
Get to know Ardila Costello Team (ACT)
Luxury Homes & Developments
David has always had a passion for real estate and selling luxury homes. He attributes his sales success to providing exceptional personal attention to his clients – which they expect and deserve.
David Costello is a 4th generation San Francisco native who grew up in an 'insurance family', the esteemed Costello Insurance Group. David spent most of his professional career as an executive in the Property & Casualty insurance business, where he crea...
Team listings & sales (265)
For Sale (9)
Address | Bed/Bath | Listing price |
---|---|---|
![]() 118 Ortega St San Francisco, CA 94122
| 4 Bed, 3 Bath | $1,698,000 |
![]() 5340 Barrett Ave El Cerrito, CA 94530
| 3 Bed, 2 Bath | $1,489,000 |
![]() 193 William Manly St UNIT 4 San Jose, CA 95136
| 2 Bed, 2 Bath | $1,099,000 |
![]() 706 Mission St #16B San Francisco, CA 94103
| 3 Bed, 4 Bath | $4,200,000 |
![]() 3000 Mount Veeder Rd Napa, CA 94558
| 8 Bed, 9 Bath | $14,900,000 |
Sold (256)
Address | Sold date | Closing price | Represented | Flag Sale |
---|---|---|---|---|
9/5/2025 | $3,250,000 | Seller | ||
9/5/2025 | $1,095,000 | Buyer | ||
8/22/2025 | $2,812,000 | Seller | ||
8/4/2025 | $1,635,000 | Buyer | ||
7/22/2025 | $2,950,000 | Seller |
Team reviews (32)
Write a review- Highly likely to recommend||5.05.0
11/13/2022 - zuser20190614100720545
Bought a Single Family home in 2021 in Willow glen, San jose, CA.
Review for Member: Hilary JordanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsWe worked with Hilary when we were looking to buy our first house in the Bay Area, and she made the entire experience so easy and enjoyable! We can’t thank her enough for her patience, instinct, professionalism and contagious energy while we looked f... - Highly likely to recommend||5.05.0
11/13/2022 - zuser20190614100720545
Bought a Single Family home in 2022 in Willow glen, San jose, CA.
Review for Former Member: Edwina TynanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsEdwina was such a pleasure to work with - I would highly recommend her! She was both an advisor and a friend, and such a great partner to bounce ideas off. I really appreciated that she always made herself available for our many questions at all time... - Highly likely to recommend||5.05.0
7/19/2022 - helenmeima
Bought a Multiple Occupancy home in 2022 in Cathedral hill, San francisco, CA.
Review for Former Member: Gina BlancarteLocal knowledgeProcess expertiseResponsivenessNegotiation skillsGina provided superb insights, along with exceptional management of the home buying journey, for us. Her patience, understanding and being responsive to our many questions are stellar qualities when dealing with today's fast paced real estate market.... - Highly likely to recommend||5.05.0
3/7/2022 - Luisa Tully
Bought a Condo home in 2022 in Pacific heights, San francisco, CA.
Review for Former Member: Gina BlancarteLocal knowledgeProcess expertiseResponsivenessNegotiation skillsMy husband and I worked with Gina to find our first home in San Francisco. She was personable, responsive, patient, extremely knowledgeable, and inspired confidence that we were in good hands. We were very particular about our wants and needs and G... - Highly likely to recommend||5.05.0
8/31/2021 - Katherine Chen
Bought a Apartment home in 2021 in Mission, San francisco, CA.
Review for Former Member: Edwina TynanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsI am a first time home buyer and Edwina was masterful in helping me focus my attention on the neighborhoods and characteristics that really mattered to me and instructing me on what to look out for as we got more serious on certain properties. She wa...