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The Mortgage Partner Realtors Trust

When your offer needs to win, experience matters. We help buyers get fully prepared before they write an offer and stay on track through closing.

✓ Fast pre-approvals
✓ Clear communication
✓ Reliable closings
✓ 20+ years of lending experience

Helping buyers and Realtors succeed throughout San Diego and California.

What Our Partners Say

"I am a real estate agent and have been referring my clients to David Sider and Insider Mortgage for the past 20 years. Creativity and professionalism is critical in this business and all my clients have been enthusiastic about using them. Team Insider spends lots of time with my clients educating and helping them fully understand the loan process and financial landscape. A great and trusted resource for sure. When my family and I needed mortgage loans, they gave us five star service!"

- Jonathan Asch

We Solve Complex Mortgage Scenarios

Many of our clients are self-employed, own businesses, have significant tax write-offs, or require specialty loan programs. We work hard to find solutions when traditional lenders say no.

We Communicate Proactively

Referrers and borrowers receive clear updates throughout the loan process. No wondering what happens next. No disappearing loan officers.

We Educate, Not Pressure

A mortgage is one of the largest financial decisions most people will ever make. We take the time to explain options, answer questions, and help borrowers make informed decisions.

We Protect Your Relationship

Whether the referral comes from a Realtor, financial advisor, CPA, attorney, or past client, we understand that every referral reflects on you. Our goal is to make you look good.

We Focus on Long-Term Relationships

Many of our clients return for future purchases, refinances, and investment properties. We believe relationships matter more than transactions.

A Reputation Built on Results

Our business has been built largely through referrals and repeat clients. We are grateful for the trust our clients and referral partners place in us and work every day to earn it.

Submit a complex scenario for review

Have a client with a tricky income situation or unique property? Send us the details and we'll tell you how we can get it funded.

"Working with David at Insider Mortgage has been incredible. I was first introduced to him through his son, a connection in the industry, and almost immediately, he referred clients who successfully purchased homes in Carlsbad, California. Out of the hundreds of transactions I’ve done with other lenders, very few have impressed me the way David has. His attention to detail, the genuine care he has for clients, and how hard he works come through not just on the business side but on the personal side too. With David, it is never just a transaction. He builds lifetime relationships and truly invests in the people he helps. He cares so much for everyone he comes into contact with, taking a real interest in their lives. While many in this industry focus on the deal that nets them the highest commission, David does the exact opposite. He always prioritizes what is best for his clients, even if it means forgoing the biggest payday. That kind of dedication is rare in real estate lending. He’s personable and makes every conversation easy and engaging. I’m confident recommending him to all of my clients and bringing him into the inner circle of our team. If I were looking to purchase or refinance a home, David at Insider Mortgage wouldn’t just be at the top of my list - he would be the only mortgage broker I’d call."

- Spencer Smock