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Building Design & Interior Design Services

Residential: interior / exterior renovations, additions, new home construction  |  Commercial: tenant improvement projects

At Sandstone Design & Planning, we guide you on your custom design journey.
If you want beautiful and functional homes, we can help you.

Portfolio

before and after photos completion photos interior design exterior home remodel kitchen remodel bathroom remodel living room family room remodel new cabinets home add on home addition shower remodel residential design house remodel functional projects design firm
Featured Before & After Photos

Transform your home into a space that reflects both beauty and practicality. Explore our before-and-after photos to see how our remodels can elevate your home. 

3D rendering 3D drawings Chief Architect 3D model design
From Concept to Completion

These 3D renderings and completion photos showcase the design journey from concept to reality, capturing the potential of each space and how it was brought to life.

full home remodel bathroom remodel kitchen remodel paint cabinets new LVP floors new countertops barn door new paint light fixtures new doors shower remodel anti-fog mirrors rain showerhead dream home interior design project
Stunning Full-Home Transformation

This finished project is a testament to how a complete remodel can transform a house into a dream home, perfectly suited for modern living.

home add on home addition outdoor shower functional bedroom bathroom addition desk cabinet storage cabinet neutral color scheme neutral bathroom design
Elegant Master Suite Addition

Designed for comfort and sophistication, this master suite offers a perfect balance of functionality and timeless style, enhancing the home with both beauty and value.

master bathroom remodel curbless shower linear drain ADA friendly universal design bathroom for a wheelchair neutral gray color scheme white marble tile aesthetic shower grab bars safety features
Master Bath Redesign

This remodel combines thoughtful accessibility with a clean, contemporary aesthetic, offering a space that is as practical as it is beautiful.

craftsman style home exterior remodel transformation
Outdated to Craftsman Beauty

What was once an old, unappealing home that suffered extensive fire damage has been completely reimagined into a breathtaking Craftsman-style home.

kitchen remodel family room remodel large island blue kitchen cabinets vaulted ceilings fireplace
Elevated Kitchen & Family Room

This kitchen and family room remodel was transformed into a bright, open, and inviting space that creates the perfect environment for hosting family gatherings.

3D renderings 3D drawings Chief Architect home design full home remodel house remodel design features exterior remodel covered back patio natural lighting solar tubes kitchen remodel large island vaulted ceilings bathroom remodel blue accent tile wood tile floors piano room bookshelves bookcases
Case Study: Complete Home Remodel

This home renovation was transformed into a bright, inviting space with a seamless flow from the open great room to the beautiful outdoor patio.

Our Services

Building Design

  • We craft tailored design solutions that meet your needs and budget, all while ensuring compliance with building codes.

  • From custom floor plans and 3D renderings to regular collaboration with your designer, we ensure every detail is thoughtfully considered.​ 

  • We handle coordination with structural and energy engineers as needed and deliver a complete set of plans, including site plans, elevations, and electrical layouts—ready for building permit submission.

  • Our team handles any necessary plan corrections, so you can focus on creating the space you’ve always envisioned.

Interior Design

  • We assist clients in navigating the myriad of interior design choices, from selecting a cohesive color palette of finishes to choosing the appliances, cabinetry, countertops, fixtures, flooring, tile, and more. ​​

  • Using our 3D rendering program, we help bring your vision to life  to see how your space all comes together.

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  • Our plans show detailed elevations highlighting every element, from fixture placements to tile layouts and cabinet specifics, ensuring your design is both functional and stunning. 

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  • We take care of every detail with precision and care, alleviating decision fatigue.

Furniture Specifications

  • Discover the perfect furniture arrangement tailored to your style, needs and comfort.

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  • From custom floor plans and 3D renderings to collaborative meetings, we ensure each furniture selection enhances your space and harmonizes with others for optimal flow

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  • Enjoy scheduled showroom visits to explore recommended stores, with your designer providing detailed specifications and a comprehensive product list.​

  • We manage all furniture orders and white glove delivery, creating a thoughtfully curated layout that blends style and functionality seamlessly.​

“Kathy is very client oriented and a gifted designer. She listens, takes direction, and often comes up with an improved alternative. Best of all, she is always responsive and a pleasure to work with.
I highly recommend her."

- Michael S.

“Ricardo is an exceptional designer. Over the past 30 years I have worked with him on designing hundreds of homes for our production home projects and custom home clients. Ricardo is very talented and a pleasure to work with as he has an eye for detail. He has excellent conceptual ideas and will take a home design from ordinary to exceptional. I highly recommend Ricardo.”

- Kris Miller, Custom Homes by Miller

"Our primary bathroom remodel is finished and I love it! We have never done a remodel before. Both Ricardo and Kathy helped us step-by-step. From start to finish, they were professional and friendly. They effectively managed our project and were actively involved each step of the project.
I highly recommend Sandstone for planning and designing your next project!"

- Dorothy P.

About

Kathy and Ricardo have been an inseparable team for over five years, combining their talents to create exceptional homes.

They first met at Kathy’s first job after college in Davis, CA where Ricardo became both a mentor and a source of inspiration.

With Ricardo’s architectural expertise and Kathy’s interior design skills, they offer full-service design solutions, seamlessly blending form and function. Their shared vision and mutual respect make their partnership both successful and meaningful.

Founded in 2021, Sandstone Design & Planning is a full-service design firm based in

Davis and Sacramento, California, serving all areas of California and beyond.

About

Kathy Ho

Principal Designer

Certified Interior Designer #7244

Kathy Ho UC Davis Sandstone Design & Planning Certified Interior Designer #7244 Davis, CA Sacramento, CA

Kathy has spent the majority of her career working on residential projects with additional experience in commercial design work, including offices and restaurants.

When working with her, she will bring perspectives from both industries to craft spaces for you.​

She enjoys solving problems in creative ways and holds a high standard for her designs, making sure that they fit both your lifestyle and your goals. She is dedicated to working closely with clients to ensure their vision is brought to life.

Kathy grew up in Sacramento and earned her B.A. in Design at UC Davis. Outside of work, you can find her pursuing her other passions: fitness and decluttering. She believes the things in your home should bring value and joy to your life.

Ricardo Almanza

Principal Designer

Ricardo Almanza Architect Designer Sandstone Design & Planning UC Berkeley Davis, CA

Ricardo has decades of experience designing homes throughout California including Davis, Bay Area, Sacramento, Stockton, and Carmel.

 

He believes in design as a reflection of the end user not the designer. He enjoys transforming challenging layouts into inviting and functional spaces. With your needs and wishes in mind, Ricardo will transform your house into a beautiful, enjoyable and harmonious home.

He grew up in small towns in Mexico and California, and didn't discover his passion for architectural design until college, where he received his B.A. in Environmental Design at UC Berkeley. When he's not busy helping his clients, you can find him enjoying his hobbies which include playing / coaching soccer or in his backyard working on his garden.

Contact Us

Contact us for a complimentary consultation. We look forward to hearing about your project. Send us an email at sandstone-dp@outlook.com or use the form below.

Sandstone Design & Planning Interior Design Davis Sacramento California
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