What our client say.
TESTIMONIALS
We take pride in delivering exceptional design, clear communication, and outstanding results on every project.
Satisfied clients
countries
Projects completed
CUSTOM HOME
Diana S.
We take pride in delivering exceptional design, clear.
Charlotte, NC - New home
COMERCIAL PROJECT
Frank F.
Now We will be using Casna for all our work.
General contractor - commercial
ADDITION PROJECT
Kyle B.
Extremely responsive, professional, patient and meticulous
Charlotte, NC - Addition
COMERCIAL PROJECT
Vasiliy S.
5,700 SF Custom House Excellent experience working with CASNA Design on our 5,700 sf custom home. Professional, responsive, and detail-oriented, with strong experience in both residential and commercial projects.
Charlotte, NC - New home
CUSTOM HOME
Mike N.
Mario was very professional, straightforward, and easy to work with. The turnaround time was fast, and the task was completed without any issues. I?d gladly work with him again.
Charlotte, NC - New home
CUSTOM HOME
Yanexis R.
Excellent job
Charlotte, NC - New home
CUSTOM HOME
Liz K.
Mario is fantastic to work with. He truly cares about the project and works hard to troubleshoot any issues that come up to ensure all options have been exhausted before changing course. He is extremely responsive, professional, patient AND meticulous.
Charlotte, NC - New home
CUSTOM HOME
Murilo S.
The process went perfect. We were very happy with the rapid response and care for our project.
General contractor - commercial
CUSTOM HOME
Meaghan M.
Mario was by far the most detailed-oriented professional involved in my renovation. He excelled in communication with me, my general contractor (that he provided a list for me to interview / hire!). As a busy mom, I don’t have a lot of time to waste, so him making the process understandable, while catering to my needs / budget was exceptional.
Charlotte, NC - Addition
CUSTOM HOME
Andre F.
Working with CASNA Design has been an absolute pleasure from start to finish. Mario Castillo-Navia embodies everything you hope for in an architectural design firm: creativity, precision, professionalism, and a deep understanding of both form and function.
Charlotte, NC - New home
CUSTOM HOME
Vincent P.
Great. Very timely, professional, good communication and responsive.
Charlotte, NC - New home
ADDITION PROJECT
Laura P.
Mario is smart, talented and extremely easy to work with. Highly recommend him.
Charlotte, NC - New home
CUSTOM HOME
Jen W.
We worked with Mario to get our ideas and needs on paper, with some specifics that weren’t typical for this type of project. He worked with our builder to make sure everyone was in the same page so there weren’t any surprises later.
Charlotte, NC - New home
CUSTOM HOME
Allison H.
Mario was great to work with. Very prompt, professional, and quick to respond. We were very pleased with his suggestions and advice. He was very knowledgeable as well. We would definitely work with him again!
Charlotte, NC - New home
ADDITION PROJECT
Mat T.
Very responsive and professional, which was hard for me to find with my first few projects as a GC. Now we will be using Casna for all our work.
Charlotte, NC - New home
CUSTOM HOME
Amanda K.
Working with CASNA Design has been an absolute pleasure from start to finish. Mario Castillo-Navia embodies everything you hope for in an architectural design firm: creativity, precision, professionalism, and a deep understanding of both form and function. Only thing that I would suggest to improve is to have more forms of payment as they only accept wire transfer or bank account deposit. We did so zelle as that was a direct bank deposit. We are happy with the drawings and look forward to our project.
Charlotte, NC - New home
CUSTOM HOME
Ricardo A.
Needed architectural drawings for my project, and Mario with Casna Design helped me with my project. I explained what I needed and he delivered! Highly recommend them for small and big projects!
Charlotte, NC - New home
CUSTOM HOME
Ousmane B.
My name is Ousmane, investor and builder in Charlotte,NC. 2024 First year of my building career, i was looking for an architect designer for my first project, really looking for somebody not only who can provide me reliable, quality and fast service, but also who can provide me guidance. I found and hired Casna Design after multiple recommendations and excellent reviews. They exceeded my expectations, from beautifully designing my duplex to providing the necessary details and helping get the building permit.
Charlotte, NC - New home
CUSTOM HOME
Fernando C.
Great work and timely service. Woykd recommend to everyone
Charlotte, NC - New home
CUSTOM HOME
Diane G.
Helping me build my dream home! Great design and excellent customer service.
Charlotte, NC - New home
CUSTOM HOME
Murilo S.
Process was smooth and fast. Mario is really knowledgeable and a great guy to work with I would recommend his company and we will definitely hire them for next projects
Charlotte, NC - New home
CUSTOM HOME
Diane G.
Mario is fantastic to work with and provides an extremely professional and thorough design. We have worked with him on many projects and he consistently proves to us that he is the best at what he does.
Charlotte, NC - New home
CUSTOM HOME
Joseph A.
This is the first time I have worked with an architect, and it has been a very positive experience. Working with Mario has been the best experience. Throughout the project, Mario was available to answer questions and address any concerns . His communication skills were excellent, and he always kept me informed of progress. He always went above and beyond.
Charlotte, NC - New home
CUSTOM HOME
Elizabeth D.
Mario did a wonderful job bringing our vision to life. He was knowledgeable, prompt and had great communication. I would certainly work with him again.
Charlotte, NC - New home
CUSTOM HOME
Alan O.
Mario was great. Knows what he's doing and was able to change things quickly when we made changes. If your in need of plans, Casna Design has you covered.
Charlotte, NC - New home
CUSTOM HOME
Kristi Q.
Excellent!! We highly recommend Casna Design. They are very professional, responsive, and has everything to us in a timely manner. They listened to our needs and were able to delivery exactly what we asked for and then some. Great service!
Charlotte, NC - New home
CUSTOM HOME
Marcus M.
Casna Design offers an incredibly professional service. They are thorough, thoughtful and highly skilled. We would use them again for sure!
Charlotte, NC - New home
CUSTOM HOME
Carla R.
We had the pleasure of meeting with Mario Castillo Navia for an initial consultation for our future house. His knowledge, professionalism, and invaluable guidance impressed us from the start. Being bilingual was a bonus, ensuring smooth communication. Mario listened attentively, and offered innovative ideas. Throughout the conversation, he provided clear explanations. We highly recommend his services.
Charlotte, NC - New home
CUSTOM HOME
Sandra R.
Mario was excellent to work with . His communication and professionalism with everything was amazing . Any problem or question that we had was addressed right away. You can tell that he loves what he does and he is there to help and guide you . We couldn’t have asked for a better service .
Charlotte, NC - New home
CUSTOM HOME
Mercedes C.
I highly recommend this business. Casna Design has been amazing. Since day one, Mario has been very professional and responsive. When we first started looking for someone to assist us design our future home, we contacted many companies, and many of those companies never responded and if they responded their rates were astronomical. Mario responded to me within minutes not only with a text but a phone call.
Charlotte, NC - New home
CUSTOM HOME
Roman Y.
Everything was done well and in timely manner. Communication was clear and quick.
Charlotte, NC - New home
CUSTOM HOME
Kristien B.
professional, detailed and responsive
Charlotte, NC - New home
ADDITION PROJECT
Tim L.
Mario produced very detailed designs while being thoughtful about aesthetics and our inputs. Our contractor was very happy with the level of detail as well. Would recommend!
Charlotte, NC - New home
CUSTOM HOME
Jessica R.
I needed floor plan drawings in three days, and he worked on a Sunday to get the measurements for the house so he could have it for me in two days. He was professional and asked all the questions I would never have known to ask. A real pro!
Charlotte, NC - New home
CUSTOM HOME
Andy S.
I recently had the pleasure of working with Mario Castillo-Navia of CASNA Design on the design for a residential renovation project. This is the first time I have worked with an architect, and it has been a very positive experience. From the very beginning, Mario impressed me with his professionalism, attention to detail, and creative vision.
Charlotte, NC - New home
ADDITION PROJECT
Judy B.
If you are looking for talent coupled with honesty and integrity, this is the company for you. We had a design dilemma that could have been very costly. Casna Design was able to present timely options with cost savings in mind. Totally professional. Thank you for a job well done.
Charlotte, NC - New home
CUSTOM HOME
Eric L.
Mario was amazing, very detailed, time conscious and was very concerned that all needs for the success of this project was met. I would be sure to use CASNA for every project that i manage. Eric Lorde, PM
Charlotte, NC - New home
CUSTOM HOME
Michelle M.
CASNA was recommended by my contractor and I could not be more grateful for the recommendation. The plans were developed exactly as I had envisioned, the pricing was very fair, and the process could not have been easier. I highly recommend CASNA- it has been thus far the best and easiest part of my home renovation.
Charlotte, NC - New home
CUSTOM HOME
Olivia M.
Excellent work
Charlotte, NC - New home
CUSTOM HOME
Arun K.
Mario did a great job designing our home!
Charlotte, NC - New home
CUSTOM HOME
Rachel C.
Working with CASNA Design was the best of experiences. My husband and I had never worked with an architect before. Mario was patient, answered all of our questions, and was extremely knowledgeable. He kept our mind at ease throughout the entire process and had true excitement around making our project a success. We will definitely use CASNA Design services again!
Charlotte, NC - New home
CUSTOM HOME
Elvin B.
Execellent
Charlotte, NC - New home
CUSTOM HOME
Enmanuel H.
Mario and his firm CANSNA DESIGN are amazing. Mario is always available to answer questions and for advise. He understans your vision and makes recomendations base on his experience. I am very satisfied with his job and dedication. Highly recomended!
Charlotte, NC - New home
CUSTOM HOME
David D.
Everything was great
Charlotte, NC - New home
CUSTOM HOME
Edward K.
Mario from Casna Design was excellent from start to finish. He is knowledgeable and resourceful. He communicated well with me and met all agreements in a timely fashion. I am very satisfied with the work he provided and in fact, considering another project with him.
Charlotte, NC - New home
CUSTOM HOME
Tom D.
Mario was a true professional. He was prompt with our appointment, answered all of my questions, and provided a far quote to do the needed work. The result was an excellent set of plans stamped by a professional engineer that was suitable for getting needed permits and contractor quotes to do the work. I would definitely hire Mario again.
Charlotte, NC - New home
CUSTOM HOME
Aracely R.
Recomiendo 100% a Mario Castillo. El es una persona muy profesional. Respondió todas mis preguntas y contestó mis mensajes en todo momento además me aconsejo mucho para que mi proyecto resultará mejor de lo que yo esperaba. Estoy segura que volveré a contactarlo para futuros proyectos . -Aracely R.
Charlotte, NC - New home
CUSTOM HOME
Daniel R.
Awesome work and prompt responses to all of my questions. Would definitely hire Mario again.
Charlotte, NC - New home
CUSTOM HOME
Jack S.
We had a lot of ideas and a lot of questions about the front porch we wanted. Marion listened to all of them, and then guided us away from the bad ideas and towards the good ones. We were comfortable with this because he demonstrated to us that we can trust his judgement. He provided the first 3D rendering, we requested some changes, he quickly responded. We are very pleased with his work.
Charlotte, NC - New home
CUSTOM HOME
Ashley W.
We bought this house knowing we would want a good amount of work to be done, and we were very happy with the work Casna did. We found it very helpful to have someone skilled in building design to guide us through the process before going to our contractor with the plans. We’ve worked solely through a contractor previously but I felt like we received much more professional, trustworthy guidance through Casna.
Charlotte, NC - New home
CUSTOM HOME
Sina S.
Great! Very Professional and Knowledgeable
Charlotte, NC - New home
CUSTOM HOME
John P.
Mr. Castillo-Navia fulfilled all items in our wish list and designed a practical and beautiful home for our family! I hope this is our forever home but my wife and I would definitely look him up again if we need a different house when we eventually become empty nesters. He is professional and detail-oriented. CASNA Design even covered the structural engineering process. He answered immediately, is knowledgeable and passionate about his work, transparent in pricing, answered all of our questions and is very punctual.
Charlotte, NC - New home
COMERCIAL PROJECT
James F.
Very satisfied with this experience. Our scope was followed, regular updates were provided and work was performed on time and free from unforseen surprises. I would definitely recommend Casna Design to anyone that is looking for a creative, and easy to work with architect. We are very happy with how our home turned out.
Charlotte, NC - New home
CUSTOM HOME
Gregorio S.
The service Casna provides is outstanding!
Charlotte, NC - New home
CUSTOM HOME
Tim H.
Mario was very Professional and detailed in his work. He answered our questions quickly and was able to explain the construction process to us. He explained the pricing to us before we began and stuck to his word. He took the time to listen to what we wanted and made sure to incorporate that into his design. We are very pleased with the results. We had a great experience working with CASNA DESIGN. We had the best experience and we highly recommend him.
Charlotte, NC - New home
CUSTOM HOME
Sandra H.
He did awsome job
Charlotte, NC - New home
CUSTOM HOME
Anna C.
Truly wonderful experience! Mario is very professional and thorough. He walked us through every step and was always available to answer all the many questions I had. I felt he really listened and understood what we wanted, and went above and beyond to find the best solutions. Highly recommend!
Charlotte, NC - New home
CUSTOM HOME
Becky F.
CASNA Design provided us the blueprint not just for our house but our home--and how we enjoy our lives in it. My husband and I were elated with the architectural design plan and are thrilled with the outcome! Mr. Castillo Navia listened to us and brought our vision to life, presenting us an interior design book to solidify our wishes, and inspiring us further with his own artistic ideas. He provided us fully-completed architectural and sealed structural engineering sets of drawings.
Charlotte, NC - New home
CUSTOM HOME
Lina F.
The entire process was very smooth. The architect, Mario, was always responsive, detail-oriented, and easy to work with. His designs are beautiful but practical and we really felt like he listened to what we wanted. The price was very fair and we ended up paying exactly what was agreed to. We highly recommend Casna Design!
Charlotte, NC - New home
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Have a project in mind? let´s create something remarkable together
(813) 833-3787
Charlotte North Carolina
