Riverside is the county seat of Riverside County and is located within the Inland Empire metropolitan area. People are drawn in by its accessibility, growing economy, pleasant weather, attractive hills and valleys, and convenient location—right between the beach and the mountains.

Along with the city’s busy and active life, it also offers its locals many things to do. Not surprisingly, Riverside is an ideal location for tenant facilities. We’ve listed some of the best tenant improvement contractors in Riverside, California, chosen for their awards, backgrounds, and experience.

Consolidated Contracting

181 Avenida La Pata, Suite #200, San Clemente, CA 92673

Launched in 1989, Consolidated Contracting offers proven preconstruction, general contracting, and construction management expertise. Its expert team brings experience and ingenuity to complex projects in various core markets.

Consolidated Contracting is a full-service general contractor offering the security of a skilled project management team and the flexibility afforded to small businesses. It adapts to changes within the construction industry to maintain a high level of performance on each project. Throughout its four decades in the business, the firm has developed a relationship with its customers that encourages their trust in its ability to perform on a moment’s notice. Consolidated Contracting aims to serve its customers professionally and as expediently as possible. 

Consolidated Contracting is run by its seasoned president, Tony Elias-Calles, and it is a proud member of the Southern California Minority Supplier Development Council.

Tovey/Shultz Construction

18261 Collier Ave. Suite A, Lake Elsinore, CA 92530

Tovey/Shultz Construction, Inc. has built higher standards since 1988. In the years since its launch, TS has thrived into a well-established and trusted firm in the communities it serves because of its high standards of quality and integrity. The company has been a preferred partner in serving communities for 30 years. In 2014, long-time employees Ed Deleeuw and Kevin Terry took over ownership of the studio and preserved the legacy of quality and integrity set forth by its founders.

TS has served clients in Southern California with its general contracting, design-bid-build, design-build, commercial and industrial construction, renovation construction management, estimation, value engineering, and process scheduling services. This year, it has been awarded the 2022 Architectural Engineering Project Award by the American Society of Civil Engineers Orange County Branch.

DEB Construction

2230 E. Winston Rd. Anaheim, CA 92806

DEB Construction is a medium-sized commercial general contractor specializing in building financial institutions, health care, corporate, and critical facilities. Founded in 1975, the company has experienced steady growth by adhering to its core values of collaboration, compassion, consistency, and excellence.

DEB Construction, LLC. was launched four decades ago in Anaheim, California by Yakub “Jake” Vali, a structural engineer, and his two partners, a designer and a builder. Together, these three partners established the company’s DNA and its name: Designer, Engineer, and Builder. 

DEB Construction is a member of the U.S. Green Building Council and the Greater Irvine Chamber of Commerce. Some of its works have been featured in publications like Built Worlds and The Orange County Register.

Fullmer Construction

1725 South Grove Ave. Ontario, CA 91761

Established in 1946 by Leonard Fullmer, Fullmer Construction is one of California’s pioneers in the commercial real estate and construction industry. Fullmer began developing homes in 1946 and has grown its expertise to build concrete tilt-up industrial facilities, educational buildings, medical office spaces, business hubs, private campuses, retail centers, and tenant improvement and infrastructure fields. 

Family-owned and operated for 75 years, Fullmer has built over 2,200 buildings and over 160,000,000 square feet. Beyond the projects it has built, the studio values its long-lasting relationships with its clients. The firm is also affiliated with industry organizations like the National Association for Industrial and Office Parks Inland Empire Chapter and the Better Business Bureau.

Perera Construction

2890 Inland Empire Blvd. Suite #102, Ontario, CA 91764

Henry Perera, Jr. founded Perera Construction and Design, Inc. in 1989. Henry is a first-generation American with Cuban parents and a minority status. Under his watch, the company’s success is built on founding principles and enduring values. Perera Construction is an ESOP general contractor and construction manager working in the health care, higher education, community, and telecom sectors. 

The studio has 30 years of expertise in complex and technically challenging projects. Headquartered in Ontario, California, Perera has grown into one of the largest construction companies in California’s Inland Empire and works throughout the western United States. Among Perera Construction’s most recent awards are the 2018 National Award of Merit from the Design-Build in America and the 2018 Supplier of the Year award from the Southern California Minority Supplier Development Council.

Magnon Companies

1325 Spruce St. Suite #100, Riverside, CA 92507

The Magnon Companies is one of the largest and oldest commercial real estate development firms in the Inland Empire. The company’s core focuses are industrial warehouses, government facilities, multi-tenant office spaces, and value-add projects. Based in Riverside for 30 years, Magnon has developed over three million square feet of office and industrial projects in approximately 100 buildings in Riverside, San Bernardino, San Diego, and Arizona regions.

Under the leadership of president Deanna Magnon, The Magnon Companies carries projects from concept through design and permit approval, handles all general contracting during the construction phase, and maintains and manages properties after completion. As a single source for budget, cost, schedule, quality control, and property maintenance, the studio achieves lower overhead, a quicker development time frame, and faster construction time than companies that outsource these tasks.


555 W. 5th St. Suite #120, Los Angeles, CA 90013

Turelk, Inc. is a general building contractor specializing in tenant improvement construction and renovation. Its 40 years of background have covered a range of projects, from service and maintenance to the complete build-out of multi-story buildings throughout Southern California. 

The company’s extensive services, from pre-construction to move-in, reflect its dedication to leaving its clients with no unmet expectations. From high-end corporate headquarters to manufacturing, technology, life sciences, core and shell retrofit, and reimaging construction, the studio provides ongoing quality control throughout the construction process.

In 2016, Turelk, Inc. was awarded the Calibre Design Award for Small Spaces by the International Interior Design Association Southern California. Part of its portfolio has also piqued the press’ interest and was featured by the Los Angeles Business Journal.

DAI General Contracting

26181 Avenida Aeropuerto, Unit A, San Juan Capistrano, CA 92675

In 2003, founder Laurence Damato grew restless after working seven years for a large general contracting company that specialized in self-storage and ventured out on his own. Shortly after that, Laurence was joined by Fred Hanhauser after he completed his degree. The mix of Laurence’s background in the self-storage industry and Fred’s organizational and management expertise was a perfect fit. DAI General Contracting was formed, and the tandem never looked back.

DAI General Contracting is now a seasoned commercial general contracting company and the undisputed leader in the self-storage industry throughout California. DAI uses its profound and varied experience to offer unique and extensive pre-construction services while delivering a quality and timely product. Over the last decade, DAI has fulfilled over five million square feet of storage while maintaining its experience in office buildings, retail, concrete tilt, and tenant improvements.

Angeles Contractor

783 Phillips Dr. City of Industry, CA 91748

Angeles Contractor, Inc. has been the leading general contractor in Southern California since 1998. Launched in 1998 and incorporated in 2005, ACI is one of the country’s fastest-growing and renowned general contractors, offering smart, cost-effective building alternatives for both public and private sector clients. Its key to success is a collaborative team of experts committed to a common purpose: delivering every project safely, on time, and within budget without unnecessary delays or surprises.

Angeles Contractor runs under the leadership of its seasoned president, Young W. Kang. Under his watch and guidance, the studio was recognized with the Certificate of Recognition for the Highest Performing Construction Company of the Year from the US Department of Commerce in 2015.


  • 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