Located in the middle of Orange County, Santa Ana is the county’s largest city. Situated roughly 35 miles south of Los Angeles, Santa Ana offers visitors a variety of museums, exhibits, and diverse activities. The city has a thriving art community and is an ideal location for starting a business, with over 30,000 enterprises operating. If you’re interested in building or improving a business location in this vibrant community, check out the ten best tenant improvement contractors in Santa Ana, California, listed below.

DPR Construction

4665 MacArthur Court Suite #100, Newport Beach, CA 92660

Established 32 years ago, DPR Construction is a self-performing general contractor serving clients in Santa Ana, Irvine, Los Angeles, Santa Barbara, Palm Springs, and Southern California. The company specializes in a wide array of services, including general contracting, construction management, environmental health and safety, preconstruction, self-perform work, sustainable construction, virtual design, and construction. Since its start in 1990, the firm has grown its client base by delivering superior value with all its projects. Whether handling a multimillion dollar construction or a minor room renovation, the team executes each project with unmatched accountability.

Michael Konetzke and Alicia Loh are DPR Construction’s leaders. Michael is a third-generation plumber who joined the company in 1996. He has built numerous facilities from coast to coast and has worked in seven offices across the country. Alicia has a civil engineering degree from the University of California, Berkeley. She has served in various roles at DPR Construction and implements company strategies and priorities at the local and national levels.

Howard Building Corporation

3184 Airway Ave. Unit K, Costa Mesa, CA 92626

Howard Building Corporation is a Los Angeles and Orange County general contracting firm that has been turning visions into reality for the past 39 years. Headquartered in Costa Mesa, California, the company offers construction services, construction management, design-build, and project evaluation services. The firm serves a broad spectrum of clients and is committed to exceptional customer service. Howard’s wealth of experience and knowledge has enabled it to develop advanced solutions for its customers. Its expertise has made it one of Southern California’s leading commercial interior construction companies.

Mark Fuller brings nearly four decades of construction experience to his role. As the CEO of Howard Building Corporation, he oversees company policy, executes the overall strategy, and serves as part of the top level of leadership in the company. Bryan Howard is the president and has been involved in all facets of HBC for 28 years.

W.E. O’Neil Construction

909 N. Pacific Coast Hwy #400, El Segundo, CA 90245

W.E. O’Neil Construction is an award-winning, employee-owned, commercial construction company that has been developing quality structures and great relationships for a century. Since its founding in 1925, it has earned a reputation for dedication to its people, quality, integrity, and responsiveness to client’s needs. The firm offers expertise and experience in a wide range of services, including commercial construction, interior finish, renovation, additions, conversions, facility remodels, general contracting, and BIM. It builds nationally, with locations in Arizona, California, Colorado, Illinois, and Tennessee.

The firm receives 80% of its work from repeat clients. It believes communication is essential in every project, so it listens to its customers and becomes partners in building their success. The company operates under the leadership of Brian Ramsay and John Finn. Both principals have established a strong background and reputation in the construction industry.

Howard CDM

17434 Bellflower Blvd. Suite #300, Bellflower, CA 90706

For 50 years, Howard CDM has imagined, created, and built projects that transform existing areas into vibrant community spaces. It focuses on providing pre-construction, estimating and budgeting, value engineering, design-build, general contracting, ground-up construction, and tenant improvement, extending its services to Santa Ana, Garden Grove, Bellflower, Los Angeles, and West Covina. The firm was established to build superior products for its clients and has consistently achieved this goal by meeting clients’ expectations while adhering to their budgets and timelines.

Howard CDM’s passion for building is reflected in the projects it undertakes. Its people are also fundamental to its decades of success. Martin Howard is a Southern California native who grew up working in the trades with his father, Michael Howard. A few decades later, he has grown his father’s small construction business into a thriving, multimillion-dollar company with over 45 full-time employees.

Esplanade Builders

23820 Hawthorne Blvd. Suite #100, Torrance, CA 90505

Headquartered in Torrance, California, Esplanade Builders is a general contracting company specializing in full general construction services and interior office tenant improvement. The company serves clients in Santa Ana, Irvine, Los Angeles, Redlands, Aliso Viejo, Santa Fe Springs, Azusa, Ontario, Newport Beach, and Southern California, operating with purpose, intention, and dedication to its craft. The firm fosters teamwork and collaboration to make every project a success. It strives to fulfill and exceed expectations in every phase through outstanding workmanship and excellent customer service.

Christian Sorenson is the CEO and president of Esplanade Builders. He has 20 years of experience in the general contracting and construction industries. Under his oversight, the firm has garnered numerous awards, such as the 2021 Top 10 Tenant-Improvement Contractors from Orange County Business Journal. When he was younger, he worked with his father in constructing and remodeling homes and developed hands-on experience in a wide range of trades.

Ram Construction

20 Executive Park Suite #250, Irvine, CA 92614

Ram Construction is a leading commercial general contractor in Santa Ana, Los Angeles County, Orange County, and San Diego County. The firm provides economical and reliable solutions for many industries, such as office, creative office, life science, health care, industrial, entertainment/studio, and retail. For 15 years, the company has prioritized lasting connections, aiming for clients to see Ram as an extension of their organization. Ram opened its doors in 2007, providing pre-construction, value engineering, workplace strategy, constructability and design assistance, design-build project delivery, cost management, and quality control.

Matt Renault and Spencer Moran co-founded the company. They bring 26 years of combined construction experience and have been at the forefront of every project since day one. Under their direction, numerous media outlets have featured the company, including Orange County Business Journal.

Uprite Construction

2211 Michelson, Suite #500, Irvine, CA 92612

Uprite Construction is an award-winning construction company with diverse project experience, including heavy civil, industrial, medical, mixed-use, new construction, office, retail, and tenant improvement. The company was established in 1991 and serves clients in Santa Ana, Irvine, Palmdale, Newport Beach, Simi Valley, Cathedral City, Hanford, Riverside, Camarillo, and beyond. Since its founding, Uprite has successfully delivered around 1,160 projects and served more than 175 happy customers. Uprite Construction has always been built around its clients’ needs, and it has formed a strong base of positive relationships over the years.

The firm’s professional team constantly challenges itself to exceed customers’ expectations while making the process smooth and providing superior craftsmanship. Uprite Construction has worked with many well-known clients, such as Tesla, Amazon, and Samsung.

Angeles Contractor

783 Phillips Dr., City of Industry, CA 91748

Founded in 1998, Angeles Contractor is one of the country’s fastest-growing and most respected general contractors. The firm was incorporated in 2005 and has focused on providing intelligent, cost-effective building solutions for public and private sector clients. It has earned a reputation for its reliability and commitment to quality construction. Angeles Construction offers a wide range of services, including design-build, construction management, general contracting, master planning, architecture, engineering, and value engineering. The company serves Santa Ana, Los Angeles, San Bernardino, San Jose, and Yorba Linda.

Walter Shirley directs the company as the senior vice president and has overseen a broad array of projects. He has been with Angeles Contractor for 46 years and is passionate about putting his clients’ needs first.

Pacific Construction Group

17895 Sky Park Circle #K, Irvine, CA 92614

Pacific Construction Group is an Orange County general contractor offering a wide array of services and talent to effectively meet clients’ construction needs. The company specializes in ground-up industrial, office, retail, and medical facilities, including full tenant improvements. It undertakes every project with integrity and keen attention to detail while ensuring completion on time and within budget. 

In 1998, Mark Bundy and Doug MacGinnis teamed up to build a construction company that provides clients with quality products and unparalleled customer service. The two bring 55 years of combined experience and guide each client smoothly through their construction project, from start to finish. Since 1983, Mark and Doug have also worked together in the real estate business. They have successfully managed roughly $300 million and 6.5 million square feet of new commercial construction.


  • Jake Gustafson

    Jake has served as Senior Editor at General Contractors and brings a wealth of experience rooted in his passion for building. Holding a degree in Construction Engineering Management from Oregon State University, he actively engaged in industry-related activities, including membership in the Associated General Contractors of America student chapter and participation in the Associated Schools in Construction student competition. Previously, Jake served as a project engineer for a prominent general contractor in Portland, where he played a pivotal role in various aspects of construction projects, from pre-construction to subcontractor management. His expertise extends to working on innovative projects, such as North America's largest CLT commercial building. Expertise: Commercial Construction, Commercial Remodeling, Home Design and Build Key Highlights: Editor at General Contractors, Project Engineer for Portland-based general contractor, Field Engineer for the largest CLT commercial building in North America Education: Oregon State University, Degree in Construction Engineering Management