Top 100 Architecture Firms in Orange County
The Best of December 2025Looking for a top architect in Orange County?
The architectural design process involves five main steps. First, pre-design refers to the ideation and planning phase. It involves working with you (the client) to understand needs and budget. Second, schematic design involves visually presenting multiple options to hone in on the right design and construction plans. Third, is design development, which includes creating a physical or computer model of the agreed on design and construction plan. Fourth, is construction development, which involves selecting the materials needed to fulfill the design, such as flooring, cabinetry, countertop materials, and more. The final stage is construction development.
An architectural designer will guide you through each step in the design and construction process. You'll benefit from the architect's connections to contractors and knowledge of the permitting process in your area.
To assist you in your search for a partner, we’ve compiled this list of the top architecture firms in Orange County. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Orange County Architecture Companies
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61Undisclosed50 - 249 employeesSanta Ana, CALaunched in 1980, WHA | William Hezmalhalch Architects is an Architectural Design company. The company offers Architectural Design and Branding, and is midsize.Read More
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62Undisclosed2 - 9 employeesLong Beach, CAGulian Design Architects is a small Architectural Design and Interior Design company headquartered in Long Beach, California. The team provides Architectural Design and Interior Design.Read More
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63Undisclosed2 - 9 employeesIrvine, CARost Architects is an Irvine, California-based Architectural Design and Interior Design company. Founded in 2017, the team specializes in Architectural Design and Interior Design.Read More
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64Undisclosed2 - 9 employeesCosta Mesa, CAErin Morris Architect, Inc. Is an Architectural Design company founded in 2011. Based in Costa Mesa, California, the team offers Architectural Design and Interior Design.Read More
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65Undisclosed2 - 9 employeesFountain Valley, CAALA Design Group, Inc. Is an Architectural Design company. They are in Fountain Valley, California and have small team. Their services include Architectural Design and Graphic Design.Read More
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66Undisclosed2 - 9 employeesNewport Beach, CADouglas Franz Architects, Inc. Is a small Architectural Design and Interior Design company established in 2003. Their services include Architectural Design and Interior Design.Read More
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67Undisclosed2 - 9 employeesSanta Ana, CAMENARCH, an Architectural Design and Interior Design company, was launched in 2004. The team focuses on Architectural Design and Interior Design.Read More
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68Undisclosed2 - 9 employeesIrvine, CADesignwork studios is a small Architectural Design and Interior Design company in Irvine, California. The team focuses on Architectural Design and Interior Design.Read More
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69Undisclosed2 - 9 employeesCosta Mesa, CASwain Architects, Inc., an Architectural Design and Interior Design company, is in Costa Mesa, California. Their services include Architectural Design and Interior Design.Read More
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70Undisclosed2 - 9 employeesIrvine, CASDA Partnership USA, Inc. Is an Architectural Design company. The Irvine, California-based company was founded in 1994. Their team focuses on Architectural Design and Branding.Read More
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71Undisclosed2 - 9 employeesIrvine, CATWINSTEPS, an Architectural Design and Interior Design company, was founded in 2010. They provides Architectural Design and Interior Design.Read More
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72Undisclosed2 - 9 employeesSanta Ana, CAVANROOY design is an Architectural Design and Interior Design company. Their small team is headquartered in Santa Ana, California. Their services include Architectural Design and Interior Design.Read More
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73Undisclosed2 - 9 employeesIrvine, CAHeadquartered in Irvine, California, Steven Langford Architects, Inc. Is an Architectural Design and Interior Design company. They focus on Architectural Design and Interior Design.Read More
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74Undisclosed2 - 9 employeesIrvine, CATD Architects, Inc. Is an Architectural Design and Interior Design company. Their small team is headquartered in Irvine, California. Their services include Architectural Design and Interior Design.Read More
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75Undisclosed2 - 9 employeesCosta Mesa, CABundy-Finkel Architects is an Architectural Design and Interior Design company based in Costa Mesa, California. They specialize in Architectural Design and Interior Design.Read More
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76Undisclosed2 - 9 employeesYorba Linda, CAFounded in 2009, Tanaka + Riley Architects is an Architectural Design and Interior Design company. The team offers Architectural Design and Interior Design.Read More
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77Undisclosed2 - 9 employeesIrvine, CAJAG Architecture & Design Studios is an Architectural Design and Interior Design company. The team is based in Irvine, California, and their services include Architectural Design and Interior Design.Read More
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78Undisclosed2 - 9 employeesCosta Mesa, CAHeadquartered in Costa Mesa, California, Grace Blu Interior Design is a small Architectural Design and Interior Design company. The team offers Architectural Design and Interior Design.Read More
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79Undisclosed2 - 9 employeesCosta Mesa, CAFounded in 2000, Lee Cross, Inc. Is a small Architectural Design and Interior Design company located in Costa Mesa, California. Their team offers Architectural Design and Interior Design.Read More
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80Undisclosed2 - 9 employeesCosta Mesa, CAArchitectural Design and Interior Design company Christopher James Interiors is located in Costa Mesa, California. Established in 1994, the team offers Architectural Design and Interior Design.Read More
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81$5,000+50 - 249 employeesLaguna Beach, CALaunched in 1999, PicsMatic, a midsize Architectural Design company, is in Laguna Beach, California. Their team provides Architectural Design and Product Design.Read More
Industries
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82Undisclosed2 - 9 employeesLong Beach, CAConsciousBuild Inc. Is an Interior Design company. Launched in 2006, the firm offers Interior Design and Architectural Design.Read More
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83Undisclosed2 - 9 employeesCity of Industry, CABased in City of Industry, California and El Monte, California, JIS Brothers Design is an Interior Design company. The team focuses on Interior Design and Architectural Design.Read More
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84Undisclosed2 - 9 employeesLong Beach, CACoulter-Milner & Co is an Interior Design company headquartered in Long Beach, California. Their services include Interior Design and Architectural Design.Read More
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85Undisclosed10 - 49 employeesOrange, CACommercial Development company Rexco Development was launched in 1985. The firm provides Commercial Development and Architectural Design.Read More
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86Undisclosed50 - 249 employeesLong Beach, CARetail Design Collaborative is an Architectural Design company. Their team is headquartered in Long Beach, California and specializes in Architectural Design.Read More
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87Undisclosed50 - 249 employeesLos Angeles, CABergmeyer is a midsize Boston, Massachusetts-based branding firm. The team provides Branding and Architectural Design.Read More
Industries
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88Undisclosed2 - 9 employeesSanta Ana, CACG Signage is an Advertising company founded in 2006. Based in Santa Ana, California, the team offers Advertising and Architectural Design.Read More
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89Undisclosed2 - 9 employeesIrvine, CATMC Group is a Commercial Development company. Established in 1985, the firm is in Irvine, California. Their services include Commercial Development and Architectural Design.Read More
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90Undisclosed2 - 9 employeesNewport Beach, CAFounded in 2009, Sailhouse is a Commercial Development company. The team specializes in Commercial Development and Architectural Design.Read More
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