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Find Addition to existing structure builders in Norco

Avatar for Hammer Construction

Hammer Construction

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•Approved Pro

Hammer Construction

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

We are a locally owned and operated company with over 25 years of industry experience. We value honesty and integrity, and stand behind our work. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building long term relationships with our clients and guarantee your satisfaction!

We are a locally owned and operated company with over 25 years of industry experience. We value honesty and integrity, and stand behind our work. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building long term relationships with our clients and guarantee your satisfaction!


"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


Avatar for Nicolaisen & Sons Construction Company, Inc

Nicolaisen & Sons Construction Company, Inc

3.00(
2
)
•Approved Pro

Nicolaisen & Sons Construction Company, Inc

3.00(
2
)
•Approved Pro
42 years of experience
Free onsite estimate

Nicolaisen & Sons Construction Company, Inc 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.

"I find them totally unprofessional"

jim m on March 2012

Nicolaisen & Sons Construction Company, Inc 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.

"I find them totally unprofessional"

jim m on March 2012


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


Nayk Construction Company LLC

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Nayk Construction Company LLC

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

We 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! Book with us online or feel free to give us a call today! 6 years of exp

We 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! Book with us online or feel free to give us a call today! 6 years of exp


Avatar for Prime Construction Services, Inc.

Prime Construction Services, Inc.

5.00(
2
)
•Approved Pro

Prime Construction Services, Inc.

5.00(
2
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 years of experience

We are 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 services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! ************ VISIT OUR VIRTUAL TOUR ************** https://players.cupix.com/p/BEWLWLeq *************** COPY & PASTE THIS ADDRESS TO YOUR BROWSER

"Andrew Farias was very professional. He was extremely detailed and finished my ADU right within out agreed price. Andrew was always available to answer any questions and was always very responsive to my emails and texts. He kept me well informed at each phase of my project. The quality of his work was top notch and i feel he went above and beyond. My ADU turned out better than i could have imagined and i would absolutely hire him again. I highly recommend Andrew and Prime Construction ."

Kimberly N on March 2022

We are 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 services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! ************ VISIT OUR VIRTUAL TOUR ************** https://players.cupix.com/p/BEWLWLeq *************** COPY & PASTE THIS ADDRESS TO YOUR BROWSER

"Andrew Farias was very professional. He was extremely detailed and finished my ADU right within out agreed price. Andrew was always available to answer any questions and was always very responsive to my emails and texts. He kept me well informed at each phase of my project. The quality of his work was top notch and i feel he went above and beyond. My ADU turned out better than i could have imagined and i would absolutely hire him again. I highly recommend Andrew and Prime Construction ."

Kimberly N on March 2022


Avatar for Jorcast Enterprises, Inc.

Jorcast Enterprises, Inc.

4.95(
11
)
•Approved Pro

Jorcast Enterprises, Inc.

4.95(
11
)
•Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
38 years of experience

Jorcast Enterprises, Inc., DBA A- Right Builders proudly serves it's customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today! .......MUST HAVE PLANS/ARCHITECTURAL DRAWINGS PRIOR TO CONTACTING OUR COMPANY. we can not provide a quote with out approved set of plans.

"Jorge, Andy and their team at A1-Builders were knowledgeable, honest, reliable and above all always available to answer any questions we had. They helped build a 2 bed 1 bath 600sqft addition to our home during the lean months over the pandemic. We had multiple projects (pool, patio, retaining wall) going on at the same time with other contractors and the crew from A1-Builders were by far the most professional. They always made sure that they left their work site clean after each dayâ s work. Jorge will definitely be the first person I call for our next home project because I know that even if he does not have the time to do the work, he will always guide me in the right direction. Thank you again to the entire A1-Builder team!"

Sajeed C on January 2023

Jorcast Enterprises, Inc., DBA A- Right Builders proudly serves it's customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today! .......MUST HAVE PLANS/ARCHITECTURAL DRAWINGS PRIOR TO CONTACTING OUR COMPANY. we can not provide a quote with out approved set of plans.

"Jorge, Andy and their team at A1-Builders were knowledgeable, honest, reliable and above all always available to answer any questions we had. They helped build a 2 bed 1 bath 600sqft addition to our home during the lean months over the pandemic. We had multiple projects (pool, patio, retaining wall) going on at the same time with other contractors and the crew from A1-Builders were by far the most professional. They always made sure that they left their work site clean after each dayâ s work. Jorge will definitely be the first person I call for our next home project because I know that even if he does not have the time to do the work, he will always guide me in the right direction. Thank you again to the entire A1-Builder team!"

Sajeed C on January 2023


Avatar for McGee Construction

McGee Construction

4.92(
12
)
•Approved Pro

McGee Construction

4.92(
12
)
•Approved Pro
Super Service Award
Customers say: True professional
25 local quotes requested
36 years of experience

Our building expertise includes not only remodeling of existing homes, but new custom home construction, multifamily housing, tenant improvements, commercial and industrial office buildings. Our professional staff has the experience necessary to give you the confidence to start your next project today.

"I needed two exterior door jambs repaired on a historical home in Santa Ana. The bottom of the jambs, where they met the thresholds, were rotted and decayed. Additionally, there was possible damage to the bottom plate, trimmers, and king studs. I contacted McGee construction for the estimate. The estimate was more than fair so I accepted. Eric, the finish carpenter, came out and completed the repairs. He draped the room with plastic to protect the furniture, floors, and rest of the house. The repairs took three days and look fantastic. He was able to match up the new jambs to the existing arch doorways and thresholds. He recreated new casings to match the old door casings. Eric rehung the doors and the doors now open and close beautifully. Additionally, the new paint and stain matches the original. Good communication with the company, I was kept informed of the repairs, and they cleaned the job site everyday. i would hire them again without a doubt."

John G on January 2026

Our building expertise includes not only remodeling of existing homes, but new custom home construction, multifamily housing, tenant improvements, commercial and industrial office buildings. Our professional staff has the experience necessary to give you the confidence to start your next project today.

"I needed two exterior door jambs repaired on a historical home in Santa Ana. The bottom of the jambs, where they met the thresholds, were rotted and decayed. Additionally, there was possible damage to the bottom plate, trimmers, and king studs. I contacted McGee construction for the estimate. The estimate was more than fair so I accepted. Eric, the finish carpenter, came out and completed the repairs. He draped the room with plastic to protect the furniture, floors, and rest of the house. The repairs took three days and look fantastic. He was able to match up the new jambs to the existing arch doorways and thresholds. He recreated new casings to match the old door casings. Eric rehung the doors and the doors now open and close beautifully. Additionally, the new paint and stain matches the original. Good communication with the company, I was kept informed of the repairs, and they cleaned the job site everyday. i would hire them again without a doubt."

John G on January 2026


Avatar for ANDREW'S GENERAL CONSTRUCTION INC

ANDREW'S GENERAL CONSTRUCTION INC

5.00(
6
)
•Approved Pro

ANDREW'S GENERAL CONSTRUCTION INC

5.00(
6
)
•Approved Pro
10 local quotes requested
12 years of experience

We 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!

"Cambio de piso de toda la casa Muy buen trabajo 🤗"

Lourdes M on November 2025

We 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!

"Cambio de piso de toda la casa Muy buen trabajo 🤗"

Lourdes M on November 2025


Avatar for AI Builders Inc

AI Builders Inc

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

AI Builders Inc

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

Converting your garage into an Accessory Dwelling Unit (ADU) can be a game-changer in maximizing your property's potential. AI Builders is a remodeling and construction company specializing in high-quality residential and commercial renovation projects. We provide complete construction services, including remodeling, renovations, additions, and new builds. Our team is committed to quality craftsmanship, reliable project management, and customer satisfaction, delivering modern, durable, and efficient construction solutions tailored to each client's needs.

Converting your garage into an Accessory Dwelling Unit (ADU) can be a game-changer in maximizing your property's potential. AI Builders is a remodeling and construction company specializing in high-quality residential and commercial renovation projects. We provide complete construction services, including remodeling, renovations, additions, and new builds. Our team is committed to quality craftsmanship, reliable project management, and customer satisfaction, delivering modern, durable, and efficient construction solutions tailored to each client's needs.

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FAQs for addition to existing structure building service projects in Norco, 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 Norco, 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.