Location: Twain Harte, CA

Design Build Services

Cornerstone Construction Design Build Services

Twain Harte, CA Luxury Architect, Interior Design, and Builder

From conception to completion, your project is in the capable hands of our on-staff architects, interior designers, construction personnel, and supporting team members. This allows for seamless transitions, early and accurate cost information, and reliable communication during construction.

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Design Build

Architecture

Our signature style is a blend of traditional and modern design, with a focus on creating timeless beauty and comfort for our clients. Whether you are looking to redesign an entire floorplan or build your dream home from scratch, we will work with you to create a space that meets all of your needs while also exceeding your expectations.

As reputable Twain Harte, CA, architects, we have extensive experience in major floorplan redesigns and custom home designs, and our design build service team has been recognized by the American Institute of Architects as well as numerous other prestigious organizations.

Design Build

Interior Design

When you choose our interior designers, you’ll have access to a team of professionals who are highly trained in the art of transforming the space in your home into a reflection of your personal style.


Whether you prefer local luxe brands or highly custom, imported materials and furnishings, our Twain Harte, CA, interior designers expertly work with you to assemble everything needed to complete the interior design of your home.

Design Build

Construction

Cornerstone Construction is a Twain Harte, CA-based construction firm that has built a reputation for its expert, high-quality design build services. Our trusted builders have been building homes and commercial properties for over 18 years in the greater Twain Harte, CA, area.

Our work includes modern coastal homes to traditional and historic residential landmarks. Cornerstone Construction is an expert in large-scale, complex, residential construction projects in the greater Twain Harte, CA area.

Project Management

Project Management

We specialize in project planning, cost management, risk management, personnel management, quality assurance, record keeping, communication with clients and other subcontractors, and ensuring client satisfaction.


As your general contractor, we will manage your project from start to finish. From the initial design phase to the completion of your final inspection we will oversee all aspects of your design build services.

Custom Home Building

Custom Home Building

We believe that the home is where you make your dreams come true. Cornerstone Construction design build services provide full-service design and construction to help you create a home that reflects your unique personality and style.


From architectural design to interior design to quality construction, our team of experts has the expertise and experience to make your vision a reality.

Design Build

Whole Home Remodeling

We are a Twain Harte general contractor that specializes in whole home remodeling and full remodels. We have extensive experience in residential architecture, so we can help you with any design build service, from adding square footage to your home to completely changing the style of your home.


We work with a wide range of clients, from first-time homeowners to multi-million-dollar homes, but no matter your budget or style, our team will help you transform your space into what you’ve always dreamed of.

Design Build

Historic Home Restoration

Historic Restoration projects require careful consideration when deciding what to renovate and recreate, the appropriate choice of materials, and building sustainably sound structures with minimal intervention. In most cases of restoration, the palpable structures of historic buildings have been subjected to decay and destruction over time. To accomplish a complete restoration, one should take into consideration sensitive processes and specific materials alongside design measures.

This not only results in a successfully accurate recreation of spaces but also protects the building from any exploitation. To further promote the life span of historic complexes, the restoration design can be integrated with technologically advanced features ensuring sustainability.

Design Build

Cost Estimation

At Cornerstone Construction, we believe in being thorough. We don’t just offer an estimate—we provide an accurate picture of your project’s costs and a realistic timeline so that you know exactly what to expect before you sign on the dotted line.


That’s why we have a team of experienced Twain Harte builders who understand the complexities of construction and can offer cost-saving solutions to better meet both budget and schedule. Our estimation department is comprised of these individuals, who draw upon their years of experience to help you get a clear idea of what the remodel or custom build project will cost and how long it will take to complete.

Design Build

Full Service Design/Build Services

Cornerstone Construction is a full-service construction company that specializes in large-scale residential construction projects. Our team of experts provides award-winning design development and design build services through architecture and interior design, comprehensive cost estimating services, professional project management, and quality construction that delivers an exceptional client experience.


Our Twain Harte, CA design build services include whole home remodels and expansions, luxury custom homes, and estates.

Design Build

Cost Estimation

At Cornerstone Construction, we believe in being thorough. We don’t just offer an estimate—we provide an accurate picture of your project’s costs and a realistic timeline so that you know exactly what to expect before you sign on the dotted line. That’s why we have a team of experienced Twain Harte, CA builders who understand the complexities of construction and can offer cost-saving solutions to better meet both budget and schedule. Our estimation department is comprised of these individuals, who draw upon their years of experience to help you get a clear idea of what the remodel or custom build project will cost and how long it will take to complete.

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Design and Construction Services Near You

We have proudly served Tuolumne County, Twain Harte, Sonora, Pinecrest, and Groveland, CA, are for over 18 years. Every city and neighborhood in Twain Harte, CA is unique in style and character. It is because of our experience that we are often chosen to guide clients and projects through complex jurisdictional requirements and permitting and approval processes that are unique to your city.

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Areas We Service

At Cornerstone Construction, we're proud to extend our services to the following areas:

  • Cedar Springs, CA
  • Chinese Camp, CA
  • Cold Springs, CA
  • Columbia, CA
  • Dardanelle, CA
  • East Sonora, CA
  • Groveland, CA
  • Jamestown, CA
  • Long Barn, CA
  • Mi-Wuk Village, CA
  • Pinecrest, CA
  • Phoenix Lake, CA
  • Sierra Village, CA
  • Sonora, CA
  • Soulsbyville, CA
  • Strawberry, CA
  • Tuolumne, CA
  • Tuttletown, CA
  • Twain Harte, CA

Contact us today to bring your vision to life in these beautiful communities.

(209) 352-3354

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No matter the scope or scale of your project, Cornerstone Construction is committed to exceeding your expectations and bringing your vision to life.

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