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Completed Projects
Across California, Nevada, Texas, Tennessee, Arizona, New Mexico
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Trusted Partnerships
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Years of Experience
Combined expertise
5000+
Projects
Your Vision, Realized Through Collaborative Design
Transforming ambitious ideas into tangible structures
Since 1982, API has provided comprehensive architectural services from our home in Modesto, California, to clients nationwide. We partner with local businesses, national brands, and community leaders to translate ambitious ideas into tangible, lasting structures. Our portfolio encompasses a diverse range of industries, from commercial and retail developments to educational facilities and private residences.
At API, every project is a collaboration. We begin by listening, ensuring we understand your unique goals before the first line is ever drawn. This client-focused approach has earned us a reputation for being a trusted partner to clients, contractors, and communities alike.
A Partnership Rooted in Expertise and Accountability
Direct access to leadership throughout your project
Great architecture requires more than a blueprint. It demands a process built on clear communication and direct accountability. When you work with API, you have a direct line to one of our firm's principals throughout every stage of your project.
We combine a full array of architectural services with a commitment to creating spaces that not only serve their purpose, but also enhance the experiences of those who use them.
Diverse industry experience
We have deep expertise in an array of industries—commercial, retail, athletics, food service, education, residential, and more.
Principal led engagement
Senior leadership is actively involved in every project we undertake.
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Real partnerships with real results
Our clients trust us to transform their spaces into environments that inspire, function, and endure. Here's what they have to say about working with API Architecture.
Connect with UsMark Patterson
President, California Gold Development Corp.
@API has been an integral part of our company's success and growth. Their professionalism, creativity, and reliability make them a true partner in every sense of the word. For over 20 years, they have consistently delivered exceptional architectural design services for many of our retail developments.
Rick Cruz
VP of Construction & Capital Projects, In-Shape Fitness
Rod Alonzo and the @API team has been more than an architectural firm—they have become family. Over 20+ years of working together, @API has become an integral part of our Design & Construction operations, evolving as we do, and helping us raise the bar along the way.
Paul Rothbard
Former CEO, In-Shape Health Clubs
Working with @API over the years has been an absolute pleasure. Their passion for design, attention to detail, and genuine care for their clients shine through in every project. After 25 years of remarkable work, it's clear that @API doesn't just create buildings—they create lasting relationships and spaces that truly inspire.
Mark Patterson
President, California Gold Development Corp.
@API has been an integral part of our company's success and growth. Their professionalism, creativity, and reliability make them a true partner in every sense of the word. For over 20 years, they have consistently delivered exceptional architectural design services for many of our retail developments.
Rick Cruz
VP of Construction & Capital Projects, In-Shape Fitness
Rod Alonzo and the @API team has been more than an architectural firm—they have become family. Over 20+ years of working together, @API has become an integral part of our Design & Construction operations, evolving as we do, and helping us raise the bar along the way.
Paul Rothbard
Former CEO, In-Shape Health Clubs
Working with @API over the years has been an absolute pleasure. Their passion for design, attention to detail, and genuine care for their clients shine through in every project. After 25 years of remarkable work, it's clear that @API doesn't just create buildings—they create lasting relationships and spaces that truly inspire.
Mark Patterson
President, California Gold Development Corp.
@API has been an integral part of our company's success and growth. Their professionalism, creativity, and reliability make them a true partner in every sense of the word. For over 20 years, they have consistently delivered exceptional architectural design services for many of our retail developments.
Rick Cruz
VP of Construction & Capital Projects, In-Shape Fitness
Rod Alonzo and the @API team has been more than an architectural firm—they have become family. Over 20+ years of working together, @API has become an integral part of our Design & Construction operations, evolving as we do, and helping us raise the bar along the way.
Paul Rothbard
Former CEO, In-Shape Health Clubs
Working with @API over the years has been an absolute pleasure. Their passion for design, attention to detail, and genuine care for their clients shine through in every project. After 25 years of remarkable work, it's clear that @API doesn't just create buildings—they create lasting relationships and spaces that truly inspire.
Mark Patterson
President, California Gold Development Corp.
@API has been an integral part of our company's success and growth. Their professionalism, creativity, and reliability make them a true partner in every sense of the word. For over 20 years, they have consistently delivered exceptional architectural design services for many of our retail developments.
Rick Cruz
VP of Construction & Capital Projects, In-Shape Fitness
Rod Alonzo and the @API team has been more than an architectural firm—they have become family. Over 20+ years of working together, @API has become an integral part of our Design & Construction operations, evolving as we do, and helping us raise the bar along the way.
Paul Rothbard
Former CEO, In-Shape Health Clubs
Working with @API over the years has been an absolute pleasure. Their passion for design, attention to detail, and genuine care for their clients shine through in every project. After 25 years of remarkable work, it's clear that @API doesn't just create buildings—they create lasting relationships and spaces that truly inspire.
Brad Hall
TAIT & Associates
Working with @API has been an exceptional experience from start to finish. Their team combines creativity, technical expertise, and a deep understanding of project goals to deliver designs that are both beautiful and highly functional. What truly sets @API apart is their attention to detail and ability to navigate complex entitlement and permitting processes with ease.
Center for Human Services
Behavioral Health Facility
@API's architectural expertise made our new 7,200-square-foot behavioral health facility a reality. Their thoughtful design and collaborative approach created a welcoming, functional space that truly supports our mission.
Michael B.
Escalon, CA
I have worked with Joe Smith at @API on a couple of projects, and would not hesitate to use him again for anything I needed. They will not disappoint, and will take care of all the details you don't even know you need to worry about. No surprises with them.
Nathan B.
Modesto, CA
I just finished working with @API on a fairly significant project and it was a great experience all the way around. They are very detail oriented, and desire a finished product that reflects well on them while at the same time reflecting the client's vision.
Brad Hall
TAIT & Associates
Working with @API has been an exceptional experience from start to finish. Their team combines creativity, technical expertise, and a deep understanding of project goals to deliver designs that are both beautiful and highly functional. What truly sets @API apart is their attention to detail and ability to navigate complex entitlement and permitting processes with ease.
Center for Human Services
Behavioral Health Facility
@API's architectural expertise made our new 7,200-square-foot behavioral health facility a reality. Their thoughtful design and collaborative approach created a welcoming, functional space that truly supports our mission.
Michael B.
Escalon, CA
I have worked with Joe Smith at @API on a couple of projects, and would not hesitate to use him again for anything I needed. They will not disappoint, and will take care of all the details you don't even know you need to worry about. No surprises with them.
Nathan B.
Modesto, CA
I just finished working with @API on a fairly significant project and it was a great experience all the way around. They are very detail oriented, and desire a finished product that reflects well on them while at the same time reflecting the client's vision.
Brad Hall
TAIT & Associates
Working with @API has been an exceptional experience from start to finish. Their team combines creativity, technical expertise, and a deep understanding of project goals to deliver designs that are both beautiful and highly functional. What truly sets @API apart is their attention to detail and ability to navigate complex entitlement and permitting processes with ease.
Center for Human Services
Behavioral Health Facility
@API's architectural expertise made our new 7,200-square-foot behavioral health facility a reality. Their thoughtful design and collaborative approach created a welcoming, functional space that truly supports our mission.
Michael B.
Escalon, CA
I have worked with Joe Smith at @API on a couple of projects, and would not hesitate to use him again for anything I needed. They will not disappoint, and will take care of all the details you don't even know you need to worry about. No surprises with them.
Nathan B.
Modesto, CA
I just finished working with @API on a fairly significant project and it was a great experience all the way around. They are very detail oriented, and desire a finished product that reflects well on them while at the same time reflecting the client's vision.
Brad Hall
TAIT & Associates
Working with @API has been an exceptional experience from start to finish. Their team combines creativity, technical expertise, and a deep understanding of project goals to deliver designs that are both beautiful and highly functional. What truly sets @API apart is their attention to detail and ability to navigate complex entitlement and permitting processes with ease.
Center for Human Services
Behavioral Health Facility
@API's architectural expertise made our new 7,200-square-foot behavioral health facility a reality. Their thoughtful design and collaborative approach created a welcoming, functional space that truly supports our mission.
Michael B.
Escalon, CA
I have worked with Joe Smith at @API on a couple of projects, and would not hesitate to use him again for anything I needed. They will not disappoint, and will take care of all the details you don't even know you need to worry about. No surprises with them.
Nathan B.
Modesto, CA
I just finished working with @API on a fairly significant project and it was a great experience all the way around. They are very detail oriented, and desire a finished product that reflects well on them while at the same time reflecting the client's vision.
Experience Our Architecture
A bird's eye view of our latest projects