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Find Addition to existing structure builders in Whittier

Avatar for West Side Builder

West Side Builder

5.00(
7
)
Approved Pro

West Side Builder

5.00(
7
)
Approved Pro
Customers say: Quick response
5 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty, integrity, and will treat your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced, while still paying close attention to the details of each and every project that we are involved with. We take pride in building long lasting relationships and look forward to hearing from you!

"They were on time and they did a great job"

Katie G on February 2022

We are a locally owned and operated company that values honesty, integrity, and will treat your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced, while still paying close attention to the details of each and every project that we are involved with. We take pride in building long lasting relationships and look forward to hearing from you!

"They were on time and they did a great job"

Katie G on February 2022


Avatar for Socal Express Restoration and Construction Inc.

Socal Express Restoration and Construction Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Socal Express Restoration and Construction Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
6 years of experience
Free onsite estimate

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You'll be pleased you did. Thank you

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You'll be pleased you did. Thank you


Avatar for Golan Remodeling, Inc.

Golan Remodeling, Inc.

4.85(
17
)
Approved Pro

Golan Remodeling, Inc.

4.85(
17
)
Approved Pro
Customers say: Quality work
21 years of experience
Free onsite estimate

Golan Remodeling, Inc. is one of the state's premier home improvement companies servicing the Los Angeles and Ventura Counties. We specialize in complete bathroom and kitchen detailed remodeling. We are committed to provide all of our customers with reasonable pricing, quality workmanship, and professional service. We are extremely professional and regardless of how big or small the project may be we always take pride in our company name and our work. For all of your home improvement needs Golan Remodeling, Inc. is above and beyond the rest.

"Golan Remodeling just finished a bathroom remodel for us, and we?re beyond impressed.The project manager was fantastic. He walked us through every step and made sure we were happy with the progress. The tile work and fixtures they installed are beautiful, and the whole bathroom feels like a spa now. The team was professional, clean, and respectful of our home. They are the best in Los Angeles. I?d give them 10 stars if I could!"

Mike C on March 2025

Golan Remodeling, Inc. is one of the state's premier home improvement companies servicing the Los Angeles and Ventura Counties. We specialize in complete bathroom and kitchen detailed remodeling. We are committed to provide all of our customers with reasonable pricing, quality workmanship, and professional service. We are extremely professional and regardless of how big or small the project may be we always take pride in our company name and our work. For all of your home improvement needs Golan Remodeling, Inc. is above and beyond the rest.

"Golan Remodeling just finished a bathroom remodel for us, and we?re beyond impressed.The project manager was fantastic. He walked us through every step and made sure we were happy with the progress. The tile work and fixtures they installed are beautiful, and the whole bathroom feels like a spa now. The team was professional, clean, and respectful of our home. They are the best in Los Angeles. I?d give them 10 stars if I could!"

Mike C on March 2025


DAM Ventures, Inc.

4.33(
87
)
Approved Pro

DAM Ventures, Inc.

4.33(
87
)
Approved Pro
Customers say: Quality work
10 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Very good customer service."

jay l on January 2022

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Very good customer service."

jay l on January 2022


Avatar for B Cutler Inc

B Cutler Inc

5.00(
2
)
Approved Pro

B Cutler Inc

5.00(
2
)
Approved Pro
Customers say: Quick response
4 years of experience
Free onsite estimate

Licensed & Bonded Contractor Specializing In Fire, Water, & Mold Damage Remediation & Restoration. Accessory Dwelling Units (ADUs) & residential & commercial additions. Veteran Owned Small Business With 45+ Years Of Family Experience As Pasadena Based Designers & Builders

"There was mold in my closet and I knew it was probably not a great idea to live with it. Chris Gibbons gave me clear and useful information about the options and trade-offs and broke through the noise. Seems like the other "experts" and insurance people I talked to were just adding confusion. Recommend Paul Davis Pasadena highly if you have mold."

Leonard M on July 2023

Licensed & Bonded Contractor Specializing In Fire, Water, & Mold Damage Remediation & Restoration. Accessory Dwelling Units (ADUs) & residential & commercial additions. Veteran Owned Small Business With 45+ Years Of Family Experience As Pasadena Based Designers & Builders

"There was mold in my closet and I knew it was probably not a great idea to live with it. Chris Gibbons gave me clear and useful information about the options and trade-offs and broke through the noise. Seems like the other "experts" and insurance people I talked to were just adding confusion. Recommend Paul Davis Pasadena highly if you have mold."

Leonard M on July 2023


Avatar for Axe Construction

Axe Construction

5.00(
52
)
Approved Pro

Axe Construction

5.00(
52
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
7 years of experience

At Axe Construction we pride ourselves in providing a personalized concierge-like approach towards your construction/remodeling projects. Over the years, we are proud to have cemented our identity into Southern California, translating dreams into into reality. From a blueprint to entering your new luxury property, our highly trained staff will be with you each step of the way. Specializes in ground-up construction, condos and design. What sets Axe Construction apart from competitors is that you receive a complete package of construction, design and project management. You will feel at ease through the entire experience and be taken care of.

"Axe Construction is the real deal. From start to finish, they handled everything—helping us find the right property, managing the full demo, collaborating on the design of a brand-new home, and executing the entire build. What’s impressive is that they delivered all of this within a 13-month timeframe, which is almost unheard of for a ground-up custom build. Communication was clear, decisions were practical, and the team stayed solution-oriented the entire time. No endless excuses, no finger-pointing—just progress. They understand design, construction, budgets, and timelines, and they know how to keep a project moving without sacrificing quality. The final result exceeded our expectations. The house is beautifully built, thoughtfully designed, and feels solid in every detail. If you’re looking for a contractor who can truly handle a project end-to-end—and actually deliver—Axe Construction is the team you want. Highly recommend."

Kevin S on January 2026

At Axe Construction we pride ourselves in providing a personalized concierge-like approach towards your construction/remodeling projects. Over the years, we are proud to have cemented our identity into Southern California, translating dreams into into reality. From a blueprint to entering your new luxury property, our highly trained staff will be with you each step of the way. Specializes in ground-up construction, condos and design. What sets Axe Construction apart from competitors is that you receive a complete package of construction, design and project management. You will feel at ease through the entire experience and be taken care of.

"Axe Construction is the real deal. From start to finish, they handled everything—helping us find the right property, managing the full demo, collaborating on the design of a brand-new home, and executing the entire build. What’s impressive is that they delivered all of this within a 13-month timeframe, which is almost unheard of for a ground-up custom build. Communication was clear, decisions were practical, and the team stayed solution-oriented the entire time. No endless excuses, no finger-pointing—just progress. They understand design, construction, budgets, and timelines, and they know how to keep a project moving without sacrificing quality. The final result exceeded our expectations. The house is beautifully built, thoughtfully designed, and feels solid in every detail. If you’re looking for a contractor who can truly handle a project end-to-end—and actually deliver—Axe Construction is the team you want. Highly recommend."

Kevin S on January 2026


Avatar for Olalde Group, Inc.

Olalde Group, Inc.

5.00(
2
)
Approved Pro

Olalde Group, Inc.

5.00(
2
)
Approved Pro
Customers say: Quick response
7 years of experience
Free onsite estimate

Olalde Group, Inc., is committed to excellence in 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 makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

"David and Efrain did an amazing job converting our oversized 2 car garage into a one bedroom apartment. They were very attentive, cost conscious and efficient! They were on hand monitoring the subcontractors and making sure the job was done correctly. They did a great job and we are very gratefully for their hard work!"

Darlene J on October 2025

Olalde Group, Inc., is committed to excellence in 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 makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

"David and Efrain did an amazing job converting our oversized 2 car garage into a one bedroom apartment. They were very attentive, cost conscious and efficient! They were on hand monitoring the subcontractors and making sure the job was done correctly. They did a great job and we are very gratefully for their hard work!"

Darlene J on October 2025


RET Construction Corp

4.98(
23
)
Approved Pro

RET Construction Corp

4.98(
23
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
22 years of experience

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"Kevin brought our dream ADU to life! He is an amazing contractor who pays great attention to detail and he has several licenses which insured his work was of the highest quality. He REALLY listens to what the customer wants and he delivers! We are SO pleased with our new ADU and we offer him our highest recommendation!"

gabriella p on September 2022

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"Kevin brought our dream ADU to life! He is an amazing contractor who pays great attention to detail and he has several licenses which insured his work was of the highest quality. He REALLY listens to what the customer wants and he delivers! We are SO pleased with our new ADU and we offer him our highest recommendation!"

gabriella p on September 2022


Avatar for Sal & Sons Construction, Inc.

Sal & Sons Construction, Inc.

5.00(
3
)
Approved Pro

Sal & Sons Construction, Inc.

5.00(
3
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 years of experience

Welcome to Sal & Sons Construction, Inc. We are a fully licensed, bonded, and insured contracting company specializing in remodeling and renovations. We go above and beyond for our clients, ensuring that each project is performed to the customers' expectations. We pride ourselves in delivering quality work to our customers in a way that is efficient and professional. We provide free, in home estimates so call today to schedule yours! Check out some of our work on Instagram! https://www.instagram.com/salandsonsconstruction/

"I hired Salvador to do my kitchen. He did a fantastic job. He finished the job within the time frame he specify. Very happy I went with him."

Liz R on September 2021

Welcome to Sal & Sons Construction, Inc. We are a fully licensed, bonded, and insured contracting company specializing in remodeling and renovations. We go above and beyond for our clients, ensuring that each project is performed to the customers' expectations. We pride ourselves in delivering quality work to our customers in a way that is efficient and professional. We provide free, in home estimates so call today to schedule yours! Check out some of our work on Instagram! https://www.instagram.com/salandsonsconstruction/

"I hired Salvador to do my kitchen. He did a fantastic job. He finished the job within the time frame he specify. Very happy I went with him."

Liz R on September 2021


"Overall my experience with this company was great! The work that was done was really really good! Our contractor who assisted us was Jose. We added a living space and master bedroom to our home. The additions done look as if they were part of my house this whole time. Honestly it looks way better than I expected. The only reason I rated the company a 4.5 was because there was always some kind of miscommunication between our contractor and his workers. Don t get me wrong, things were always resolved, Jose was great at that. But my recommendation to is to make sure communication is #1. That way the customer is not confused or left wondering what will happen next. There was an issue with his floor guy though, he was rude and unprofessional. BUT the reason I am mentioning this is not to put down the company but let you know that we expressed concern for this issue and it was resolved professionally by Jose and it never became an issue again. The quality of work was top notch! His workers were all pretty cool guys and we always felt comfortable of who was coming into our home to do the work. I highly recommend this company for your next big project😊👍🏼"

Victoria V on February 2020

Here at Embee & Associates, Inc., we pride ourselves in a job well done. With an eye for detail, we will help your dreams become realities so please contact us today for a fast and friendly service that you will not be disappointed in!!

"Overall my experience with this company was great! The work that was done was really really good! Our contractor who assisted us was Jose. We added a living space and master bedroom to our home. The additions done look as if they were part of my house this whole time. Honestly it looks way better than I expected. The only reason I rated the company a 4.5 was because there was always some kind of miscommunication between our contractor and his workers. Don t get me wrong, things were always resolved, Jose was great at that. But my recommendation to is to make sure communication is #1. That way the customer is not confused or left wondering what will happen next. There was an issue with his floor guy though, he was rude and unprofessional. BUT the reason I am mentioning this is not to put down the company but let you know that we expressed concern for this issue and it was resolved professionally by Jose and it never became an issue again. The quality of work was top notch! His workers were all pretty cool guys and we always felt comfortable of who was coming into our home to do the work. I highly recommend this company for your next big project😊👍🏼"

Victoria V on February 2020

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FAQs for addition to existing structure building service projects in Whittier, CA

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The Whittier, CA 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.