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2300 First St, #316, Livermore CA 94550
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DRE #01739552
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Co-Founder & CEO | Luxury Listing Specialist
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Anthony “Tony” Arsondi | Co-Founder & CEO | Luxury & Unique Property Listing Specialist | Agent Coach | TAG Real Estate Team, Keller Williams Tri-Valley Realty
- Focus
- Listing luxury and unique homes
- Also
- Coaching and training real estate agents
- Licensed since
- 2006
- DRE license
- #01739552
- Role
- Co-Founder & CEO, TAG Real Estate Team (The Arsondi Group)
- Co-founded TAG
- 2015, with Elana Arsondi
- Brokerage
- Keller Williams Tri-Valley Realty
- Based in
- Livermore, CA (raised in Castro Valley)
- Serves
- Livermore, the Tri-Valley and the San Francisco East Bay
About Tony Arsondi
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.
Tony’s Why
To push the limits of what’s possible, building businesses, wealth and opportunities that create true freedom for my family and allow us to experience life together without limitations. I want to live boldly, love deeply, inspire others to dream bigger, and leave a legacy of generosity, connection, and possibility.
Luxury & Unique Property Listing Specialist
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.
Leading the TAG Real Estate Team
As the co-founder, Chief Executive Officer (CEO) 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.
Tony also partners with TAG’s divorce real estate specialist, Corinne Slade, on the toughest divorce and separation home sales. When a sale involves high conflict, a complex timeline or a high-value home, Tony joins Corinne so clients have two experienced advocates keeping the process calm, fair and on track.
Agent Coaching & Training
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.
Giving Back in Livermore
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.
Beyond Real Estate: Casa De Camila in Cabo San Lucas
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.
Frequently Asked Questions About Tony Arsondi
Quick answers about selling with Tony and training with the TAG Real Estate Team.
Who is Tony Arsondi?
Anthony “Tony” Arsondi is a Livermore Realtor and the co-founder and CEO of the TAG Real Estate Team (The Arsondi Group) with Keller Williams Tri-Valley Realty, which he co-founded with his wife, Elana Arsondi, in 2015. A full-time agent since 2006, he works primarily as a listing specialist for luxury and unique homes and leads a team that RealTrends Verified ranked #1 in Livermore for 2025.
Is Tony Arsondi a luxury listing agent?
Yes. Tony works primarily as a listing specialist, with a focus on luxury and unique properties across Livermore, the Tri-Valley and the East Bay. He markets homes with cinematic video tours, drone photography, AI-enhanced campaigns, Google SEO and Zillow optimization, then uses high-level negotiation to help sellers reach record-breaking prices.
Does Tony Arsondi help with difficult divorce home sales?
Yes. Tony partners with Corinne Slade, the TAG Real Estate Team’s divorce real estate specialist, on the toughest divorce and separation sales, including high-conflict situations, complex timelines and high-value homes. Corinne leads with calm, neutral guidance, and Tony adds more than 20 years of full-time experience and high-level negotiation.
Does Tony Arsondi coach and train real estate agents?
Yes. Tony coaches and trains agents as the leader of the TAG Real Estate Team and within Keller Williams Tri-Valley Realty, where he has served on the Agent Leadership Council and as a Tech Ambassador. He teaches AI, automation and high-conversion marketing systems and mentors new agents building sustainable, high-producing careers.
What areas does Tony Arsondi serve?
Tony is based in Livermore, where he has lived since 2012, and lists and sells homes throughout the Tri-Valley and the greater San Francisco East Bay, including Pleasanton, Dublin, San Ramon and Danville. He also helps clients interested in investment property in Cabo San Lucas, Mexico.
What is Tony Arsondi’s real estate license number?
Tony Arsondi’s California Department of Real Estate (DRE) license number is 01739552. He has been a licensed Realtor since 2006 and works with Keller Williams Tri-Valley Realty as co-founder and CEO of the TAG Real Estate Team, based at 2300 First St #316 in Livermore.
How do I contact Tony Arsondi about selling a luxury or unique home?
Call or text Tony at 925.315.8006, email info@soldbytag.com, or use the message form on this page. His office is at 2300 First St #316, Livermore, CA 94550. Agents interested in coaching or joining the TAG Real Estate Team can reach him the same way.
Last updated October 2026
