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House Extension Professionals in Calistoga, CA

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Calistoga / 25 mi
Architects & Architectural Designers
House Extensions
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80 Professionals

Featured Reviews for House Extension Professionals in Calistoga, CA

SDG Architects
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars3 August 2015
“Jeff Potts at SDG designed us an incredible, award winning guest house! What I particularly like about Jeff is his open and approachable style. We've worked with many architects over the years and many simply don't want to listen to the client. Jeff listens and then delivers a design beyond your expectations. I would highly recommend working with them.”
Ludwig Design
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars31 August 2023
“David is that rare combination of deep knowledge in the building trades, architecture & design, plus is very personable and a pleasure to work with. I have worked with David off and on for 20+ years and he never fails or let's one down. One cannot do better than David as a design & building professional.”
THREE SIXTY ONE Architecture, AIA
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars3 September 2013
“Dan Weaver of 361 Architecture designed an amazing remodel for our mid-century style Mill Valley home. We thoroughly enjoyed working with Dan on the project. He was extremely sensitive to our needs and concerns regarding design, process, timing and budget. He worked seamlessly with our contractor. The entire process went very smoothly and we were absolutely thrilled with the results. – Renée Harcourt”
Paul Hastings Design
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars11 June 2017
“I am a realtor and Paul is my go-to for any kind of architectural guidance. I refer him with enthusiasm to both clients and colleagues. He is the ultimate professional - responsive, collaborative, and efficient with time/budget. Best of all, he's easy to be around. Highly recommend for anything from additions/revisions to custom-builds!”
Tyreus Design Studio
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars4 June 2015
“Christie was our architect for a very transformative remodel of our entire house. From a very dated 1970's styled house, that was built originally in the 1920's. She was everything we needed in an architect. Creative, responsive, and very professional. We would highly recommend her services.”
Harris & Kasten, Inc.
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars17 September 2013
“My husband and I have worked with Harris & Kasten since the late 1990s. They have done many projects for us, including our lovely home in Atherton. Our home is a combination of Italian and French design. Everything was done to a tee! We could not be more pleased with their knowledge of art, art history, history, architecture, etc. You cannot go wrong with them.”
ODS Architecture
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars25 August 2012
“The staff at Ohashi Design Studio helped me design my kitchen/living space. I wanted to open up our galley kitchen to be able to see our incredible view from the kitchen. They came up with a design I never imagined could work so well. Rather than just remove a wall, they moved the kitchen, changed it to a more functional shape and not only opened up the view, but made the living space feel like we were outside. I have been especially impressed with their level of service. They listened to my dreams and goals and turned it into a reality beyond what I'd hoped for. They were available anytime I needed guidance during construction and made sure the project was built down to the finest details. They helped me find a contractor and oversaw the bidding process. They helped pick out all the materials and finishes, even the paint color. I can't say enough about their level of expertise and professionalism. I worked with Dave and Alan.”
RGArchitecture
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars22 July 2016
“I hired RGA for a guest house in Montana [on this site]. They did a fabulous job turning my tear-sheet ideas into a beautiful structure. I am now [7/16] working with them in creating the main house. It is going to be extraordinary. RGA creativity is matched by their attention to detail and responsiveness to the many small but important issues that arise during the building process.”
Joseph Farrell Architecture
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars6 February 2014
“Joe was exactly what we needed for our home remodel/addition project. We came in with lots of ideas but couldn't figure out how to pull it together and make it work. Joe was a great listener and quick to pick up on our style and needs, and in no time he was bringing solutions that we would never have come up with. In addition to being a real pro, Joe is very personable and a pleasure to work with. Highly recommended.”
The Design & Building Works
House Extension Professionals in Calistoga, CA
Average rating: 5 out of 5 stars28 July 2020
“The Design and Building Works was key in obtaining my building permit from the City of Santa Rosa. I was in need of having drawings, plans, and specifications done for the conversion of my garage into a 1 bedroom unit, an Accessory Dwelling Unit (ADU). The Design & Building Works put together drawings and specifications that required only one review by the Santa Rosa Building Department in order to issue me the required building permits. The drawings were complete in regards to referencing all of the required building codes, specifications and on calling out all of the correct details. Ellen Picard, owner is really easy to work with, detailed oriented, and has a very good reputation with the City of Santa Rosa Building Department. I highly recommend her and I would hire again for any project without a second thought.”
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Architect or Architectural Designer 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 Calistoga.

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 Architects & Architectural Designers on Houzz?
80Local Pros on Houzz Who Serve Calistoga, 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 Calistoga 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 Calistoga 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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