Casey Sullivan
About
The Sullivan Group at CrossCountry Mortgage helps homebuyers and Realtors across the San Francisco Bay Area and nationwide with verified pre-approvals, clear communication, and fast closings. Based in Walnut Creek, California, our team provides a personalized, transparent experience backed by national lending strength and local expertise. With over $739 million in career fundings, Branch Manager Casey Sullivan leads a team focused on helping clients make confident decisions—whether buying their first home, upgrading, or accessing equity. NMLS#237837 | Branch NMLS#2211947 | CrossCountry Mortgage, LLC NMLS#3029 • Equal Housing Lender
Primary Markets
- Alameda, CA
- Alamo, CA
- Berkeley, CA
- Canyon, CA
- Concord, CA
- Danville, CA
- Diablo, CA
- Fresno, CA
- Lafayette, CA
- Martinez, CA
- Moraga, CA
- Oakland, CA
- Orinda, CA
- Pleasant Hill, CA
- Sacramento, CA
Loan Specialties
Interest-Only
VA
Jumbo
Renovation Loans
Construction-to-Permanent
Photo Gallery
Reviews
Kwelge9
Aug 2, 2025
Casey and his team were great to work with throughout the entire process. They were responsive, helpful, and eager to help my wife and I finance our first home. I would recommend them to anybody looking at buying a home. Thank you Casey and Team!
Nina
Aug 2, 2025
My fiance and I had an amazing experience working with Casey and his team to purchase our first home in April of 2022. Casey and his team did a phenomenal job at keeping us well informed and educated throughout the entire home-buying process. They were responsive, proactive, detail-oriented and insanely organized in the way they communicated, assigned tasks and stored important documents. Casey and his team helped us close on our home quickly with minimal hiccups or stress on our part. I highly recommend Casey and his team and look forward to using them for our future refinance needs!
Evansjami
Aug 2, 2025
I recently worked with Casey and his team to purchase my first home. As a first time home buyer I wasn't familiar with the process and Casey was super great at about explaining it and answered all my questions. Casey was up front, direct and didn't sugar coat anything. When he did my pre-approval, he made sure to ask about everything he needed so he could provide me with the best per-approval. And best of all, once the offer was accepted on my house, he was able to close in 21 days!! I recommend Casey 110%!!!!
User1106579
Aug 2, 2025
I am so grateful to Casey Sullivan and his terrific team. Mine was not a regular situation but Casey was able to creatively help me get a terrific re-finance that will save me thousands of dollars every year. I couldn't be more pleased and more grateful to Casey, Melissa and Alyssa. They made the process painless and efficient and made it happen! I couldn't recommend them more highly! Thanks team!!
Scott
Aug 2, 2025
Casey, Nicole, Karina & team were a pleasure to work with. They were incredibly responsive, no matter the question or hour, and took it upon themselves to make sure that I was clear on what was going on throughout the process. If you are looking for a partner thru the loan process that can dial up the service based on what you're looking - look no further.