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House Extension Professionals in Oakland, CA

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

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Oakland / 50 mi
Architects & Architectural Designers
House Extensions
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1,621 Professionals

Featured Reviews for House Extension Professionals in Oakland, CA

TSBDESIGN
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars10 August 2023
“Tiffany is an exception architect. Her impeccable design sense, phenomenal attention to detail, and her ability to work magic with contractors and craftsmen is impressive. If you want a strong creative visionary with unmatched executional ability, Tiffany is the right architect. Very strong modern sensibility and has the capacity to lead projects across the architectural spectrum — she can do massive renovations and ground up work, to lighting and interior design, to landscape design. Highly recommended.”
Sofiov Design
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars13 March 2023
“I have been working and collaborating with Allen for a few years. He has been helping me with my projects and helped me to create stunning renderings and designs for my clients. I truly recommend them to everyone that looks for stunning interiors & exterior deign”
Wm. F. Holland/Architect
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars23 March 2012
“We spent two years with Bill Holland, the first conceptualizing ideas for a major remodel of our 1916 Craftsman style house, the second in construction. We loved working with Bill and today appreciate his talents as we enjoy living in our evolved home. Bill is a gifted architect – able to visualize the design and construction of a three dimensional space in his mind’s eye, and then communicate his vision to clients in an understandable way. We wanted more openness and access from the rear of our house to our back yard. The result is stunning – truly an indoor/outdoor living space. Upon the completion of our project, Bill and we were honored to win an award from the City of Piedmont for the Best Outdoor Living Area in 2011. ”
Y.Designs
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars28 November 2017
“2017-07-02 My husband and I had been thinking about remodeling our master bathroom for a few years, but we took our time to start it because we couldn’t find any designers we liked. However, after we had a consultation with Yuki, we had a good feeling that she would create our dream bathroom. She listened to our desires carefully and she created the design exactly how I wanted it to be. She communicated quite positively with our contractor and directed all the details of her design. Her advice was very professional and precise. Because of Yuki’s aesthetic design style, our dream bathroom turned out to be far better than we expected. We couldn’t go through the remodeling process without her. My husband and I are also planning an addition for our house in the future, and Yuki is the only person we will trust to work on our project again!”
Dotter & Solfjeld Architecture + Design
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars1 November 2012
“We worked with Dotter & Solfjeld most recently to design an Italian villa on a hillside in Saratoga, CA. This was actually our third project together as they worked on an expansion and remodel of our previous house in Palo Alto as well. As soon as we bought the lot in Saratoga Russ and Wencke, of D&S, began studying the landscape, spending significant time at different points in the day to intimately understand the light, the views and the flow of the hillside. Russ and Wencke are experts at both exterior and interior architecture and design, and they are an amazing team! Once they felt they knew the property, they spent time with us to understand what we liked and disliked and then began designing our house based largely on Italian building principles of thick walls and simple, yet elegant, construction. D&S involved us in every step of the process and ensured we were completely comfortable with each phase of the design before moving forward. They totally went above and beyond the call of duty by diligently working with our planning department and even one neighbor. They were our advocates with the City and were clearly extremely well respected by everybody they interfaced with. During the building process, D&S worked closely with our contractor and foreman to ensure that the project ran smoothly and stayed on budget. Often times, there is tension between architects and contractors, but our contractor loved working with D&S. Some of our friends have also used D&S to design ultra modern homes...D&S is super versatile and we unequivocally and enthusiastically recommend them.”
RaBit Design Build
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars5 April 2018
“This team was contracted to do the architectural work on an addition to my home. I sketched out the overall design. Nong listened and offered his suggestions. At the conclusion, his overall design and improvements when far beyond what I had envisioned. He walk through all the paperwork and time needed to get all the permits which allowed me time to take care of the family and talk about the new look. The project is still under construction, but I know my family and I will be happy with what we both (myself and Nong) envisioned.”
Sogno Design Group
House Extension Professionals in Oakland, CA
Average rating: 4 out of 5 stars29 March 2014
“Kathy Rogers and her team at Sogno Design Group created a fabulous design for my kitchen. She listened well and incorporated the features most important to me. She provided 3 conceptual designs that were all great options. After I chose one she guided me through the decisions I had to make and the resulting design was a significant improvement. I now have a beautiful kitchen. Kathy was a pleasure to work with. Notes: the project cost below is for Sogno services only. The construction and appliances cost significant more. Architecture services were approximately 10% of the total. The photos attached are by homeowner and include some old furniture that will be replaced.”
Ogle Design & Architecture
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars18 April 2017
“Consistently refreshing creative architectural designs. William is a unique architect that understands deeply how to create highly functional buildings that are both efficient and gorgeous. Great work and extremely professional. Highly recommend.”
Rebecca Schnier Architecture
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars22 July 2015
“I highly recommend Rebecca Schnier Architecture. Rebecca has done several projects for us, including a 1000sf upper level addition, kitchen and bathroom remodels. The first project was in 2001 and the last one in 2012. She does beautiful design work that is very functional. She asks questions to be sure she understands her clients needs and taste. She offers design options and always has her clients best interests in mind. She is very creative and resourceful in her use of space. She is a pleasure to work with and delivers beautiful results.”
Marc Newman Architect
House Extension Professionals in Oakland, CA
Average rating: 5 out of 5 stars14 March 2021
“Excellent clear and honest communication. I look forward to working with Marc in the future. I would highly recommend Marc to anyone.”
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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 Oakland.

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 Builders on Houzz?
1,621Local Pros on Houzz Who Serve Oakland, CA
3,500+Total Number of Reviews Left by Homeowners
Are you considering a house extension? On Houzz, you can find an extensive selection of Oakland 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 Oakland 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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