your next project!"

Brent V on May 2025

With over 40 years combined experience, we provide complete Basement remodeling and finishing services with Free estimates and no-nonsense pricing. We will give you the Basement you've always wanted by transforming your previously unfinished Basement into a usable and comfortable living area you can be proud of. We are known for constant communication and on-site project management.

"We had an amazing experience working with the Basic Basement Company! They finished our small basement and did a wonderful job. The project coordinator kept the work on track and communicated often. Each crew was punctual, professional, and treated our home with respect. We received compliments from every inspector on the quality of the work throughout the project. Don’t hesitate to call The Basic Basement Company for your next project!"

Brent V on May 2025


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
254 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 Pepe Paving Pavers & Concrete LLC
Pepe Paving Pavers & Concrete LLC
70 Nottingham Rd
5.00(
33
)
Approved Pro
Pepe Paving Pavers & Concrete LLC
70 Nottingham Rd
5.00(
33
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
519 local quotes requested

Pepe Paving is a highly reputable Mason Contractor, specializing in the design and installation of paving stones and concrete for residential homes and commercial properties throughout North Jersey. If you choose to have us work on your next home improvement project please mention you found us on Angie's List and we will take 5% off the cost of the project. Contact us today!

"It was a wonderful service. They came on time, were professional and they did a great job."

Jessica T on January 2023

Pepe Paving is a highly reputable Mason Contractor, specializing in the design and installation of paving stones and concrete for residential homes and commercial properties throughout North Jersey. If you choose to have us work on your next home improvement project please mention you found us on Angie's List and we will take 5% off the cost of the project. Contact us today!

"It was a wonderful service. They came on time, were professional and they did a great job."

Jessica T on January 2023


Avatar for El Toro Landscaping & Tree Services
El Toro Landscaping & Tree Services
304 Richards Ave
4.76(
50
)
Approved Pro
El Toro Landscaping & Tree Services
304 Richards Ave
4.76(
50
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
1795 local quotes requested

We are a small owner operated Landscaping and tree services company.Services provided are Spring and Fall clean up.Lawn maintenance.plant shrubs or flowers.Tree trimming or pruning leveling. We also offer tree removal.

"Excellent Service."

Marcy P on May 2024

We are a small owner operated Landscaping and tree services company.Services provided are Spring and Fall clean up.Lawn maintenance.plant shrubs or flowers.Tree trimming or pruning leveling. We also offer tree removal.

"Excellent Service."

Marcy P on May 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
163 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 crew (Dave) were amazing to work with! From planning, to permits, layouts and every detail that goes into gutting and redoing our home was a breeze! George is extremely easy to work with, and we were happy to see him every day for 6 months!! George is punctual and shows up when he says, he works hard and even showed up during snow storms and weekend when needed. George stuck to his timeline and always communicated with us...even answered my 100 phone calls. He has an attention to detail that is unlike any other. We have two small boys and he made sure to keep all construction areas safe for them and even showed up with hammers and safety glasses so they could help knock walls down!!! I have reccomended George to a half a dozen friends already and will continue to do so!! Such a pleasurable experience and an all around great guy to work with... he truly remade our dream home!!!"

Melissa C on September 2018

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 crew (Dave) were amazing to work with! From planning, to permits, layouts and every detail that goes into gutting and redoing our home was a breeze! George is extremely easy to work with, and we were happy to see him every day for 6 months!! George is punctual and shows up when he says, he works hard and even showed up during snow storms and weekend when needed. George stuck to his timeline and always communicated with us...even answered my 100 phone calls. He has an attention to detail that is unlike any other. We have two small boys and he made sure to keep all construction areas safe for them and even showed up with hammers and safety glasses so they could help knock walls down!!! I have reccomended George to a half a dozen friends already and will continue to do so!! Such a pleasurable experience and an all around great guy to work with... he truly remade our dream home!!!"

Melissa C on September 2018


Avatar for Monk's Home Improvements
Monk's Home Improvements
1095 Mount Kemble Ave
4.73(
575
)
Approved Pro
Monk's Home Improvements
1095 Mount Kemble Ave
4.73(
575
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1510 local quotes requested

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

"Jaclyn Lorber is the designer at Monks Showroom, who created the overall design for our kitchen renovation. She was excellent throughout the process of designing the whole remodel and making suggestions for the selection of appropriate materials and appliances. This is our first kitchen renovation. We had multiple questions and changed our minds about what we wanted multiple times! Jaclyn was always patient with us, very generous with her time and accommodating. The final design is gorgeous! We are eager to see the finished product that will be delivered by Monks Home Improvement."

Bohdan M on May 2025

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

"Jaclyn Lorber is the designer at Monks Showroom, who created the overall design for our kitchen renovation. She was excellent throughout the process of designing the whole remodel and making suggestions for the selection of appropriate materials and appliances. This is our first kitchen renovation. We had multiple questions and changed our minds about what we wanted multiple times! Jaclyn was always patient with us, very generous with her time and accommodating. The final design is gorgeous! We are eager to see the finished product that will be delivered by Monks Home Improvement."

Bohdan M on May 2025


Mountain Landscape Contractors
PO Box 438
5.00(
7
)
Approved Pro
Mountain Landscape Contractors
PO Box 438
5.00(
7
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1760 local quotes requested

Since 1989 Mountain Landscape Contractors, Inc. has been servicing northern New Jersey with all encompassing commercial and residential landscape services. Mountain Landscape Contractors, Inc. offers a full complement of landscape services providing everything you need to improve and maintain your property with one professional relationship.

"We've been using Mountain Landscape Contractors for the past 6+ years and they have totally transformed our property. It went from a neglected and overgrown mess to a beautiful usable space for our family to grow and play in. We use them for basic maintenance and property upkeep but we've also used them for drainage, fencing, retaining wall work, water management, hardscaping, landscaping and so much more. We'd highly recommend them to anyone looking to take their property to the next level."

Ari H on October 2024

Since 1989 Mountain Landscape Contractors, Inc. has been servicing northern New Jersey with all encompassing commercial and residential landscape services. Mountain Landscape Contractors, Inc. offers a full complement of landscape services providing everything you need to improve and maintain your property with one professional relationship.

"We've been using Mountain Landscape Contractors for the past 6+ years and they have totally transformed our property. It went from a neglected and overgrown mess to a beautiful usable space for our family to grow and play in. We use them for basic maintenance and property upkeep but we've also used them for drainage, fencing, retaining wall work, water management, hardscaping, landscaping and so much more. We'd highly recommend them to anyone looking to take their property to the next level."

Ari H on October 2024


Avatar for Modern Knight Designs LLC
Modern Knight Designs LLC
Forest Street
5.00(
7
)
Approved Pro
Modern Knight Designs LLC
Forest Street
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

I strive to design the clients vision aswell as provide renovation services of a luxurious kitchen and bath of their dreams. I pay attention to details and I work well with my clients to build their project scope of work. My focus is quality and professionalism!

"If you want a dream kitchen and bathroom Modern Knight Design LLC is your company. David made my kitchen everything I hoped it to be, he was very patient and helpful with a lot of ideas. I couldn't ask for a better experience."

Ana R on September 2024

I strive to design the clients vision aswell as provide renovation services of a luxurious kitchen and bath of their dreams. I pay attention to details and I work well with my clients to build their project scope of work. My focus is quality and professionalism!

"If you want a dream kitchen and bathroom Modern Knight Design LLC is your company. David made my kitchen everything I hoped it to be, he was very patient and helpful with a lot of ideas. I couldn't ask for a better experience."

Ana R on September 2024


Sunrise Paving
5.00(
5
)
Approved Pro
Sunrise Paving
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
582 local quotes requested

Sunrise Paving is a team of skilled landscapers providing quality workmanship and excellent customer service. We don't stop until we see perfection! At our company, we understand that outdoor landscaping is not just about creating a visually appealing space, but also about ensuring that it meets your practical needs. Give us a call or click for an estimate today!

"Nick and his crew were AMAZING! They were professional, polite, and clean. Nick was insightful and instantly came up with a concept design and plan. They installed a yard drainage system, created a front walkway with pavers and steps, regraded our whole property, added mulch beds, added top soil and seeded with hay for a new lawn. They worked fast and had the entire project finished in a week’s time. Highly recommend!"

April S on August 2024

Sunrise Paving is a team of skilled landscapers providing quality workmanship and excellent customer service. We don't stop until we see perfection! At our company, we understand that outdoor landscaping is not just about creating a visually appealing space, but also about ensuring that it meets your practical needs. Give us a call or click for an estimate today!

"Nick and his crew were AMAZING! They were professional, polite, and clean. Nick was insightful and instantly came up with a concept design and plan. They installed a yard drainage system, created a front walkway with pavers and steps, regraded our whole property, added mulch beds, added top soil and seeded with hay for a new lawn. They worked fast and had the entire project finished in a week’s time. Highly recommend!"

April S on August 2024


Avatar for Wise Choice Construction llc
Wise Choice Construction llc
123 Main St.
4.73(
11
)
Approved Pro
Wise Choice Construction llc
123 Main St.
4.73(
11
)
Approved Pro
Customers say: True professional
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
476 local quotes requested

In Business Since 2017 We at Wise Choice Construction pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Dave provided my wife and me a quote for renovations, and once we agreed, he began the demolition work. The crew knocked down the walls and installed new sheetrock in both the kitchen and bathrooms. We also decided to cut down the sewer pipes and install new PVC pipes. During this process, the first incident occurred when his crew used the bathroom and flushed the toilet, which caused all the waste to flow into the basement due to the unconnected pipes. Dave assured us he would handle the situation, only for us to discover that he charged a purchase of Resolve to our credit card to address the issue. We gradually bought all the necessary materials using a credit card supplied by my wife, while I also went online to shop at stores like Home Depot and Mayfair. After a little over a month, he finished the upstairs bathroom. In the kitchen, he managed to install the cabinets in time for the countertops to be placed. However, while the kitchen sink was installed, the plumbing was not connected to the water supply. Likewise, the kitchen appliances were not hooked up: the dishwasher remained unconnected, the refrigerator was not installed, and the smart thermostat was never set up. Only the stove and the hood range were connected. After he installed the new PVC pipes, I ran the water for a few minutes to test the plumbing. Unfortunately, we experienced flooding in our basement. Water spilled out from our old sewer line, which had not been capped, as well as from the sewer clean-out and all the way upstairs where the kitchen plumbing was not connected. This flooding caused our wood floors in the kitchen to warp and damaged the basement, potentially leading to mold issues. I confronted Dave several times about helping us clean up and remove the damaged carpets, but he failed to show up for two weeks. Eventually, we decided to terminate his services and sought professional help from other contractors. We hired Poseidon Plumbing and have evidence of debris and blockages resulting from the work done by Wise Choice Construction LLC. Additionally, we had to pay for electrical and roofing professionals on top of the plumbing costs to rectify this unfortunate situation."

Steven P on February 2025

In Business Since 2017 We at Wise Choice Construction pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Dave provided my wife and me a quote for renovations, and once we agreed, he began the demolition work. The crew knocked down the walls and installed new sheetrock in both the kitchen and bathrooms. We also decided to cut down the sewer pipes and install new PVC pipes. During this process, the first incident occurred when his crew used the bathroom and flushed the toilet, which caused all the waste to flow into the basement due to the unconnected pipes. Dave assured us he would handle the situation, only for us to discover that he charged a purchase of Resolve to our credit card to address the issue. We gradually bought all the necessary materials using a credit card supplied by my wife, while I also went online to shop at stores like Home Depot and Mayfair. After a little over a month, he finished the upstairs bathroom. In the kitchen, he managed to install the cabinets in time for the countertops to be placed. However, while the kitchen sink was installed, the plumbing was not connected to the water supply. Likewise, the kitchen appliances were not hooked up: the dishwasher remained unconnected, the refrigerator was not installed, and the smart thermostat was never set up. Only the stove and the hood range were connected. After he installed the new PVC pipes, I ran the water for a few minutes to test the plumbing. Unfortunately, we experienced flooding in our basement. Water spilled out from our old sewer line, which had not been capped, as well as from the sewer clean-out and all the way upstairs where the kitchen plumbing was not connected. This flooding caused our wood floors in the kitchen to warp and damaged the basement, potentially leading to mold issues. I confronted Dave several times about helping us clean up and remove the damaged carpets, but he failed to show up for two weeks. Eventually, we decided to terminate his services and sought professional help from other contractors. We hired Poseidon Plumbing and have evidence of debris and blockages resulting from the work done by Wise Choice Construction LLC. Additionally, we had to pay for electrical and roofing professionals on top of the plumbing costs to rectify this unfortunate situation."

Steven P on February 2025

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FAQs for guest house building service projects in Caldwell, NJ

In most states, yes—you can build a guest house, but every city or county sets its own zoning rules and building codes. Before breaking ground, check local ordinances, confirm lot setbacks, and secure the right permits. A local contractor or design-build firm can walk you through the paperwork and site requirements so your project starts on solid legal footing.

Yes—homeowners often tap a few different financing tools. A home-equity line of credit (HELOC) lets you borrow against your equity as you need funds. If you prefer a lump sum tied directly to the project, a short-term construction loan can roll into a second mortgage once the build is complete. Cash-out refinancing is another option: you replace your current mortgage with a larger one and use the difference to cover construction costs.

When you build a guest house, you’re creating a separate structure for hosting visitors without the full amenities needed for permanent living. An accessory dwelling unit, however, includes a complete kitchen and bathroom, meeting building codes for a long-term residence. This key difference makes an ADU ideal for long-term occupancy or rental income, adding enduring value to your property.

How many rooms you need depends on how you plan to use the space. Aim for one bedroom per every one or two occupants to make sure everyone has enough privacy and comfort. Added living and dining areas give you extra functionality, especially for rental use or long-term stays.

Most homeowners pick somewhere between 600 and 1,500 square feet to fit all the essentials. Make sure your design supports one to two occupants per bedroom and includes enough common areas for comfortable daily living. A well-proportioned layout boosts both functionality and property value.

No—a guest house isn’t just a bump-out on your main home. A bump-out is a small extension within an existing room for extra seating or storage. In contrast, you build a guest house as a standalone building with its own foundation and amenities, giving you a fully separate living area that can boost your property’s versatility and value.

The Caldwell, NJ homeowners’ guide to guest house building services
From average costs to expert advice, get all the answers you need to get your job done.
BRIGHT OPEN ATTIC SPACE
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small bathroom that has been updated in a remodel
Apr 29, 2025
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guest house in the backyard
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Need to build a guest house? Here’s how much it costs, what factors affect cost, and what to expect.
Share project details to get started.