Anthony “Tony” Arsondi – Top Livermore Realtor® | Tri-Valley Real Estate Expert | Founder of TAG Real Estate Team – Keller Williams Tri-Valley Realty
Anthony “Tony” Arsondi is a trusted Livermore real estate agent and one of the top-performing Realtors® in Alameda County, known for delivering exceptional results throughout the Tri-Valley and San Francisco East Bay Area. With over 20 years of full-time experience, Tony is recognized as a leading expert in luxury listings, digital marketing, and high-level negotiation for both buyers and sellers.
As the founder and team leader of The Arsondi Group (TAG Real Estate Team)—the #1 team at the #1 brokerage, Keller Williams Tri-Valley Realty—Tony leads a powerhouse group of 15+ agents who consistently rank among the top 5 teams in Livermore. His leadership is centered on accountability, innovation, and client care, making TAG one of the most respected and results-driven real estate teams in the region.
Raised in Castro Valley and a proud Livermore resident since 2012, Tony combines deep local market knowledge with cutting-edge marketing strategies that help sellers achieve record-breaking prices and help buyers win in competitive multiple-offer situations. Since becoming a Realtor® in 2006, he has been known for redefining real estate marketing with cinematic video tours, drone photography, AI-enhanced campaigns, Google SEO, Instagram + YouTube video funnels, and industry-leading Zillow optimization.
Within Keller Williams Tri-Valley Realty, Tony has served on the Agent Leadership Council and is a recognized Tech Ambassador, coaching agents on AI, automation, and high-conversion marketing systems. He is also a committed mentor who supports new agents in building sustainable, high-producing real estate careers.
Outside of real estate, Tony is deeply connected to the Livermore community. He co-founded the annual Livermore Bikes & Brews charity event in partnership with the Livermore Valley Craft Beer Foundation, raising funds to donate hundreds of new bicycles to local children through Kids Bike Lane. Tony is also a proud former youth soccer coach for his daughter and loves being involved in local events, businesses, and downtown Livermore culture.
When he’s not guiding clients or leading his team, Tony enjoys traveling the world with his family—especially to Italy and Mexico, where they recently purchased an investment property and launched a new Airbnb venture.
Casa De Camila | Cabo San Lucas Mexico
View it here: https://www.airbnb.com/l/kyxFZVcC
*Sell with us and receive a free 2 night stay at our airbnb.
- Interested in investing in Cabo San Lucas? Give us a call.
Whether you’re buying, selling, relocating, investing, or exploring the Tri-Valley lifestyle, Tony Arsondi is the trusted real estate partner known for expertise, integrity, and results.
