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Addition to existing structure builders in West Haven

Hill Top Remodeling, LLC

16 Unity Drive
4.68(
17
)
Approved Pro

Hill Top Remodeling, LLC

16 Unity Drive
4.68(
17
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
12 years of experience

With over 30 years of experience in the Remodeling industry, Hill Top Remodeling, LLC is your industry expert. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today we look forward to working with you!

"If you want sloppy incomplete and incorrect work hire Hilltop. Bill did not use the products contracted for- used less expensive options without telling us - and hardly ever showed up. The job went way beyond promised finish date. Paid the full balance, Bill then left the work unfinished and ghosted us!"

T P on July 2025

With over 30 years of experience in the Remodeling industry, Hill Top Remodeling, LLC is your industry expert. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today we look forward to working with you!

"If you want sloppy incomplete and incorrect work hire Hilltop. Bill did not use the products contracted for- used less expensive options without telling us - and hardly ever showed up. The job went way beyond promised finish date. Paid the full balance, Bill then left the work unfinished and ghosted us!"

T P on July 2025


Avatar for JR General Contractor, LLC

JR General Contractor, LLC

22 Olive Street
4.83(
15
)
Approved Pro

JR General Contractor, LLC

22 Olive Street
4.83(
15
)
Approved Pro
Customers say: Quick response
15 years of experience
Free onsite estimate

JR General Contractor LLC, is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did an excellent job"

Louise R on May 2025

JR General Contractor LLC, is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did an excellent job"

Louise R on May 2025


Avatar for Devore & Company, LLC

Devore & Company, LLC

20 Hillandale Terrace
5.00(
1
)
Approved Pro

Devore & Company, LLC

20 Hillandale Terrace
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"N/A"

Moira W on May 2021

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"N/A"

Moira W on May 2021


Avatar for USL Outdoor Living LLC

USL Outdoor Living LLC

PO Box 627
5.00(
1
)
Approved Pro

USL Outdoor Living LLC

PO Box 627
5.00(
1
)
Approved Pro
19 local quotes requested
1 years of experience

With 30+ years experience, we offer only the best quality workmanship and professional courtesy. We specialize all phases of commercial and residential remodeling and outdoor living. We are committed quality work and outstanding results & are strongly involved in local community activities. We look forward to working with you!

With 30+ years experience, we offer only the best quality workmanship and professional courtesy. We specialize all phases of commercial and residential remodeling and outdoor living. We are committed quality work and outstanding results & are strongly involved in local community activities. We look forward to working with you!


CSM Development Group, LLC

13 Sunset Ridge Road
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

CSM Development Group, LLC

13 Sunset Ridge Road
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
12 local quotes requested
11 years of experience

CSM Development Group, LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

CSM Development Group, LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!


J & P Restoration

PO Box 120673
4.62(
59
)
Approved Pro

J & P Restoration

PO Box 120673
4.62(
59
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
17 local quotes requested

With over 33 years experience in residential home improvement projects, J & P Restoration has the knowledge and experience to make your Addition, remodel or other project a reality.

"The owner, John Petrillo, is an old-school pro. This was an insurance claim job, but we hope to hire him again this year for another large (non-insurance claim) project."

Theresa M on May 2023

With over 33 years experience in residential home improvement projects, J & P Restoration has the knowledge and experience to make your Addition, remodel or other project a reality.

"The owner, John Petrillo, is an old-school pro. This was an insurance claim job, but we hope to hire him again this year for another large (non-insurance claim) project."

Theresa M on May 2023


Cal Construction Services LLC

176 N Main St
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Cal Construction Services LLC

176 N Main St
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
25 years of experience
Free onsite estimate

We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!


Sonart Construction Corp.

3303 Avalon Drive
2.00(
1
)
Approved Pro

Sonart Construction Corp.

3303 Avalon Drive
2.00(
1
)
Approved Pro
136 local quotes requested
12 years of experience

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

"Sign contract April 4th 2025 was told would take two to three weeks this job was removing pressure treated and replacing with composite material we picked out samples from local building material outlet and showed so-called supervisor what we wanted was told he would be ordering them funny thing where we got the samples all items were in stock at least a week delay items had to be special ordered what we were told another special order for the railings another week delay called or message several times to correct mistakes July 4th is just around the corner job is still not complete"

YVONNE B on June 2025

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

"Sign contract April 4th 2025 was told would take two to three weeks this job was removing pressure treated and replacing with composite material we picked out samples from local building material outlet and showed so-called supervisor what we wanted was told he would be ordering them funny thing where we got the samples all items were in stock at least a week delay items had to be special ordered what we were told another special order for the railings another week delay called or message several times to correct mistakes July 4th is just around the corner job is still not complete"

YVONNE B on June 2025


Avatar for J A L Construction

J A L Construction

334 Exeter St
5.00(
4
)
Approved Pro

J A L Construction

334 Exeter St
5.00(
4
)
Approved Pro
50 years of experience
Free onsite estimate

J A L Construction has over 50 years of experience delivering high-quality construction and remodeling services. Our experience speaks for itself—we take pride in reliability, clear communication, and craftsmanship that stands the test of time. Whether you’re planning a full home addition, remodeling your kitchen or bathroom, or updating your exterior, we bring skill and dedication to every job. Our services include additions, major renovations, kitchen and bath remodels, deck and porch builds, siding installation, structural steel beam work, window replacement, and brick, stone, or paver patios and walkways. We work closely with homeowners to understand their vision and deliver results that exceed expectations. At J A L Construction, no job is too big or small. We look forward to earning your trust and helping bring your next project to life.

"The job was done in a timely manor without any issues. This was important because it is my rental unit,"

Sharon Z on August 2025

J A L Construction has over 50 years of experience delivering high-quality construction and remodeling services. Our experience speaks for itself—we take pride in reliability, clear communication, and craftsmanship that stands the test of time. Whether you’re planning a full home addition, remodeling your kitchen or bathroom, or updating your exterior, we bring skill and dedication to every job. Our services include additions, major renovations, kitchen and bath remodels, deck and porch builds, siding installation, structural steel beam work, window replacement, and brick, stone, or paver patios and walkways. We work closely with homeowners to understand their vision and deliver results that exceed expectations. At J A L Construction, no job is too big or small. We look forward to earning your trust and helping bring your next project to life.

"The job was done in a timely manor without any issues. This was important because it is my rental unit,"

Sharon Z on August 2025


Avatar for Solimine Contracting, LLC

Solimine Contracting, LLC

21 Robin Hood Road
4.34(
35
)
Approved Pro

Solimine Contracting, LLC

21 Robin Hood Road
4.34(
35
)
Approved Pro
Customers say: Quality work
50 local quotes requested
20 years of experience

Solimine Contracting is a family owned construction firm that has been servicing CT & NY since 1995. We provide a high quality of craftsmanship & customer service that will exceed your expectations. Our focus is to provide every client with an honest approach to what is attainable in their project within their budget. Our goal is to build long lasting relationships and lifetime customers 1 home at a time!! View our website at www.soliminecontracting.com or like us on facebook to view our current projects! We look forward to making your home improvement dreams a reality. Solimine Contracting will ensure that all your dreams, whether big or small, are built with precision, professionalism and excellence. Our years of experience and dedication to detail allows us to complete every project on time and on budget. Solimine Contracting; where quality, Integrity, Punctuality and Afordability ALWAYS MATTER!!!

"John and Johnna of Solimine were fantastic to work with. They are both very knowledgeable and made suggestions which improved the project. Their teams did great and high quality work. Any changes from the scope (either up or down) were discussed to determine the impact to cost and schedule and were agreed upon prior to any work being performed. They worked non stop and completed the project ahead of schedule and within the cost we discussed. We were extremely satisfied with the performance of the Solimine organization."

Michael O on June 2025

Solimine Contracting is a family owned construction firm that has been servicing CT & NY since 1995. We provide a high quality of craftsmanship & customer service that will exceed your expectations. Our focus is to provide every client with an honest approach to what is attainable in their project within their budget. Our goal is to build long lasting relationships and lifetime customers 1 home at a time!! View our website at www.soliminecontracting.com or like us on facebook to view our current projects! We look forward to making your home improvement dreams a reality. Solimine Contracting will ensure that all your dreams, whether big or small, are built with precision, professionalism and excellence. Our years of experience and dedication to detail allows us to complete every project on time and on budget. Solimine Contracting; where quality, Integrity, Punctuality and Afordability ALWAYS MATTER!!!

"John and Johnna of Solimine were fantastic to work with. They are both very knowledgeable and made suggestions which improved the project. Their teams did great and high quality work. Any changes from the scope (either up or down) were discussed to determine the impact to cost and schedule and were agreed upon prior to any work being performed. They worked non stop and completed the project ahead of schedule and within the cost we discussed. We were extremely satisfied with the performance of the Solimine organization."

Michael O on June 2025

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FAQs for addition to existing structure building service projects in West Haven, CT

Yes, hidden rooms are legal, as long as they meet all local building regulations. If you sell your house, most states require homeowners to disclose full houseplans, which would include any hidden rooms.

If your secret room is a safe room, it should contain a means of communication aside from a cell phone, such as a shortwave radio. You should also have plenty of drinking water, a portable generator, emergency food supplies, blankets, pillows, flashlights, batteries and a first aid kit.

Any time you update your home’s square footage, you increase its value, but a secret room is a niche feature that doesn't rank high on every buyer’s list of must-haves. Investing your money in remodeling more common living areas like bedrooms, bathrooms, or kitchens will have a higher ROI than adding a secret room. Many secret rooms can act as entertainment spaces (think a game room or wine cellar) or quiet spaces (a library or study), so when building your secret room you may want to consider its versatility for when you’re ready to sell.

The West Haven, CT homeowners’ guide to addition to existing structure building services

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

  • A renovated kitchen with a waterfall island

    HomeAdvisor’s DIY Kitchen Remodel Cost Guide looks at the cost of buying supplies and doing the work yourself. Find the key cost factors and how to cut expenses.

  • Secret room within bookcase

    HomeAdvisor's expert guide walks you through the cost to build a secret room, whether you're creating a safe room for security or a fun space to fulfil your childhood fantasies. Use this guide to help plan your secret room project and explore room, concea

  • outdoor patio bar

    Explore the cost to build a bar in your home and learn how materials, wet vs. dry bars, and labor costs influence the total price of your project.