Miami Architects and Designers

We can help you navigate the rough waters of any design project from start to finish. If you have never built anything, we can explain the process to you so that you will be at ease during the entire time and end up with a project that you will love and enjoy for many years to come.

United Architects, Inc.

About Us

We turn like to say that we turn raw ideas into plans for comfortable, livable, inspired buildings and residences for discerning clients. We create more than a house, we create a lifestyle!

Our residential work has been featured on HGTV.

Maria Luisa Castellanos, R.A., LEED AP, the principal of the firm, holds a Master of Architecture from the Georgia Institute of Technology (Georgia Tech). United Architects was founded in 1986.

We provide architectural services for commercial, residential, and institutional projects. You can see many of our projects at our website, We have many articles relative to architecture and construction at


Edward A. Escobar / PanAmerican Realty
Relationship: Client
Project Date: Aug 2015

Ms. Castellanos and her team were great from start to finish. She took the time to design the very best interior plan for my family. The plan incorporated some changes which turned out just beautiful... Read More

Gemini Chen
Relationship: Client
Project Date: Oct 2014

I had a house with very bad house conditions which people normally recommend to rebuild. By the time, I also had a budget short since the construction cost in Miami is high compared to other area. I t... Read More

Relationship: Client
Project Date: Apr 2012

Maria Luisa Castellanos, R.A., of United Architects, Inc., helped me with the remodeling of the condominium I bought in Miami Beach. I wanted to change the layout of the unit and she helped me to desi... Read More

Patricia Donlevy-Rosen
Relationship: Client
Project Date: Mar 1999

We hired the firm of United Architects, and its principal, Maria Luisa Castellanos, R.A., to design a new front facade to our Coral Gables house, modernizing its 1950's look, and enlarging the master ... Read More

Relationship: Client
Project Date: Mar 2013

I have used this firm twice and both times had a very positive experience. The latest was a proposal to expand our home by reconfiguring the first floor and adding a second story. Maria Luisa listen... Read More

Relationship: Client
Project Date: Aug 2013

I worked Maria Luisa from United Architects, Inc, to remodeled my new medical office. I shared with Maria Luisa my special needs for my new office and she design the floor plans for my specific needs... Read More

Relationship: Client
Project Date: Jan 2000

Maria Luisa remodeled our house in Coral Gables; she turned it from a square, plain, and boring house into an exciting, well designed, and functional home. Maria Luisa is not only creative, she also h... Read More

Relationship: Client
Project Date: Jan 2013

United Architects exceeded my expectations in every way. The details, creativity and design excellence put into a complete remodel of my home was beyond what any other firm could have supplied. The re... Read More

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