Westminster is a vibrant city with much to offer including a multicultural community, plenty of job choices, and recreational amenities. It has a variety of shopping, dining, and business centers to meet both visitors’ and residents’ needs. The city continues to grow by focusing on roadways, public utilities, and parks. As commerce and tourism continue to boom in the city, top commercial contractors’ assistance is required.

Our editorial team has listed the five best commercial contractors providing services in Westminster. These contractors have been in the industry for decades; some have been providing commercial contracting services for over a century. These contractors have also had plenty of press exposure and received a number of awards for their impressive work.


Timberline Construction

7152 W Hazard Avenue, Westminster, CA 92683

Established in 1985, this Westminster-based firm knows its success comes from repeat clients. Having serviced over 335 clients, 80% of them are previous customers. Timberline Construction believes that trust is key. Hence, the firm provides project management services in an open-book format. It guides clients during the entire construction process. From pre-construction to punch list and closeout, this contractor assists a client every step of the way. Customers can rely on the company’s expertise in budgeting, bidding, and subcontractor selection, as well as job and logistics management. 

For over 36 years, Timberline Construction continues to deliver quality services and build clients’ trust. This has been Joe and Sallie Black’s goal since the company’s founding. For Joe and Sallie Black, the firm’s pride comes from its agility and responsiveness to clients’ needs. With these values, the firm exhibits expertise in handling large and complex projects. Its core markets include commercial and corporate interiors, restaurant and dining, education, and retail.


Howard CDM

17434 Bellflower Boulevard, Suite 300, Bellflower, CA 90706

Howard CDM is a leader in detail and design. The firm is a master in handling commercial, retail, and hospitality projects in Westminster and the surrounding areas.  The firm won the 2020 Urban Design Merit Award from the American Planning Association California Chapter. The firm has also gained recognition for its outstanding work on the SteelCraft Garden Grove. For this project, the firm has created an open-air dining space by weaving together 22 repurposed shipping containers. This 20,000-square-foot urban eatery features a steel truss barn-like roof structure, reminiscent of Orange County’s agricultural history. 

Established in 1972, Howard CDM builds superior products for its clients.  Focusing on commercial construction and development management, the firm provides a complete range of construction services. Its services include pre-construction, estimating and budgeting, value engineering, and design-build. These services are customized to fit each client’s budget and needs. For the firm’s leadership in design and construction, it has been featured in All Work Space.


Balfour Beatty Construction

1501 Quail Street, Suite 130, Newport Beach, CA 92660

Established in 1909, this contractor delivers service excellence through relentless curiosity. Existing in the industry for more than a century, its success is driven by its passion to serve and innovate. The firm continuously finds better ways to serve its clients and partners. Serving the Los Angeles-Orange County area, Balfour Beatty is an industry leader in general contracting, at-risk construction management, and design-build services. 

The Ronald McDonald House project displays the firm’s decades of expertise in commercial construction. For this project, a 65,000-square-foot facility was built. The firm masterfully constructed the facility on top of an existing six-story parking structure. Currently, this well-constructed facility offers hotel-style accommodations for families visiting the area. 

Over the years, the firm has displayed professionalism. This is evident in its Associated Builders and Contractors (ABC), Design-Build Institute of America, and American Institute of Architects (AIA) accreditations. The firm has also earned multiple recognitions including the 2020 Excellence in Construction Eagle Award from the ABC. Its status in the industry has been recognized in a number of press features. The firm has graced the LA Business Journal, San Diego Business Journal, and Orange County Business Journal.


McCarthy Building Companies, Inc

20401 SW Birch Street, Newport Beach, CA 92660

McCarthy Building Companies, Inc has been in the industry for over 157 years. Running for a century and a half, the firm has established its position in the industry. With multiple offices scattered around the country, this contractor is one of the nation’s industry leaders. Multiple publications have featured the firm, including the LA Business Journal, Orange County Business Journal, Kansas City Business Journal, and Building Design + Construction. The firm has a long list of awards including the 2021 Diamond STEP Award Excellence in Safety from ABC of Georgia. 

In Westminster, the firm is responsible for constructing the Westminster PD Parking Structure. This project features a four-level parking structure. The firm has constructed a single elevator for the facility to accommodate future photovoltaic panels at the roof level. This impressive facility adjoins the new Police Department building, also constructed by McCarthy.

Established in 1864, this contractor has been a major player in building America. Its solid reputation is built on constructing essential projects that communities rely on. Thanks to its mastery in commercial construction, the firm also provides services for the aviation, education, and industrial sectors.


R.D. Olson Construction

400 Spectrum Center Drive, Suite 1200, Irvine, CA 92618

R.D. Olson Construction is an expert in hotel and hospitality construction. Its focus is on creating profitable real estate solutions and building unique destinations for each project. The firm’s diverse portfolio includes its Four Seasons Hotel Los Angeles renovation project. This high-profile project requires an expert contractor to preserve the hotel’s history. Located in Beverly Hills, this hotel underwent a two-year transformation while staying open. The firm has delivered. Through its decades of mastery, the firm has created a roof spa deck, an updated lounge, and a cafe and restaurant for the five-star hotel. 

Established in 1979, R.D. Olson continues as a leading hotel developer for over four decades. It’s also an expert in constructing high-density residential, mixed-use, and retail properties. Over the years, the firm has established an exceptional reputation in the industry. Several publications have featured the firm’s work, including the Orange County Business Journal, the Los Angeles Times, and The Mann Report. The firm establishes its professionalism through several accreditations. It is certified by the Building Industry Association of Southern California and the Institute of Certified Construction Industry Financial Professionals. The firm’s work has been validated by multiple awards, including the 2021 Silver Award from the LA Business Journal Commercial Real Estate (CRE) Awards.