Meet Our Team
At Serve First Realty, we put your needs first. Our dedicated team covers all of California, crafting personalized real estate solutions tailored to your unique goals and circumstances.
Guillermo Serafin
Broker / Owner
"Building Solutions For Problems Others Cannot Solve"
As Broker and Owner of Serve First Realty, Guillermo brings 21 years of experience and multi-licensed expertise in real estate, mortgage lending, and insurance. Serving both Northern and Southern California, he specializes in creative solutions and building lasting client relationships.
Marcus Foster
Senior Agent
"You Dream it, I make it happen!"
With 15+ years of experience and $20M in sales, Marcus is a creative financing expert who turns real estate dreams into reality. A dedicated father and entrepreneur, he brings hard work and innovative strategies to every transaction.
Matt Marquez
Agent
"Your Home, My Priority"
Matt simplifies the buying and selling process with 14 years of expert guidance across Placer, Sacramento, Yolo, and El Dorado counties. His client-first approach ensures unwavering support from start to close.
La Tasha Laster-Mullins
Agent
"Helping Divorcing Homeowners Protect Equity"
A certified Real Estate Collaboration Specialist – Divorce (RCS-D), La Tasha helps homeowners protect their equity during major life transitions. With a paralegal background and 9 years in real estate, she brings legal insight and compassionate guidance to every client.
Julio Llamas
Agent
"Your Journey. Your Home. Your Legacy."
Julio is a faith-driven agent serving Northern California's first-time buyers, veterans, and investors in both English and Spanish. He believes homeownership builds family legacies and treats every client like family.
Gwendolyn McCarty
Agent
"Opening doors to new beginnings"
Coming from biotech management, Gwendolyn discovered her true calling in helping people navigate personal real estate journeys. She's passionate about understanding your goals and guiding you toward your next chapter.
Miska Pearson
Agent
"Guiding you home with clarity and care."
A local educator and real estate professional, Miska specializes in helping families, educators, and relocations in the Elk Grove and Sacramento area. Her calm, organized approach ensures every move feels structured and supported.
Mindy Compton Sideris
Technology Operations
"If You Can Dream It, I Can Build It!"
Mindy powers the technology behind Serve First Realty, building beautiful websites, smooth automations, and magazine-quality marketing materials. She turns dreams into digital reality for the team and clients alike.
Ready to Explore Your Options?
Schedule Your Free, No-Obligation Consultation
Every real estate journey is unique. Whether you're buying your first home, selling a property, or exploring investment opportunities, our expert team is here to help you understand your options and chart the best path forward.
- Discover Your Options: Learn about different strategies and approaches tailored to your specific situation
- Clear Next Steps: Get a personalized roadmap with actionable steps to achieve your real estate goals
- Market Insights: Access current market data and trends specific to your area of interest
- No Pressure: Get expert advice with absolutely no obligation to move forward
Book Your Free Consultation
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