Guarantee Mortgage - San Francisco, 505 Montgomery

We have helped Bay Area families finance their home purchase, with over $2 billion in loans annually, and we can help you.

Offering a wide range of products and services, Guarantee Mortgage is well prepared to meet every real estate lending need.

We have 22 years under our belt providing world-class client service. Our top priority is to make sure you are presented with all available loan options, so that you can make an informed decision, that’s right for your financial situation.

http://www.guaranteemortgage.com

Guarantee Mortgage NMLS #1850 and CAL-BRE License #01215943

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Recommendations (1317)

Jun 11, 2021

Marla Reckart recommends Aisling Ferguson

Aisling was awesome! Super responsive and a pleasure to work with!
Jun 10, 2021

Beth Bartl recommends Aisling Ferguson

The experience working with Aisling was terrific. The communication was clear. I understood, exactly where we were in the re-fi process and what I needed to do.
The system worked well for sharing and signing documents. If you choose tow work with Aisling, I believe you will be satisfied.
Jun 9, 2021

Mazzy E. Akaba recommends James W. Argo

Excellent job, every time. Thank you, Jim!
Jun 1, 2021

Sandra Nakama recommends Orlando Diaz

Agent

Orlando is such a wonderful mortgage lender. He helped my first-time home buyers get their loan, then made sure they had all the financial information in place when offers were made and once they were in in contract. He is on top of everything, is very responsive and gets the job the done. I’m looking forward to working with him again in the future.
May 29, 2021

Alex Ng recommends Pov Oum

Manufacturing Associate III

She was very approachable and responsive. She was able to answer all of our questions.
May 28, 2021

David DeSouza recommends Aisling Ferguson

Aisling was on top of things all through the process and helped us get a great refinance rate !
May 26, 2021

Rochelle Gatt recommends Ken Dean

Ken did an excellent job with our recent refi. Great customer service, timely responses and easy to work with. Highly recommend.
May 20, 2021

David Neumark recommends Ken Dean

Ken guided us through our mortgage application process for a vacation home. He is the best. Thorough, and kept us informed every step of the way. Personalized, outstanding service.
May 19, 2021

Eugene brolly recommends Ken Dean

It’s always a pleasure working with Ken . Really great at his job and makes life really easy and painless his clients .
I would highly recommend Ken !
May 18, 2021

Lawrence Helman recommends Larry Horowitz

Home owner

I have worked with Larry Horowitz professionally as a mortgage timer over 5 times. Each time Larry made the experience flawless and first rate. He knows his stuff snd is there all thru the process to answer questions and make it happen. HE IS THE BEST!
May 7, 2021

Ethan bold recommends James W. Argo

Jim spent plenty of time walking us through all of our options, and made the right recommendations to get us into the loan and rate that made sense.
May 7, 2021

Justine Kaemerle recommends Pov Oum

Account Executive

Not only did Pov help me secure a mortgage, but she worked so hard to get my home refinanced to an amazing rate. I couldn’t recommend Pov enough!
May 4, 2021

Mark C. recommends James W. Argo

James Argo demonstrated an in depth and thorough understanding of the mortgage re-finance process. He was supportive and very courteous.
May 4, 2021

Audrey C. recommends James W. Argo

Jim was a great partner when dealing with our mortgage. Everything went smoothly and we closed quickly!
May 4, 2021

Sean M. recommends Larry Horowitz

Nobody better in the business than Larry Horowitz. Thoroughly knowledgeable, professional, and an extremely nice guy.
May 1, 2021

Heather Deane recommends Aisling Ferguson

Excellent experience from first inquiry through closing. Aisling is knowledgeable, detail-oriented, and highly responsive. We've worked with her twice and wouldn't hesitate to do so again in the future!
Apr 27, 2021

Anonymous recommends Aisling Ferguson

Extremely efficient. Have worked with Aisling twice, she is outstanding.
Apr 27, 2021

Regan Martin recommends Orlando Diaz

Orlando was calm, fast, clear, and complete all the way. His creativity in arranging financing we never could find on our own really saved the day. Never once did we have any setbacks or documents issues on his part.
Apr 24, 2021

David Jeffrey recommends Aisling Ferguson

Highly professional, responded to all our questions promptly and knowledgably, friendly, patient, and super efficient. What more could you want in someone who guides you through this often complicated process? Highly recommended!
Apr 23, 2021

JuliaLaub recommends Ken Dean

He shared his vast knowledge with us in a friendly and enjoyable manner. He gave us good financial advice that we could use to our benefit. He accepted the fact that being in our 80s we were not very active with the Internet and was always making it easier for us to manage the paper exchange. We also appreciated his good sense of humor.
Apr 23, 2021

Peter Freese recommends Kathy Derangi

Kathy was so helpful throughout the process - getting me pre-approved, explaining my options, contacting the seller to confirm my pre-approval, and finalizing the mortgage. She was very responsive to all of my questions and made it as stress-free of a process as possible! Highly recommend!
Apr 22, 2021

Mara Meisner recommends Ken Dean

Ken has helped me find the best rates for my financing and refinancing over the past 10 years. He is easy to work with, has great relationships with the lenders and is on top of the deadlines that both the lender, appraiser, underwriter and client need to meet to stay on target.

Thank you Ken, Mara Meisner
Apr 22, 2021

Richard recommends Orlando Diaz

Psychologist

Orlando always followed through, and he was always courteous, businesslike, competent and friendly.

I recommend him without qualification!
Apr 20, 2021

Annmaria M. recommends James W. Argo

Senior Scientist

I would enthusiastically recommend James and his team when embarking in the process of requesting a loan. He was always very clear and informative throughout our interactions. He was very prompt in answering all my inquiries, and walked me through the process of obtaining financing with thoroughness and punctuality. As a first time home buyer, that was very helpful for me, and I was very impressed by his knowledge, his professionality and his kindness.
Apr 13, 2021

John D. recommends Orlando Diaz

My wife and I met Orlando through a mutual friend. Orlando stated that once the process started, he would be able to close and fund the loan within 30 days. We started the refinance process the second week of March and closed the second week of April. Truly Impressive. Using the secure portal, we were able to load the loan documents quickly to Orlando. Along the way, he answered all of our questions and smoothed out any potential issues. Orlando provided us with the highest level of customer service and communicated with us throughout each step of the loan process. We are truly impressed with Orlando's character as a mortgage broker and even more impressed with Orlando as a person. For anyone who is purchasing or refinancing a home, please do not hesitate to use Orlando for your mortgage loan. We recommended Orlando with the highest rating and would give 10 stars for his awesome service, constant communication and easy going nature.

Our Team

  • Aisling Ferguson

    NMLS #280915 Loan Consultant - San Francisco
    NMLS #280915 / 1850 - CA BRE #01225420 / 01215943

  • Orlando Diaz

    Sr. Loan Consultant - San Francisco - Montgomery St.
    NMLS #238849 / 1850 - CA BRE #01475255 / 01215943

  • Kathy Derangi

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #1151839 / 1850

  • James W. Argo

    Senior Loan Officer - San Francisco - Montgomery St.
    NMLS #257031 / 1850 - CA DRE #00869591 / 01215943

  • Larry Horowitz

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #239001 / 1850 - CA BRE #01003870 / 01215943

  • Ken Dean

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #237940 / 1850 - CA BRE #0902556 / 01215943

  • Natasha Lovas

    Senior Mortgage Advisor - San Francisco - Montgomery St.
    NMLS #239455 / 1850 - CA BRE #01161948 / 01215943

  • Robin Patronik

    Senior Loan Officer - San Francisco - Montgomery St.
    NMLS #241087 / 1850 - CA BRE #01347330 / 01215943

  • Pov Oum

    Loan Officer-San Francisco-Montgomery St.
    NMLS # 1226687 / 1850 - APMC CA BRE #01215943

  • Kevin Casey

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #238192 / 1850 - CA BRE #01178612 / 01215943

  • Joel Marks

    Loan Advisor (NMLS: #216888/1850)

  • Allan McAllister

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #280540 / 1850 - CA BRE #01372084 / 01215943

  • Cecelia Tyeskey

    Reverse Mortgage Specialist - San Francisco - Montgomery St
    NMLS #239861 / 1850 - CA BRE #01212004 / 01215943

  • Mireille Costandi

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #249322 / 1850 - CA BRE #01132350 / 01215943

  • Ming Leong

    Loan Consultant - San Francisco - Montgomery St.
    NMLS # 252471 / 1850 - CA BRE #01369831 / 01215943

  • KC Murphy

    Sr. Loan Consultant - San Francisco - Montgomery St.
    NMLS #255492 / 1850 - CA BRE #1007053 / 01215943

  • Fe David

    Loan Consultant - San Francisco - Montgomery St.
    NMLS # 482592 / 1850 - APMC CA BRE #01215943

  • Risa J. Meyer

    Mortgage Specialist - San Francisco - Montgomery St.
    NMLS #332214 / 1850 - CA BRE #01126851 / 01215943

  • Sheila Wood

    Manager/Loan Consultant - San Francisco - Montgomery St.
    NMLS #253742 / 1850 - CA BRE #00824166 / 01215943

  • Bob Siefert

    Senior Vice President - San Francisco - Montgomery St.
    NMLS #55105 / 1850 - CA BRE #00921214 / 01215943

  • Amy Lai

    Loan Consultant - San Francisco - Montgomery St.
    NMLS #341535 / 1850 - CA BRE #01795977 / 01215943

  • Mark Wiener

    Loan Officer - San Francisco - Montgomery St.
    NMLS # 246293 / 1850 - APMC CA BRE #01215943