About Carly


Carly Seiff

The best real estate agents in the business have the distinction of being highly knowledgeable – and no one knows the San Mateo area like Carly Seiff. Outgoing and friendly, Carly is known for her intelligence, industry savvy, warmth, and drive. A proud San Mateo County native, Carly possesses a unique and intimate knowledge of the Peninsula. From San Bruno to Menlo Park, downtown areas with stunning culinary scenes to hiking destinations and pristine parks, Carly knows every street, every corner, and every neighborhood, making her an ideal choice for young couples and families looking to level up from their first home.



With an impressive lineup of awards and honors, it’s hard to imagine Carly in any other career, but she originally began in the legal field. After realizing being a lawyer wasn’t for her, Carly made the switch to real estate and found her true calling. It’s been said that when you love what you do, you never work a day in your life, and this adage rings true for Carly. A mainstay on “Best Of” lists, Carly has consistently ranked in the top 10% of San Mateo County realtors since 2013 and is in the top one percent of realtors nationwide.

Approachable, easy to work with, and fun, Carly has certainly made an impression on her clients, many of whom have become lifelong friends. This kind of close connection is one of Carly’s favorite parts of the business, and clients love her seamless mix of responsiveness, honesty, and sharp insight into the market. Carly’s style is all about transparency and demystifying the buying and selling process. While she handles every step of the sale, she also educates her clients along the way, empowering them with knowledge and confidence. This sincerity and care make Carly a friend to her clients, a top-performing agent, and her proudest career moments are those when past clients refer family members and friends to her. Respected industry-wide, Carly is also well-connected within the agent community.  


When Carly isn’t guiding clients through the buying and selling process, you can find her hiking San Mateo’s beautiful parks, sweating it out at OrangeTheory, or taking a quiet moment to meditate. Baking is also a passion for Carly, and clients rave about her banana bread – a secret family recipe.

If you’re in the Hayward Park neighborhood, you’ll often see this wife and mom of two boys out for a walk with her family and their fluffy Samoyed pup. Carly is always happy to stop and chat, so make sure to say hello – she may even offer you a slice of that famous banana bread.

Track Record at a Glance

Top 10%

Verified Agent


Real Estate Sold in the Bay Area


Average Time to Sell


Award Winner


Off Market Sales


Above Listing Price



Hunter H.

Carly was an extremely patient and wise educator. Her knowledge of the local neighborhoods is second to none, and she was always able to give us excellent lists of pros and cons for each area we explored. Carly has lived here h...
Read More



As first-time home buyers, and in an extremely competitive market, Carly helped us buy a house after making only one offer! Her understanding of our wants/needs and the local market allowed us to narrow in on the best house for...
Read More


Trudy H.

Carly was so great helping us find a home. Not only did she find a place to suit our needs, but she was also able to help us close below the asking price which is unheard of in this market! She had so much patience with us as w...
Read More

Carly Seiff is a proud 6 year award winner of the Five Star Professional designation. Five Star Professional conducts market research to define and promote professional excellence. Five Star Real Estate Agents are selected based on consumer evaluations and production and business information. Using objective research methodology, the Five Star award recognizes outstanding professionals who have shown a dedication to the customers and professional excellence!




After 10 years in Real Estate, Carly made the move and joined Compass, a technology-driven real estate company. Fusing the best of a brokerage and startup, it will allows her to elevate business and provide the best service possible. Compass empowers agents through innovation, culture, marketing, and community. With dedicated product and engineering teams, Compass has developed a proprietary suite of tools to communicate with clients, price properties, market listings, and reach buyers more efficiently and effectively than ever. This partnership offers her clients a superior level of service and opportunity; working with Carly is always a seamless experience.



Top Agent Network (TAN) is the only online network built exclusively for verified top agents.

TAN provides an easy way for me to connect and exchange local market intelligence with a network of the most experienced local real estate agents . When top agents work together, it makes selling or buying a home a much smoother experience.



Find your dream home

Home Search

Work With Carly

Through innovative technology, unique buyer and seller programs, a modern approach to design, and a nationwide network, working with Carly Seiff at Compass is always a seamless experience.