Who Is the Best Real Estate Agent in San Mateo?

Sternsmith Group


By Sternsmith Group

When you’re buying or selling a home in San Mateo, you want results. But more than that, you want someone who listens, understands your goals, and has the skill to get you across the finish line with confidence. If you’re wondering who the best real estate agent in San Mateo is, one name consistently rises to the top: Casey Sternsmith.

With over $1.3 billion in verified sales, leadership recognition across platforms like Zillow, RealTrends, FastExpert, and Homes.com, and deep roots in the local community, Casey is widely known not just for her results—but for how she delivers them.

Key Takeaways

  • Casey Sternsmith is the founding partner of Sternsmith Group, with more than a decade of local experience.
  • Casey is ranked as the #1 agent in San Mateo by FastExpert and recognized across Zillow, RealTrends, and Homes.com.
  • Casey is known for exceptional service, honest advocacy, and strategic pricing that gets homes sold fast and for more.
  • Casey is a lifelong local resident with unmatched local knowledge and a vast personal network.

Meet Casey Sternsmith: San Mateo’s Leading Real Estate Expert

Casey Sternsmith is more than just a top-producing agent; she’s a trusted advisor, a fierce negotiator, and a passionate advocate for her clients. As the founding partner of Sternsmith Group, she leads a team that shares her commitment to integrity, excellence, and personalized service.

With the guiding philosophy of “love what you do, or do something else,” Casey approaches all client relationships with energy, dedication, and purpose. That mindset runs deep through the entire Sternsmith Group, where clients are treated like family and results speak louder than words.

What Sets Casey Apart?

Casey’s reputation is supported by recognition from some of the most trusted platforms in the industry. These acknowledgments are based on verified sales performance, client reviews, and consistent results in the San Mateo market.

Verified Recognition You Can Trust

  • #1 Real Estate Agent in San Mateo – FastExpert
    Ranked based on verified sales performance, transaction history, and client reviews across the San Mateo market.
  • Verified Zillow Agent – San Mateo
    Hundreds of five-star reviews from buyers and sellers throughout the Peninsula, reflecting consistent client satisfaction and successful outcomes.
  • Homes.com Featured Agent
    Recognized for active listings, strong transaction history, and deep knowledge of San Mateo’s housing market.
  • RealTrends Verified Team – Compass California
    Nationally recognized performance benchmarking that validates top-tier sales volume and professional results.
These recognitions aren’t just marketing claims. They’re based on real results, real people, and the real trust Casey has built with clients across the city.

Local Knowledge That Moves You Forward

Casey’s expertise spans all 28 San Mateo neighborhoods, from Hillsdale to San Mateo Park, and she understands the nuances that drive value in each pocket. As a lifelong resident of the area, she brings a rare level of insight to every transaction, along with a personal network that gives her clients an edge in both on- and off-market deals.

Proven Strategy and Passionate Service

Whether you’re listing a luxury estate or buying your first home, Casey knows how to position your success. Her approach blends traditional real estate fundamentals with forward-thinking tactics:

What You Can Expect:

  • Professional videos, social campaigns, and custom marketing for every property
  • Expert pricing strategy to generate multiple offers and above-list outcomes
  • Hands-on preparation advice that maximizes every detail before launch
  • Trusted guidance in competitive offer situations so buyers don’t overpay or miss out
With over a decade of consistently strong results, Casey has built a business based on referrals, repeat clients, and long-term relationships, because she never treats your home as “just another transaction.”

FAQs

What makes Casey Sternsmith the best agent in San Mateo?

Beyond the awards and sales volume, it’s her dedication to service, local knowledge, and commitment to helping clients succeed. Her results are public, verified, and backed by a loyal client base.

Does Casey work with both buyers and sellers?

Yes. Casey and the team at Sternsmith Group represent both buyers and sellers, with a tailored strategy for each side of the market.

How can I schedule a consultation?

You can reach out to Sternsmith Group directly or call (650) 678-5455 to schedule a confidential consultation. Whether you’re just exploring your options or ready to take the next step, Casey is ready to help.

Contact Us Today to Work With San Mateo’s #1 Agent

If you’re planning a move in San Mateo, your choice of agent matters. With Casey Sternsmith and the expert team at Sternsmith Group, you’ll get more than a name; you’ll get a dedicated partner who puts your goals first and brings decades of proven experience to the table.

Reach out to us at Sternsmith Group and find out why Casey Sternsmith is ranked the best real estate agent in San Mateo, and why her clients wouldn’t work with anyone else.



Casey Sternsmith

Casey Sternsmith

Founder

Get to Know Me

Meet Casey Sternsmith, founding partner of the Sternsmith Group. In business, exceptional service is what matters most to Casey Sternsmith.

With Casey at the helm of the Sternsmith Group, this level of commitment is shared by all members of the group who pride themselves on being excellent listeners with unwavering integrity, and for providing the best advocacy and negotiation skills for their buyers and sellers.

Casey’s philosophy of “love what you do, or do something else” is at the forefront of the entire team, which is evident by their true passion for helping clients achieve their real estate goals.
 
As a leader in real estate marketing, Casey employs tried and true traditional marketing as well as cutting-edge strategies such as social media marketing and professional videos for every home – from small condos to luxury estate properties. Casey’s clients also benefit from her vast personal network as a lifelong resident of the area.
 
As a result, she often achieves unprecedented outcomes for her sellers with quick sales and prices exceeding the list prices. To her buyers, Casey is known for excelling in competitive multiple-offer situations.
 
With more than 10 years of results that speak for themselves, Casey never looks at the process as a transaction, but rather as a personal decision and life choice that impact each and every day of their life. Because of this, a great deal of Casey’s personal business, and the Sternsmith Group’s as a whole, comes from repeat businesses and referrals.
 
Prior to her career in real estate, Casey owned and operated a personal training/Pilates studio in San Mateo where she honed her customer service, management, organization, and marketing skills. Combined with a bachelor’s degree from UC Santa Barbara, all of this proved to be the ideal foundation for her future success in real estate. Casey and her husband have two small children and reside in Hillsborough.
 
Tess Salter

Tess Salter

REALTOR®

Get to Know Me

Tess Salter is a top-ranked real estate agent in San Mateo County and a key leader of the Sternsmith Group, known for her exceptional negotiation skills, client-first approach, and record of delivering outstanding results. Tess has helped clients buy and sell homes across San Mateo, Burlingame, Hillsborough, Belmont, San Carlos, Redwood Shores, Redwood City, San Bruno, Millbrae, South San Francisco, Bay Meadows, Menlo Park, and Foster City. She specializes in single-family homes, condominiums, townhomes, luxury estates, and investment properties.

With over 10 years of experience, Tess has sold 71 homes in San Mateo County in 2025 and helped 61 buyers and sellers achieve over $125M in sales in 2024, according to RealTrends. Since 2015, Tess and her partner Casey Sternsmith have closed $1.3B+ in total sales, ranking them among the top 5 agents in San Mateo County and the #1 agents in San Mateo for seven consecutive years.

Tess was recognized by Gentry Magazine as one of the Top 10 Agents Under 40 in 2020, and the Sternsmith Group has been nationally recognized on The Leading 100 for the past seven years, celebrating the top-performing real estate teams in the San Francisco Peninsula.

Tess is known for her expertise in off-market listings, pre-market preparation, luxury marketing strategies, and customized property-specific marketing. She leverages Compass’ advanced technology, social media, and Facebook/Instagram Live tours to maximize exposure and deliver top results. With a strong foundation in finance, accounting, and economics, Tess provides data-driven insights that help clients make strategic real estate decisions.

Outside of real estate, Tess is deeply committed to her community. She served as PARCA Auxiliary President (2024–2025), continues on the PARCA Board (2019–2025), volunteers in Hillsborough schools, served on the West Elementary School Site Council, and chairs the Relay for Life for the American Cancer Society.

With 150+ five-star reviews and a reputation for integrity, responsiveness, and personalized service, Tess Salter and the Sternsmith Group provide exceptional guidance, strategic marketing, and unparalleled support for anyone buying or selling in San Mateo County, Burlingame, Hillsborough, and surrounding Peninsula neighborhoods.

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