Los Angeles' full service Commercial Design-Build firm, since 2010.

Custom Design-Build Solutions for LA Commercial Properties

Letter Four offers a full suite of licensed architectural and general contracting services for commercial projects in Los Angeles. With a focus on innovative and inspired designs, our team works collaboratively with clients to create functional and visually stunning spaces that speak to the end user. 

From retail environments and offices to restaurants and gyms, our innovative designs address the needs and challenges of commercial builds, including maximizing functionality and space utilization, adhering to safety and building codes, and creating a visually stunning and inviting atmosphere that resonates with your brand. 

Led by Lauren and Jeremy, our team has the expertise to deliver quality design and maximum constructability, all while controlling project costs.

About Us

At Letter Four, Inc., we believe in the power of great spaces and people. Our passion for design and construction fuels us to create exceptional commercial spaces that elevate your business and enhance profitability.

With our true owner-partnership approach, we combine our expert backgrounds to provide a collaborative and organized facility design experience that addresses all of your needs while maintaining a streamlined process. From start to finish, we work closely with you to understand your unique goals and vision, providing personalized white-glove service that exceeds your expectations.

Our mission is to transform your business through quality spaces that attract customers and keep them returning. We do this by providing top-notch general contracting services for commercial projects in Los Angeles. We believe that your space should reflect the excellence of your business, and we're dedicated to bringing that vision to life.

From luxury retailers to the trendiest hospitality hot spots, we’ve served many satisfied brands across the greater Los Angeles area. We hope to make you one of them! If you’re an innovative organization that values good design and collaborative construction, we want to work with you. 

Our favorite clients aim to create truly special spaces through respectful teamwork. We seek imaginative projects that chart new territory in commercial design, offering the insights and expertise necessary for achievement.

Talk to Our Team

Project Planning Pack

Our Project Planning Pack is designed to give you the necessary knowledge and resources to set you up for success in your construction or remodel project. All of these resources are available to you for free, so don't hesitate to take advantage of them. 

  • Answers to frequently asked questions
  • Self-interview to understand your project better
  • Roadmap of the design and construction process, from start to finish
  • A hand-picked list of experts who can assist you at every stage of your project
  • Budget worksheet for a ballpark cost estimate
  • Project-specific checklists
  • Warning signs to look out for when interviewing architects

Don't let confusion or uncertainty hold you back – start your project on the right foot with our free resources.

Check Out Our Project Planning Pack

Your Project Action Plan

Starting a new construction project can be a daunting experience. Our Project Action Plans help you prepare for a project without committing to a full build. The package provides you with the essential first steps that we take for every project, including determining how your project fits within your budget. By investing time in these early stages, our team can help you avoid costly reworks or delays.

Plus, it's a great way to start our relationship on the right foot, allowing us to work together to determine if we're a good fit before committing to the entire project. Like dating before marriage, building a house is a big decision that shouldn't be rushed.

Our Project Action Plans allow you to properly plan your project and make an informed decision.Receive support and guidance to achieve your goals and create a space you'll love. Take the first step, and let us help you plan your project with our helpful resources, including budget worksheets, project-specific checklists, and expert recommendations.

Your action plan options

We’ve designed and built some of LA’s landmark spaces. See the difference in Letter Four’s commercial and hospitality projects.

Letter Four, Inc. is an industry leader in commercial construction with a strong presence in Los Angeles.  We have completed several high-profile projects in the area, including restaurants, hotels, retail spaces, and offices. Our team of experts takes pride in delivering exceptional results that exceed our client's expectations while ensuring projects are completed on time and within budget.

We understand the importance of creating a space that looks good and functions well for its intended purpose. Our commitment to quality, safety, and sustainability has earned us a reputation as one of the top commercial construction companies in Los Angeles.

View Our Work

Commercial Builds That Inspire Productivity and Innovation

Transform your commercial property with expert architectural planning and design. Collaborate with our team to create a comprehensive plan tailored to your unique needs and preferences while ensuring compliance with local building codes and regulations.

Streamline your project with a single point of contact. From conceptualization to completion, we manage everything, including architectural design, engineering, permitting, and construction. Our LA commercial general contractors aim to deliver high-quality results, minimize disruptions, and efficiently manage time and cost.

Enhance the value and functionality of your space with skilled craftsmen who will transform your project with precision and attention to detail. From full remodels to small renovation projects, we'll bring your vision to life with exceptional quality and craftsmanship.

Owner’s Agent and
Project Management

Oversee your project with confidence as we act on your behalf to ensure successful delivery. We handle everything from bidding and procurement to quality control and close-out, ensuring your project is completed on time, within budget, and to your satisfaction.

Feasibility Studies

Maximize your project's potential with a comprehensive feasibility study. Our team assesses key factors such as site conditions, zoning restrictions, budget, and timeline to determine the viability of your project. With our in-depth analysis, you'll gain valuable insights to help you make informed decisions and plan your project effectively.


Realize your vision with our expert guidance. Our designers and architects work with you to explore various design options, establish goals and objectives, and develop a detailed plan that aligns with your budget. We prioritize functionality, sustainability, and aesthetics, ensuring your project is tailored to your needs and preferences.

Interior Design

Elevate your space with a cohesive design that embodies your style and meets your functional needs. Our team of experienced designers and decorators can help you select the perfect color palettes, furniture, lighting, and accessories to bring your vision to life. With an eye for detail, we ensure every aspect of your interior design is executed flawlessly.