Find a home addition contractors in Simi Valley, CA

Find home addition contractors in Simi Valley, CA

Find home addition contractors in Simi Valley, CA

Share a few details and we'll show you the best home addition contractors in your area.
Zip code

Find home addition contractors in Simi Valley, CA

Share a few details and we'll show you the best home addition contractors in your area.
Zip code

Top 10 home addition contractors in Simi Valley, CA

Homeowners agree: these pros are highly rated for knowledge, experience, communication, and more.
American Home Improvement, Inc.

American Home Improvement, Inc.

5.0(2)
23+ years in business
Serves Simi Valley, CA
Mary R. says, "I’d like to thank American for all of their help. From thwir Schediling dept to their crew to thwir customer service. I love noth my new masyer bayhroom and my outdoor deck. I will definitely ise them again in the future. " Read more
RnD Builders Inc

RnD Builders Inc

5.0Exceptional(11)
Offers online services
1 hire on HomeGuide
9+ years in business
Serves Simi Valley, CA
Ron says, "After I received 5 quotes on ADU Garage Conversion I went with best quality-price ratio from RnD Builders. Roi and his team were great to work with. They were always on time, quick, efficient and there were no issues although it was a big and complicated project. Roi was awesome, always available and ready for any help, his great advices helped me a lot and saved me money also. The project was finished on time, there were no unexpected costs and final product is excellent. I would definitely work with RnD Builders again, actually we had a talk about future project!" Read more
Smart Construction Consultants

Smart Construction Consultants

5.0Exceptional(9)
1 hire on HomeGuide
19+ years in business
Serves Simi Valley, CA
Michael L. says, "Great communication. The quality of the work was outstanding. All deadlines were met on the work." Read more
Marcarelli Design Inc.

Marcarelli Design Inc.

5.0(2)
17+ years in business
Serves Simi Valley, CA
Amy F. says, "Working with Cameron Marcarelli was like a trusted partner who always gave the best advice from construction, materials to interior design. Cameron is a consummate professional and built our dream home in the shortest time and used highest quality for the best price. We are so thankful to Cameron and Marcarelli Design! " Read more
AGA Construction Inc

AGA Construction Inc

5.0Exceptional(30)
18+ years in business
Serves Simi Valley, CA
Edna_robbins124 E. says, " We started the job with a master bathroom remodel. We were so pleased with the outcome we continued the remodel by redoing the wood floors and recessed lighting. Next, we got smooth stucco in a nice clean tan color. We are currently looking at kitchen options with AGA. Working with the AGA team was painless and worry-free. AGA is a professional company that cares whole hardheartedly about their customers, and are real remodel enthusiasts. They are excited for you, and want your dreams to come true. We especially liked our experience with our project manager, Ilan. He was friendly, attentive, and on top of his work. Ilan has a lot of construction experience, so it was very easy to discuss our options with him. He had all the answers with regards to pricing, designs, and what is possible. Although remodel and construction projects tend to be a headache on the home owner because of the ruthless and deceiving attitude of most contractors in the LA area, Ilan truly made this a hassle-free process. We were referred to AGA from a friend, and we are extremely satisfied with the company. We will continue to use AGA for all our remodeling needs." Read more
Lopez Home Remodeling & Repairs

Lopez Home Remodeling & Repairs

5.0(1)
2 hires on HomeGuide
29+ years in business
Serves Simi Valley, CA
Phil S. says, "James is a good communicator and showed up for work as promised. He did an excellent job in repairing and tiling our two balconies and repairing a couple of doors in our home. Very meticulous and dependable. " Read more
Paulina Painting Corporation

Paulina Painting Corporation

New on HomeGuide
3+ years in business
Serves Simi Valley, CA
Hago un muy buen trabajo y responsabilidad, le doy buenas opciones a los clientes, nos encargamos de dar el mejor servicio que se merecen los clientes, siempre quedan satisfechos
GWC Design Architects

GWC Design Architects

New on HomeGuide
Offers online services
46+ years in business
Serves Simi Valley, CA
At GWC Design Architects, located in Hermosa Beach, CA, we are committed to transforming your living spaces through expert architectural services and innovative design solutions. With a focus on ADA and disability remodeling, our dedicated team of two ensures personalized attention to every project, from kitchen and bathroom remodels to structural engineering and 3D modeling. Whether you seek a patio addition or a complete home remodel, we bring creativity and precision to enhance both functionality and aesthetic appeal. Let us help you envision and realize your dream space.
Pacific Sands

Pacific Sands

5.0(1)
12+ years in business
Serves Simi Valley, CA
Rj J. says, "Very fast to reply to our questions. Also, when working Cameron and Mark they helped explain so much of the process. We felt really well informed, which was very different from other architects and designers that we worked with." Read more
HLS Remodeling And Design, Inc

HLS Remodeling And Design, Inc

New on HomeGuide
35+ years in business
Serves Simi Valley, CA
At HLS Remodeling and design, Inc we are personally committed to maintaining and exceeding standards that are demanded by the construction industry. We are committed to providing an optimal level of quality in everything we do. We are skilled in the knowledge to provide comfortable, safe and attractive renovations or new constructions that will ensure your continuous independence in your home life. We are proud to be a family owned and operated business that is fully licensed, insured and bonded. We offer a wide range of home remodeling services: * New Construction * Complete Home Remodeling * Room Addition * Second Story Addition * Kitchen R...

Your home addition questions, answered

Answers to commonly asked questions from the experts on HomeGuide.

What is a home addition?

A home addition is a new structure added to an existing home. Home additions create more living space, accommodate a growing family, and improve the home’s overall value.

A home addition can be completed by making a single room bigger or adding an entirely new room or second story to the home. A more affordable home addition option is to convert an existing garage, basement, or attic into a more functional and comfortable living space.

Does a home addition increase property value?

A well-built home addition can increase property value. The increase in square footage adds value, especially if the addition includes functional and well-designed living spaces. An addition that adds an extra bedroom, bathroom, or larger kitchen can make the home more appealing to potential buyers.

How can I finance a home addition?

You have various financing options for a home addition, such as:

  • Home equity loans – These bank loans allow you to borrow a lump sum by using your home equity as collateral.
  • Home equity line of credit (HELOC) – Unlike a lump sum, this revolving credit line enables you to borrow against your home equity as needed.
  • Cash-out refinances – By refinancing your mortgage for an amount exceeding your current balance, the lender provides the surplus in cash, which can be used for home improvements.
  • Personal loans – Unsecured and without collateral, personal loans have higher interest rates, determined by your creditworthiness and loan approval.
  • Credit cards – Consider using a low-interest-rate credit card for smaller home additions, ensuring prompt repayment.

How can I save on a home addition?

Consider the following recommendations to reduce the expenses associated with a home addition:

  • Opt for a straightforward design with minimal features to keep costs down.
  • Construct the smallest addition that satisfies your requirements and complies with local regulations.
  • Explore the option of repurposing existing spaces, such as basements, garages, or attics, which is generally more affordable than building a new structure.
  • Do basic tasks like painting and interior finishing on your own to cut down on professional labor expenses.
  • Select budget-friendly building materials and finishes in more spaces, and splurge on a few items with the most impact.

How do I choose a home addition builder?

Follow these suggestions to get the best home addition contractor near you.

  • Seek estimates from several contractors for the same addition size and features, allowing for informed comparisons.
  • Evaluate the builder's reputation by checking recent reviews on HomeGuide and Google to assess their performance.
  • Request a site visit to see the contractor's construction methods and gauge their workmanship firsthand.
  • Choose a contractor with proven experience in the specific type of home addition you desire.
  • Protect yourself by requesting an itemized written contract that outlines the scope of work, specifications, and payment terms to prevent any misunderstandings.
  • Inquire about the contractor's preferred lenders to streamline the financing process and potentially secure better terms.
  • Exercise caution and avoid making large upfront payments. Never pay in full or in cash, as this could leave you vulnerable to potential issues.

What questions should I ask a home addition contractor?

Here are some helpful questions to ask a home addition contractor:

  • How many years have you been specializing in home addition projects?
  • How many home additions have you successfully completed within the past year?
  • Do you provide design services to help create a floor plan for the home addition?
  • Can you provide me with a list of references from previous clients, along with their contact information, so I can gather feedback on your work?
  • Do you have a portfolio showcasing your past home addition projects that I can review?
  • Are there any recent home addition projects I can visit to see the quality of your workmanship firsthand?
  • Are you fully licensed, insured, and bonded to protect me from any potential liabilities?
  • Can you advise me on the most suitable locations for building an addition to my home?
  • Can you provide me with a detailed cost estimate for the home addition project?
  • Are there any cost-effective strategies we can consider to reduce the overall expense of the project?
  • Can you provide a realistic timeline for completing the home addition project?
  • Who will be my designated project coordinator responsible for overseeing the project's progress?
  • Do you employ your own experienced crew, or do you subcontract the work to other contractors?

Reviews for Simi Valley home addition contractors

Recent success stories from people in the Simi Valley area.
Shoshana G.
I am going to start with Stacy and her great customer service. It was the best home improvement experience I’ve had. American remodeled my entire kitchen from cabinets to countertops to flooring. I absolutely love my new kitchen and I’m so glad I chose American out of three other contractors. Thank you guys.
American Home Improvement, Inc.
Andrew S.
I went with RnD Builders Inc on a room addition, big project and big responsibility, but I am so happy I hired this contractor because they did phenomenal job, exceed my expectations. The project went very smooth and was finished ahead of schedule. Th quality is superb and there were no hidden costs. They were completely honest from start to finish and I will strongly recommend them to anyone!
RnD Builders Inc
Natalie N.
Great job remodeling! He did my condo which had a leak and resulted in a whole new make over. We got new floors, cabinets, quartz marble counter tops, interior paint job, new lighting throughout the house. We were very pleased to use this companies services and will be using them again for our next future home!
Smart Construction Consultants
Leslie G.
Cameron Marcarelli did the design and was the general contractor for the complete makeover of our old and drab house. Cameron has the gift of being able to visualize a total transformation of a space where we might only see an upgrade of what is already there. He knows what will work, and advises on materials and other aspects of a home remodel while respecting our personal taste and preferences. Our house is beautiful now. It looks like a completely different house. I never thought our house had the potential to be so amazing without completely tearing it down and starting over. Cameron is also incredible to work with. He supervises every aspect of the job, checks in just about every day to make sure all of the work is up to his standards and up to code, and if there is something that's not done properly, he deals with it. This was very helpful because I want the job to be done perfectly but I both don't know if some of the work is done properly, or I can see a problem but it is awkward to nag the workers if I'm not happy with how it turned out. He is also expert at dealing with the city of Calabasas, which has been a real headache in the past. I completely trust Cameron and his judgment and honesty. I am thankful we found him and recommend him and Marcarelli Design with no reservations.
Marcarelli Design Inc.
Henry D.
We had a stellar experience with AGA construction. They were quick, provided great service, and the quality of the work and finishes is very professional, sturdy, and straight. They gave us a 3d layout of our bathroom and our kitchen. This made it very easy to visualize and decide exactly which way we wanted to go. AGA has great design ideas and suggestions. Furthermore, they have great vendors and got us some great pricing. We will continue to use AGA construction and we highly recommend them!
AGA Construction Inc
Nancy W.
Fabulous Bathroom remodel. They were on time. Very clean and professional. Thank You. I approve of every aspect of the work completed.
Big Boy Construction
Ben M.
This week I met with Etel from Elizo Construction and Remodeling. She was very professional. She showed up on time and knew what she was talking about. She took us step by step of how she would execute our renovation project. She came out to our house and gave us a consultation for free with no intention of signing us. She was the first person I met who genuinely wanted to help us even if it didn’t mean they would get the job. Just because of that mentality and her knowledge in the construction field my husband and I decided to hire them as our contractors.
ELIZO Construction & Remodeling
Maryam K.
Always professional and on time. Delivered what was promised!
Delilah Design
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Simi Valley home addition contractors by service