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About Us

Navigating the home loan process can be complicated.  Mortgage rates change daily and a lot of the information available to consumers can be either deceptive or flat out incorrect.  We are mortgage advisors 100% committed to providing you with transparency, education, and the absolute best service you can find in this industry. 

When you work with Castle Funding, you will walk away informed of your options, confident in your decisions, and excited about your future. We look forward to offering you the most competitive rates and customized personal attention–it’s what you and your family deserve!

Helping Families Build Wealth Through Their Mortgage Strategy for 35 Years

Meet the Team

Bob Neilson, Broker/Owner of Castle Funding Corp. in Ventura

Bob Neilson



NMLS #289544

CA DRE #00945013

(818) 874-9999

Bob has been passionately advising clients on their home financing strategies since the early 80's. A lot has changed since then, but not the fact that a mortgage is not a one-size-fits-all product, nor should your long term wealth strategy be a cookie-cutter plan. After years as a loan originator working for various banks, Bob became a broker so he could better serve his clients with more options and authentic guidance. He founded Castle Funding in 1989, which has since served 1000+ families all over California. As an LA native, UC Santa Barbara alumni, and longtime Ventura County resident, Bob has deep roots in Southern California. When he isn't working, you can find him mountain biking, surfing the Ventura coast, and attempting to catch fish with his grandsons.

Alyssa Head shot.jpg

Alyssa Soles

Vice President,

Loan Originator

NMLS #2392292

CA DRE #02200456


Alyssa found her way to real estate after a decade-long career as a teacher. Her background and skillset as an educator are an asset to her clients, who appreciate how she works to make the mortgage process approachable and relational. She is constantly looking for new ways to simplify and elevate the client experience. Alyssa excells at finding creative ways to help homebuyers navigate affordability issues and adapt to this shifting market. She believes each client is equally important no matter their budget, credit history, or obstacles to financing a home.  Alyssa lives with her husband and two young boys in Ventura.

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Paul Headshot.jpg

Paul Cawthorne

Loan Originator

NMLS #249035

CA DRE #02207812


Paul Cawthorne joined the mortgage industry in 2003 and has helped thousands of clients through the homebuying process. He has experience with conventional Fannie Mae, FHA, VA, jumbo, renovation, and reverse mortgages. Working with first time homebuyers is one of Paul’s strong points, helping borrowers to understand their options, and the mortgage process so they can make educated, empowered decisions. Paul is from Los Angeles and is familiar with the markets from Temecula to Ventura. He prides himself on attention to detail, effective communication, and getting the loan done! Keeping the borrowers and realtors informed of the status of the loan at each step in the process is key to a satisfactory mortgage experience. Paul’s approach includes an initial mortgage consultation that helps the borrower focus on their goals, shows them how much they can borrow, what the monthly housing cost numbers look like, and outlines the steps taken to complete the pre-approval process.



"I'm not sure I would have been comfortable with anyone else handling our needs. If you're looking for the right folks to help you, Castle Funding is the right place."

Tim, Yelp Review

What You Get With Castle Funding

Personalized Service

Your experience is everything to us. Our business has thrived over the past 35 years due to repeat clients and referrals from happy clients, which is why customer service is at the heart of everything that we do.  We know mortgages are not one-size-fits-all; we take the time to listen and understand your goals, and develop a mortgage plan tailor-made to you .

Quick Answers

We're available for you and ready to answer all of your questions, so you make well-informed financial decisions. Our fully online process helps you enjoy a simple, time-saving buying or refinancing experience. We keep all parties updated proactively throughout the home loan or refinancing process, so you will never have to wonder about the status of your loan.

Experience & Strategy

Want to raise the amount you qualify for? Save thousands more by increasing your credit score? We offer solutions and problem-solving you just don't get with banks or online lenders. We have the industry experience and the track record to take care of you and find ways to help you reach your goals. We greatly value our clients' trust in us.


Traditional banks and retail lenders are limited to offering only their products. As mortgage brokers, we are proud to offer you more options than a bank would. With a single credit-pull we are able to shop several lenders on your behalf and shop around for your best interests. Additionally as a small business, we have less overhead than larger mortgage companies and are able to pass on this savings through lower rates.

Know exactly what to expect from your home loan.

Get a free loan quote and leave the guesswork behind.

It all starts with a conversation.  No commitment.    No hidden costs. 

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