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House Extension Professionals in Half Moon Bay, CA

Expand your living space with a well-designed extension, custom built to meet your needs and preferences

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11,038 Professionals

Featured Reviews for House Extension Professionals in Half Moon Bay, CA

Argos Construction
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars21 January 2016
“I have hired Argos Construction twice, once for a kitchen remodel in our previous apartment, and once for a full remodel in our current house. The fact that I am a repeat customer is best proof that I am happy with Argos Construction and the owner Viktor. Bottom line is that they do quality work at a reasonable price. Viktor is very knowledgable of all aspects of construction and his team is courteous and efficient. My favorite aspect of working with Argos is that Viktor is extremely responsive. He almost always picks up the phone when called. In the rare cases he doesn't he gets back to messages within minutes. To me, this is key when working with a contractor and having your home remodeled. I can only recommend Argos construction, and I will surely be working with them in the future.”
Mayer's Construction and Remodeling
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars4 December 2022
“Great experience, high value, very reliable and best crew we ever worked with. Mayer’s construction did a home remodeling for us during the last 6 months. It has been a big home remodel for us that took design and build as well. After months spending finding the right company for us, we have choose to work with Mike & Nathan Mayer from Mayer’s construction. A week after finalizing contract we started working with Su & Luis both company’s architect and engineer. We worked on the new plans we agreed and wanted at first and started to have architect drawings ready, when we got into engineering process, both Mayer’s construction and us didn’t know we were suppose to redone so much of the existing footings and reinforce of additional walls as 20 years ago we did a 2nd story addition that was probably made poorly and unprofessional. They were extremely kind and helpful and kept the price as we agreed on and didn’t changed a thing. The plan process and measurements took about a month or so, and finally we were able to submit the plans to the city of San Jose. After getting the permits done and job card set ( overall 5 months of waiting / SJ is a pretty busy city) we got into work schedule and been ready to move out as the entire home going to be demolished. Mike was very organized both managing and scheduling the team, rough materials arrivals, and to us to be fully briefed with details and what we need and when. The process of work was great and on timeline , city did changed a lot during this time period with their inspection delays but it didn’t interrupt with our schedule or timeline due to great management ahead. We just finished our work and we absolutely in love with our new home! New flooring throughout, new kitchen, new bathrooms, complete open floor plan, new stair case, new rooms reconfigured, new paint, new texture, new windows and sliding doors throughout, all new plumbing and electrical. A brand new and beautiful home we got thanks to Mayer’s construction and the team, Mike, Nathan, Raul, Jose and many more who had a added value and did this work absolute best.”
Nueva Builders, Inc.
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars10 March 2015
“Nueva Builders, Inc did a fantastic job on multiple remodel projects at my house. Jeff Cretcher, owner of Nueva Builders is easy to work with, trustworthy, honest and always follows through. The work was always completed in a timely matter which was very important to us. The quality of work is top notch. I highly recommend Jeff and Nueva Builders for any remodel job.”
Only Kitchens and Baths Inc
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars20 April 2021
“I contacted several companies on my kitchen remodel and Only Kitchens & Baths gave me best price-quality ratio. Only Kitchens & Baths team was great to work with, always on time, very professional, communicative and respectful to my home. The most important, my kitchnes turned out fantastic, even better than I expected. Thanj you Only Kitchens & Baths!!”
Endora Builders
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars15 February 2024
“Working with Aidin (Endora Builders) has been a very positive experience! I own a business in the design/architecture world and have worked with numerous General Contractors since the late 1990's. I'm lucky to have worked with Aidin on my own home, as well as in the professional world on collaborative projects. He has many great traits that put him well ahead of other contractors. These traits include being extremely knowledgeable, professional, personable, reliable, courteous, etc. It has been very easy and enjoyable working with him. He also has a lot of experience in commercial construction and his knowledge of the code is unique. It would be difficult to find a more well rounded and likable contractor than Aidin. I would highly recommend that you speak with him about your home project. Jason Urrutia/Urrutia Design”
Valley Boutique Builders
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars14 July 2023
“Working with Ofir and her crew was a great pleasure for us. They were very sincere and discovered a different technique to do the task, which allowed them to stay under budget. Their work was of a high caliber and was done neatly. The lines of communication were open, constant, and transparent. Professionalism was evident throughout, and agreements and reporting were crystal clear. Communication was constant. The crew did a good job of cleaning the house before leaving and showed respect for our residence and daily routine.”
LY Green Construction Inc.
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars13 October 2020
“If you are looking for a responsible, honest, and professional contractor, there are not many that I can recommend. As a California Licensed Architect and with more than 50 years in this business, LY Green Construction is one of the few contractors that I can trust to build my projects. The owner, Shelly Levy is a wonderful and easy person to work with.”
Kyvos Construction
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars20 June 2019
“Very good experience He help us out a lot with our kitchen project remodeling and Answering all our questions that we have”
IGreen Builders Inc.
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars27 April 2022
“We hired IGreen builders to remodel our master bathroom. The company was the fourth we interviewed with and we were deeply impressed by Liron Knot wide experience, their design ideas and their reasonable price, so we offered them the job on the spot. We were so glad we did that! This was a wonderful team - Liron gave us lots of great ideas on the design. He was our project manager, and was very experienced and customer oriented. I often called him multiple times a day and he was always very patient to answer my questions and kept me updated on the daily schedule. The crew was very professional, courteous and highly skillful - we really love the great tile work. Tony and his folks did an excellent job. Now we enjoyed our beautiful bathroom everyday and we are so glad we hired this team. We love their work so much that we decided to remodel the two bathrooms upstairs as well with them, which are ongoing right now.”
Baron Construction and Remodeling
House Extension Professionals in Half Moon Bay, CA
Average rating: 5 out of 5 stars28 July 2014
“First they came and give us an estimate that we really liked, we signed the contract to do the kitchen floors. Before they started the job I ask them to give me a price for the complete kitchen remodeling. again we liked the price and we signed the contract (BTW they helped us with financing the job). during the process we found out the electrical wiring needs to be replaced mike gave us very good price on that so we let them do it. they also gave us 3D design rendering that was great, we actually could see how the kitchen will look like.. Roy Mike and the team where very helpful they answered all of our concerns and even when we change things around they where very understanding and helped us to make our dream come true. we where very impressed when all city inspection pass at the first time. we love how our kitchen came out, it looks amazing like it came out of a catalog, its like living in a mention. we will use Baron construction again to do our roof in the in the near future. they did exactly what they promise and above. we are extremely happy that we choose Baron construction and remodeling to do our kitchen.”
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Builder FAQs
A house extension is a construction process that involves expanding the footprint of your existing home. This could be extending outwards, either to the side or rear of the house, or upwards by adding another storey. House extensions provide extra living space and can significantly increase the value of your property.

House extensions can be categorised based on direction, structure and function. The main types include rear extensions, side return extensions, wrap-around extensions, and double or single-storey extensions. More specific ones could be kitchen extensions, loft conversions, basement conversions, garage conversions or conservatories. Select the type that best suits your property and meets your space needs, if you are unsure, speaking with a local home extension builder in Half Moon Bay.

Generally, house extensions are worth the investment. They provide additional living space and can dramatically increase the resale value of your home, often covering the initial investment cost. However, plan carefully and choose a reputable house extension builder to ensure a high-quality build that will add value to your property.

The cost of a house extension can vary significantly based on several factors, such as the size, complexity of the design, quality of materials used, and geographical location. However, as a rough estimate, a single-storey extension can range from £1,000 to £2,000 per square metre, whereas a two-storey extension can start at around £1,500 per square metre.

Planning a house extension involves several stages, including idea generation, design, planning permission, and construction. Consult with a house extension architect to create a design based on your needs and budget. Ensure to check with your local council about planning permissions. Finally, choose a reputable house extension builder to bring your vision to life.
Why Hire Home Builders on Houzz?
11,038Local Pros on Houzz Who Serve Half Moon Bay, CA
95,000+Total Number of Reviews Left by Homeowners
Are you considering a house extension? On Houzz, you can find an extensive selection of Half Moon Bay house extension professionals near you, eager to turn your vision into a reality. Whether you're planning an extra bedroom, expanding your kitchen or designing a brand-new workspace, these professionals have the skills and expertise to make your project successful. House extension professionals include architects who can draw up detailed plans and builders who will execute them to the finest standards.

Choosing a house extension professional on Houzz ensures peace of mind, knowing that you’re in safe hands. They come highly recommended with a strong track record of creating bespoke, high-quality extensions in Half Moon Bay in a wide range of styles and budgets. Whether planning a new kitchen extension, adding a new storey, or just wanting more living space, find your house extension solution with us.

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