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Anthony (Tony) Arsondi
TAG Real Estate Team | Keller Williams Tri-Valley RealtyLead of TAG Real Estate Team | Keller Williams Tri-Valley
5.0158 reviews
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TeamSales numbers represent all team members
132
Sales last 12 months
676
Total sales
$50K-$6.2M
Price range
$1M
Average price

Featured sales

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  • $1,535,000
    4 bd3 ba2,125 sqft Castro Valley, CA
    4 bd3 ba2,125 sqft
    Castro Valley, CA
    Sold 21 days ago
    Seller
    19475 Mount Jasper Dr, Castro Valley, CA 94552
  • $1,680,000
    5 bd3 ba2,475 sqft Walnut Creek, CA
    5 bd3 ba2,475 sqft
    Walnut Creek, CA
    Sold 26 days ago
    Seller
    3629 Perada Dr, Walnut Creek, CA 94598
  • $1,965,000
    4 bd4 ba2,932 sqft San Ramon, CA
    4 bd4 ba2,932 sqft
    San Ramon, CA
    Sold 2 months ago
    Seller
    3567 Cinnamon Ridge Rd, San Ramon, CA 94582
  • $1,015,000
    4 bd3 ba2,660 sqft Brentwood, CA
    4 bd3 ba2,660 sqft
    Brentwood, CA
    Sold 4 months ago
    Seller
    609 Coconut Ct, Brentwood, CA 94513
  • $1,745,000
    4 bd2 ba2,128 sqft Livermore, CA
    4 bd2 ba2,128 sqft
    Livermore, CA
    Sold 8 months ago
    Seller
    2119 Farmington Pl, Livermore, CA 94550
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Meet TAG Real Estate Team | Keller Williams Tri-Valley

14 members

Get to know TAG Real Estate Team | Keller Williams Tri-Valley

REALTOR | Co-Founder

Anthony “Tony” Arsondi is a top Livermore Realtor® and the founder of the TAG Real Estate Team at Keller Williams Tri-Valley Realty — the #1 team at the #1 brokerage in the Tri-Valley. With 20+ years of full-time experience, Tony is known for expert negotiation, innovative marketing, and deep local knowledge across Livermore, Pleasanton, Dublin, and the greater East Bay.

Raised in Castro Valley and a Livermore resident since 2012, Tony leads a h...

Specialties
Buyer's AgentListing AgentStagingFirst Time HomebuyersInvestment PropertiesMilitary/VeteransLuxury HomesNew ConstructionSenior CommunitiesLot/Land
20 Years of experience
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Team sales and listings (681)

This map and property list shows the most recent 100 sales and 100 listings

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Sold (676)

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For sale (5)

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Team reviews (158)

Reviews represent all team members.

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  • 5.0
    • 10/22/2026
    • • bluejrental

    Bought a Single Family home in 2026 in Pleasanton, CA.

    Review for: Jennifer Sanchez
    If you want a real estate agent who will fiercely advocate for you while keeping you completely at ease, hire Jenn. She recently helped my wife and me buy our dream home ...
    If you want a real estate agent who will fiercely advocate for you while keeping you completely at ease, hire Jenn. She recently h...
    5.0
    • 10/15/2026
    • • Seung15

    Bought a Single Family home in 2026 in Livermore, CA.

    Review for: Caitlyn Leca
    Working with Caitlyn was an absolute dream! As first-time homebuyers, we honestly had no idea where to even begin and had so many questions. Caitlyn walked us through eve...
    Working with Caitlyn was an absolute dream! As first-time homebuyers, we honestly had no idea where to even begin and had so many ...
  • 1.0
    • 10/12/2026
    • • aaron willey

    Bought a home in 2024.

    Review for: Jennifer Rippy
    Jennifer rushed us through the house inspections. We went through the listing agent and they forced their same team buyers agent on us. There was really no sense of buyer...
    Jennifer rushed us through the house inspections. We went through the listing agent and they forced their same team buyers agent o...
    5.0
    • 10/11/2026
    • • Swarupa P C

    Bought and sold a Single Family home in 2026 in San ramon, CA.

    Review for: Aqsa Shakil
    Aqsa helped us buy our forever home in Diablo last year and sell our San Ramon home this year, and we couldn’t be more grateful for her care and dedication throughout bot...
    Aqsa helped us buy our forever home in Diablo last year and sell our San Ramon home this year, and we couldn’t be more grateful fo...
  • 5.0
    • 9/28/2026
    • • morganlaree

    Bought a Single Family home in 2026 in Livermore, CA.

    Review for: Sara Larsen
    Sara is a phenomenal realtor. She came with us to so many houses and never tired of our long search. She is friendly, calm, and really knowledgeable. We often brought our...
    Sara is a phenomenal realtor. She came with us to so many houses and never tired of our long search. She is friendly, calm, and re...
    5.0
    • 9/18/2026
    • • Kevin Goldberg

    Bought a Single Family home in 2026 in Woodminster, Oakland, CA.

    Review for: Aqsa Shakil
    Aqsa is a rockstar!! From the get-go she was patient, charming, and knowledgeable about the market and the buying process. She worked with us diligently through the entir...
    Aqsa is a rockstar!! From the get-go she was patient, charming, and knowledgeable about the market and the buying process. She wor...
  • 5.0
    • 9/4/2026
    • • Ivan M.

    Bought a Single Family home in 2026 in Manteca, CA.

    Review for: Jesus " Chuy" Gomez
    Chuy was the best! Took his time to explain and support in every step of the process. Was consistent since day 1 bringing his energy and expertise. There's a lot to buyin...
    Chuy was the best! Took his time to explain and support in every step of the process. Was consistent since day 1 bringing his ener...
    5.0
    • 9/3/2026
    • • t Ty

    Sold a Single Family home in 2026 in Castro valley, CA.

    Review for: Ashley Berriatua
    The stress of selling your home is overwhelming. Fortunately for us we found Ashley who gave us the best advice from the beginning to the end. Moreover, she coordinated w...
    The stress of selling your home is overwhelming. Fortunately for us we found Ashley who gave us the best advice from the beginning...
  • 5.0
    • 8/25/2026
    • • lauramajewski66

    Sold a Single Family home in 2026 in Livermore, CA.

    Review for: Jennifer Sanchez
    Jennifer was our agent while selling our house in Livermore. Her and her team made the whole process easy and smooth from start to finish. The marketing for our house i f...
    Jennifer was our agent while selling our house in Livermore. Her and her team made the whole process easy and smooth from start to...
    5.0
    • 8/12/2026
    • • Cole Laughton

    Bought a Single Family home in 2026 in Danville, CA.

    Review for: Caitlyn Leca
    Caitlyn was wonderful to work with. She was very patient, knowledgeable, and hands-on. She allowed us to get accustomed to the local market and managed our expectations...
    Caitlyn was wonderful to work with. She was very patient, knowledgeable, and hands-on. She allowed us to get accustomed to the l...
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TEAM

Anthony (Tony) Arsondi

TAG Real Estate Team | Keller Williams Tri-Valley RealtyLead of TAG Real Estate Team | Keller Williams Tri-Valley
5.0158 team reviews
132sales last 12 months
676total sales
$50K-$6.2Mprice range
$1Maverage price
20years of experience
(925) 315-8006
(925) 315-8006
info@soldbytag.com
2300 First Street #316
Livermore, CA, 94550