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Alex Castanza
Loan Officer
NMLS# 1999335Let’s find the right home loan for you
We have loan options to fit every situation, from down payment assistance programs for first-time homebuyers to government-sponsored programs for military families and rural residents or jumbo loans in high-cost markets.
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Testimonials
Testimonials
The rating and reviews below represent my top
reviews.
Read all customer reviews here.
4.9 out of 5.0 stars




KRISTEN
Dec 16, 2024
Montgomery, AL

Verified
Alex is always wonderful to work with every.single.time. I know my clients are in good hands and he looks out for their interest. I always appreciate updates and the communication we have regarding the client and where we are on the file. Secondly, I appreciate him attending the closing. To me it shows our client just how much they are appreciated plus just in case anything needs correcting or if questions arise. I feel it makes us more of a team concept and we always put the client's needs above everything else. Great job Alex! Here's to many more in 2025!
Jon M
Dec 20, 2024

Verified
Working with Alex Castanza at Guild Mortgage was an absolutely phenomenal experience! My family and I were purchasing a home in Montgomery, AL while living overseas, which could have been a logistical nightmare. However, Alex made the process feel effortless. He was patient, kind, and always available to guide us through every step, answering even the smallest questions with genuine care. His passion for helping clients achieve their homeownership dreams truly shines through in all he does. If you’re looking for a mortgage expert who combines exceptional knowledge, communication, and understanding, look no further than Alex. We cannot recommend him highly enough!
Ryan
Dec 16, 2024
Pike Road, AL

Verified
I have referred numerous clients to Alex with Guild Mortgage over many years. On this transaction--and all the others--he communicates well, closes on time, and gets the job done. From answering calls and getting buyers pre-qualified on nights and weekends to working with clients a few months to get credit issues resolved, he never stops. He can also close loans quickly. This transaction (with Thanksgiving) closed in 3 weeks!! Highly recommend.
Justin B
Mar 26, 2025

Verified
I had an amazing experience working with Alex as my buyer client's chosen mortgage broker! His communication was top-notch—he kept both me and my client informed every step of the way and was always quick to respond to any questions. On top of that, he was incredibly pleasant to work with, making the entire process smooth and stress-free. I highly recommend Alex to anyone looking for a knowledgeable and reliable mortgage broker!
Justin
Mar 17, 2025
Montgomery, AL

Verified
Alex's communication was top-notch—he kept me informed every step of the way and was always quick to respond to any questions I had. He was incredibly pleasant to work with, making the entire process smooth and stress-free for both my client and myself. I highly recommend Alex to anyone looking for a knowledgeable and reliable mortgage broker!
Deborah
Mar 17, 2025
Banks, AL

Verified
Called Alex regarding a contract where the buyer was having problems with the lender. Shared his contact with the buyer, he was approved with Guild and we closed on the property. Shared his contact with another agent this morning. We have another contract where we are having problems with financing. Thank you!
NMLS ID #1999335
I am authorized to do business in the state of Alabama.
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